2,6-Dihydroxybenzoic Acid
Product Profile
Apply for Sample| Names | |
|---|---|
| Preferred IUPAC name | 2,6-dihydroxybenzoic acid |
| Other names | 2,6-Hydroxybenzoic acid γ-Resorcylic acid γ-Hydroxyresorcinolic acid |
| Pronunciation | /tuː sɪks daɪˌhaɪˈdrɒksi benˈzoʊɪk ˈæsɪd/ |
| Identifiers | |
| CAS Number | 303-07-0 |
| Beilstein Reference | 120965 |
| ChEBI | CHEBI:30779 |
| ChEMBL | CHEMBL1359 |
| ChemSpider | 13856305 |
| DrugBank | DB04282 |
| ECHA InfoCard | DTXCID9020837 |
| EC Number | 206-705-7 |
| Gmelin Reference | 4972 |
| KEGG | C01848 |
| MeSH | D003657 |
| PubChem CID | 39 |
| RTECS number | DG3325000 |
| UNII | O80L9618T8 |
| UN number | UN2811 |
| CompTox Dashboard (EPA) | DV7N5N57U5 |
| Properties | |
| Chemical formula | C7H6O4 |
| Molar mass | 154.12 g/mol |
| Appearance | White to off-white crystalline powder |
| Odor | Odorless |
| Density | 1.54 g/cm³ |
| Solubility in water | Slightly soluble |
| log P | 1.33 |
| Vapor pressure | 2.7 x 10^-6 mmHg (25°C) |
| Acidity (pKa) | 2.28 |
| Basicity (pKb) | 1.64 |
| Magnetic susceptibility (χ) | -47.0·10^-6 cm³/mol |
| Refractive index (nD) | 1.649 |
| Viscosity | 1.34E1 mPa·s (80°C) |
| Dipole moment | 1.69 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 144.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -551.8 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1345 kJ·mol⁻¹ |
| Pharmacology | |
| ATC code | A01AB04 |
| Hazards | |
| Main hazards | Harmful if swallowed. Causes serious eye irritation. Causes skin irritation. |
| GHS labelling | GHS07, GHS Hazard Statements: H315, H319 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H302, H315, H319, H335 |
| Precautionary statements | P261, P280, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 2,1,0 |
| Flash point | 230 °C |
| Lethal dose or concentration | LD50 oral rat 710 mg/kg |
| LD50 (median dose) | LD50 (median dose): 500 mg/kg (rat, oral) |
| NIOSH | SW3675000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 50 mg/m³ |
| IDLH (Immediate danger) | Not listed |
| Related compounds | |
| Related compounds | Salicylic acid Gentisic acid Protocatechuic acid Gallic acid Vanillic acid |
Chemical ID: CAS Formula HS Code Database
Product Identification
| Property | Manufacturer Commentary |
|---|---|
| Product Name | 2,6-Dihydroxybenzoic Acid |
| IUPAC Name | 2,6-Dihydroxybenzoic acid |
| Chemical Formula | C7H6O4 |
| Synonyms & Trade Names | γ-Resorcylic acid, Gentisic acid (incorrectly, as true gentisic acid is 2,5-dihydroxybenzoic acid); ortho-Resorcylic acid |
| HS Code & Customs Classification | Typically falls under HS code 2918.29 for aromatic carboxylic acids with additional hydroxy groups. Precise HS code allocation may shift based on country-specific customs practices. Customs documentation should specify the precise CAS and structural formula to avoid delays. |
Industrial Perspective on Product Identification
In manufacturing, clear distinction between 2,6-dihydroxybenzoic acid and related isomers forms the basis for correct product segregation, especially in multi-product synthesis facilities. Synonym confusion—especially with gentisic acid—demands precise analytical confirmation at batch release to meet contract specifications. Trade names sometimes reflect regional legacy usage; these can vary according to application sector and distributor norm.
HS code determination impacts tariffs, shipping costs, and even market entry eligibility. Customs authorities depend on supporting paperwork stating the correct IUPAC, CAS number, and full structural disclosure. Misclassification may result in regulatory hold-ups, especially in sensitive sectors such as pharmaceuticals or agrotechnical intermediates. Criticality of correct formula and nomenclature extends into documentation linked directly to raw material traceability, downstream batch genealogy, and recall traceability.
Raw material sourcing focuses on benzoic acid derivatives meeting specifications that minimize positional isomer cross-contamination. Synthetic route—such as hydroxy group introduction via directed ortho-lithiation or specific oxidative methods—determines both impurity profile and downstream purification demands. Each route influences the scale and cost structure, along with potential trace contaminant carryover.
Physical and chemical testing required for customs clearance regularly includes spectral confirmation. Quantitative measures are grade and purpose specific: industrial users commonly request batch sample confirmation by NMR, HPLC, or UV methods reflecting end-use. Reprocessing or advanced purification becomes necessary if analytical criteria deviate, particularly if stricter export or pharmaceutical grade is demanded.
The product identification process serves as a control point in the production chain, linking regulatory compliance with internal quality protocols and customer-specific documentation. Technical accuracy in product naming and classification supports efficient international supply, limits disruptions at borders, and underpins sustainable supplier relationships by ensuring transparency and repeatability in specification communication.
Technical Properties, Manufacturing Process & Safety Guidelines for 2,6-Dihydroxybenzoic Acid
Physical & Chemical Properties
Physical State & Appearance
2,6-Dihydroxybenzoic acid is usually isolated as a crystalline solid. Commercial production yields a powder or crystalline aggregate form. Color may shift between white and pale yellow, influenced by trace impurity levels, process history, and storage conditions. Odor is minimal and not considered a distinguishing characteristic in finished product lots. Melting point varies depending on purity and residual moisture content and can be used as a quality checkpoint. Boiling point is of less relevance industrially, as decomposition typically intervenes before boiling under atmospheric conditions. Flash point data is not central to standard handling practices since the compound is solid at ambient temperature. Density is evaluated when relevant for dissolution and feeding in automated systems; typical values depend on the production process and final particle size distribution.
Chemical Stability & Reactivity
Production batches remain chemically stable under dry, ambient warehouse environments. Exposure to strong oxidizers or prolonged high humidity can prompt color changes and potential degradation, especially at elevated temperatures or direct sunlight. Reactivity becomes critical when considering compatibility with formulation solvents or downstream chemical transformations—monitoring for hydrolysis and oxidative discoloration helps maintain batch consistency.
Solubility & Solution Preparation
Solubility shows significant grade- and application-specific variation. Analytical grades may require filtered, particle-free dissolution in water or alcohol; technical grades may exhibit partial insolubility depending on formulation needs and presence of insoluble processing residues. End users often specify pH and solvent requirements for their processes, so solubility profiles are tailored and reported per customer application. Solution preparation quality impacts shelf-life of working solutions, with turbidity and precipitation serving as practical indicators of solubility incompatibility or contamination.
Technical Specifications & Quality Parameters
Specification Table by Grade
Product grading is customer and application defined. Common grades include analytical, high-purity, and technical, with differing permissible impurity levels and physical property ranges. Detailed specifications can be defined according to the product grade.
Impurity Profile & Limits
Process-generated impurities typically include unreacted precursors, minor dihydroxybenzoic acid positional isomers, and trace metal residues from catalyst systems. Impurity profile is finalized by actual synthesis route, batch campaign history, and purification efficiency. Impurity control draws from raw material data and in-process monitoring; grade thresholds reflect both regulatory requirements and customer specifications, especially for sensitive pharmaceutical or electronics applications.
Test Methods & Standards
Standard QC release uses HPLC or GC for organic content and impurity identity, along with titration for acid content when purity must be tightly certified. Particle size, bulk density, and moisture are monitored for formulation integrity, with test standards aligned to internal SOPs or specific customer-defined protocols. The final release standard is subject to internal quality control criteria and customer requirements.
Preparation Methods & Manufacturing Process
Raw Materials & Sourcing
Selection of starting benzoic acid or equivalent aromatic sources follows scrutiny for trace metal, halide, and organic contaminant content. Sourcing is regionally optimized for chemical equivalence and supply continuity, acknowledging that varying raw material lots can drive differences in downstream impurity burden.
Synthesis Route & Reaction Mechanism
Multiple synthesis routes exist; the most common relies on controlled carboxylation or hydroxylation of benzene derivatives, with strong dependence on catalyst system and reaction parameters for isomeric selectivity. Route selection prioritizes availability and purity of feedstock, yield stability over multi-batch operations, and predictable side product management.
Process Control & Purification
Key checkpoints include temperature and pH tracking, agitation rates, and feed timings. Purification may involve recrystallization, filtration, or liquid-liquid extraction, adapted to impurity burden and product grade. Moisture and volatile organics are stripped to avoid downstream storage issues or end use incompatibility.
Quality Control & Batch Release
In-process monitoring tracks reaction progress, color, and conversion using rapid analytical screens. Each batch undergoes final QC on critical attributes—purity, moisture, bulk contaminants—before packaging. Consistency across campaigns is managed via process analytical technology and trending of batch data.
Chemical Reactions & Modification Potential
Typical Reactions
2,6-Dihydroxybenzoic acid readily undergoes esterification, amidation, and metal complexation, driven by the ortho-dihydroxy positional arrangement. Downstream use includes chelation for metal extraction, pharmaceutical synthesis intermediates, and specialized resin feedstocks.
Reaction Conditions (Catalyst, Temperature, Solvent)
Reaction conditions strongly depend on target derivative and final application. Acid or base catalysis, controlled temperature regimes, and solvent selection are adjusted to optimize conversion, minimize by-product formation, and enable efficient downstream purification. Water or polar organic solvents are commonly used for solution-based modifications, with temperature tightly regulated to preserve isomeric integrity.
Derivatives & Downstream Products
Derivatization forms esters, amides, and metal chelates extensively used in specialty chemicals and life science intermediates. Suitability for each conversion often depends on initial product purity, trace metal content, and residual moisture, reinforcing the need for grade-specified production.
Storage & Shelf Life
Storage Conditions (Temperature, Humidity, Light Avoidance, Gas Protection)
Long-term storage integrity depends on cool, dry warehouse environments. Protection from fluctuating humidity and direct light preserves color and analytical purity. In vacuum packaging or inert gas protection may be recommended for grades where oxidative discoloration impacts downstream use or regulatory compliance.
Container Compatibility
Compatibility studies favor HDPE drums or glass-lined vessels for bulk storage and shipment, reducing risk of contamination and static charge build-up. Metal containers are avoided where trace contamination or acid-metal interaction could compromise product grade.
Shelf Life & Degradation Signs
Shelf life is assessed by regular retesting of retained samples for purity, color, and functional group integrity. Oxidative yellowing, loss of crystalline property, or sticking/caking point to degradation, usually triggered by improper storage humidity or temperature excursions.
Safety & Toxicity Profile
GHS Classification
GHS classification and safety labeling depend on product purity and batch impurity profile; standard practice involves regular review of batch-relevant GHS statements to ensure downstream compliance. Labeling reflects the current regulatory database and any recent toxicological findings for related compounds.
Hazard & Precautionary Statements
Hazard statements are crafted from both current GHS guidance and internal toxicology review. Handling instructions note the potential for skin and eye irritation, with emphasis on dust control and personal protective equipment selection for bulk processing.
Toxicity Data, Exposure Limits & Handling
Available acute and chronic toxicity data suggest low systemic toxicity at occupational exposure levels, though direct inhalation or ingestion is always avoided. Formal exposure limits may not be universally defined, so standard good manufacturing practice and engineering controls apply throughout production, packaging, and formulation. Respiratory and dermal protection selection depends on dust generation risk and specific user-site hygiene protocols.
2,6-Dihydroxybenzoic Acid Supply Capacity, Commercial Terms & 2026 Price Trend Forecast
Supply Capacity & Commercial Terms
Production Capacity & Availability
Our manufacturing line for 2,6-Dihydroxybenzoic Acid operates on batch-wise synthesis, supporting both kilo-lab requests and multi-metric ton scale campaigns. Actual throughput depends on campaign setup, grade, and order combination. For pharmaceutical and electronic grades, scale is often constrained by purification infrastructure, batch segregation, and cleaning validation schedules. High-volume industrial or technical-grade orders run more flexibly but are limited by precursor raw material availability and in-process tankage. Demand spikes from downstream sectors impact line allocations; recurring contract customers are given allocation priority during tightening cycles.
Lead Time & Minimum Order Quantity (MOQ)
Standard lead time from order confirmation runs three to five weeks ex-works, depending on specific packaging, certification, and documentation requests. Pharmaceutical and high-purity grades can extend to six to eight weeks due to analytical turnaround and stability holding. For new customers or developed formulations, pre-shipment sampling adds another week. MOQ is linked to grade and lot-traceability requirements: research and specialty grades start as low as 1 kg per batch, industrial and higher-volume offerings ship from pallet-scale upwards. Ongoing blanket orders can optimize changeover and reduce delays.
Packaging Options
Packaging suits both downstream processing and safety requirements. Standard units use fiber drums with composite inner bags for industrial grades. Pharmaceutical and electronic grades employ double or triple-layer high-density polyethylene linings, tamper-evident seals, or inert atmosphere filling. Intermediate bulk containers are available for continuous processing customers with documented handling infrastructure. All lots ship with recorded packaging traceability and compliance certificates based on customer specification.
Shipping & Payment Terms
Freight mode selection hinges on regulatory classification, packaging integrity, and destination controls. For regulated markets, we provide full logistical documentation, including material safety information, certificate of analysis, and export declarations. Payment terms are subject to credit evaluation, customer-history, and contract size, typically net 30 to 60 days for established partners; pre-payment may apply for specialty and FTD contracts. Insurance and customs arrangements can be coordinated upon request.
Pricing Structure & Influencing Factors
Interpretation of Raw Material Cost Composition
Raw material cost forms the largest contribution to 2,6-Dihydroxybenzoic Acid pricing. The main precursor, salicylic acid, and its derivatives carry volatility linked to phenol supply, which is heavily dependent on petrochemical feedstock and refinery operations. Process route selection—oxidative versus hydrolytic—affects both unit cost and allowable impurity profiles. Utilities, acid scavengers, and solvent recycle rates cause additional cost sensitivity whenever energy pricing rises or effluent controls tighten.
Fluctuation Causes in Raw Material Price
Shifts in the global phenol-acetone market—including feedstock disruption, plant outages, or regulatory constraints—frequently trigger noticeable price escalations. Port blockages and tariff adjustments in export-driven supply chains have previously led to spot price spikes, especially for upstream aromatics. Periodic regulatory reviews in China and India, which comprise a large segment of the base chemical industry, also raise costs during environmental compliance overhauls.
Product Price Difference Explanation: Influence of Grade, Purity, and Packaging Certification
End-use sector and certification type heavily impact product pricing. Pharmaceutical-grade batches require tighter impurity controls, validated analytical runs, and GMP-compliant documentation. Electronic grades demand ultra-trace purity and stringent metal ion testing. These incremental steps drive up cost per kilo relative to technical or general industrial batches. Packaging certified for cleanroom introduction, inert atmosphere, or long-term stability commands a premium due to specialized materials and handling. Batch release under pharmacopeial monographs or dedicated customer protocols influences both batch size economy and risk-premium in the pricing formula.
Global Market Analysis & Price Trends
Global Supply & Demand Overview
Demand for 2,6-Dihydroxybenzoic Acid continues to grow in API synthesis, electronic materials, and dye industries. Supply resilience depends on reliable aromatic precursor streams from both Western and Asian petrochemical complexes. Downstream pharmaceutical regulatory approval cycles, particularly in the US and EU, have a direct effect on inventory holding patterns and long-term purchase contracts. Seasonal demand surges occur in agrochemical and specialty pigment applications, impacting short-term availability.
Key Economies Analysis
| Region | Market Dynamics |
|---|---|
| US | Procurement strict on FDA, DMF, and USP compliance. Offshore supply faces anti-dumping and Section 301 tariff reviews. Inventory hedging is common ahead of regulatory cycles. |
| EU | REACH registration status and ECHA notification drive supplier selection. Environmental audit cycles cause periodic production slowdowns. Local supply is restricted; imports are routine for non-REACH-exempted batches. |
| JP | End-market for electronics applications, purity and trace element minimums dictate specification. Local manufacturing favors contract-customized supply, with slow off-take growth. |
| IN | Major intermediate export platform, production resilience challenged by domestic environmental controls and water-management constraints. Price structure reacts quickly to rupee-dollar volatility. |
| CN | World’s largest single-site production region, cost structure underpins global spot-market baseline. Frequent regulatory crackdowns on chemical parks impact forward deliveries. |
2026 Price Trend Forecast
As downstream demand in specialty and regulated markets grows, coupled with China consolidating smaller plants and EU tightening import scrutiny, moderate upward pressure on industrial-grade pricing is expected through 2026. Pharma and specialty electronic grades will see sharper cost differentiation, reflecting ongoing compliance and purification needs. Raw material volatility—especially tied to energy, environmental capex in Asia, and logistics frictions—remains a persistent driver for spot deals and annual contract renegotiations. Inventory policy shifts among key buyers will amplify periodic pricing swings rather than dampen them. Forecasts should reference both ICIS and Platts chemical pricing bulletins, corroborated with proprietary supplier shipment and contract settlement data.
Data Sources & Methodology
Market data derives from supplier-distributed shipment tallies, chemical consultancies, and trading platform metrics combined with internal finished goods release logs. Regional pricing tracked via contract negotiations, spot market trades, and relevant customs disclosure records. Where discrepancies exist, in-house cost benchmarking and customer trend feedback reconcile market analytical variances. Data is aligned to calendar quarters to match logistics and financial reporting cycles.
Industry News & Regulatory Updates
Recent Market Developments
Several Asian chemical clusters are tightening local permit and emission criteria, leading to scheduled and unscheduled plant suspensions. EU markets responded by shifting more of their steady-state requirements to contract supply, increasing minimum purchase commitments. US-based downstream users increased spot procurement as FDA review cycles crowded historic inventories, especially for GMP-lot shipments.
Regulatory Compliance Updates
Recent REACH compliance audits resulted in new reporting steps for 2,6-Dihydroxybenzoic Acid and its intermediate streams. GMP documentation for pharma grade now aligns with stricter EMA expectations, resulting in elongated release cycles for first-time customers. In China, environmental certification now requires quarterly waste-water and air emission testing logs to maintain active plant status. In Japan, the METI updated notification reporting, particularly for electronic grade ingredients entering specialty substrate lines.
Supplier Response & Mitigation
Our plant has adjusted batch scheduling and purification validation frequency to align with new regulatory expectations. Multi-source procurement for key upstream inputs minimizes feedstock interruption risk. Internal traceability extends to every shipped batch, ensuring rapid documentation flow for downstream audit needs. Where permissible, advance contracting gives customers price visibility, smoothing out raw material volatility exposure. Review of packaging and stability validation ongoing for high-purity export lots to meet region and customer specific compliance triggers.
Application Fields & Grade Selection Guide for 2,6-Dihydroxybenzoic Acid
Application Fields & Grade Matching Guide
Industry Applications
2,6-Dihydroxybenzoic Acid, produced in batch or continuous processes, finds demand across key technical sectors. In pharmaceuticals, the compound’s purity and trace metal levels dictate its compatibility for active pharmaceutical ingredient (API) synthesis and research use. In dye and pigment manufacturing, requirements shift toward color consistency and freedom from color-impacting impurities. The polymer and coating sectors look for consistent melting and reactivity profiles, alongside minimized contaminant carryover. Analytical laboratories assess its suitability as a matrix material in MALDI-TOF MS or as an intermediate in custom synthesis, where batch traceability and consistent spectral background are mandatory for reproducibility.
Grade-to-Application Mapping
| Application | Recommended Grade | Key Quality Parameters |
|---|---|---|
| Pharmaceutical Synthesis & Intermediates | Pharma / High-Purity Grade | Purity (by HPLC), Residual Solvents, Trace Metals, Endotoxin Levels |
| Dyes & Pigments | Technical / Industrial Grade | Color Index, Heavy Metals (Pb, As, Cd), Particle Size (if formulated) |
| Polymers & Resins | Industrial Grade | Assay by GC or titration, Ash Content, Thermal Stability |
| Analytical/MALDI-TOF Matrix | Analytical / Ultra-Pure Grade | UV Absorbance Profile, Spectral Purity, Volatile Residues |
Key Parameters by Application
For bulk pharmacopeial and regulated applications, the main focus falls on organic purity, controlled residual solvents as per ICH Q3C guidelines, and trace element profiles matching pharmacopeia or regulatory filings. In pigment and dye synthesis, color development consistency and controlled impurity impact on lightfastness are more relevant than trace solvent residues. For analytical labs, spectral background and lot-dependent variabilities are risk points, so batches undergo validation for UV/Vis absorbance and absence of background ions in mass spectrometry. Technical grades in polymers or bulk processing emphasize overall assay, with control limits set according to final product performance feedback from downstream formulation stages.
How to Select the Right Grade
Step 1: Define Application
Start from end-use requirements. Applications tied to regulated industries—such as pharmaceutical actives or food contact polymers—trigger higher control on both purity and impurity profile from the outset in raw material selection and final release.
Step 2: Identify Regulatory Requirements
Review the legal and market requirements for the target country or customer sector. For pharmaceuticals, any supply must address specific pharmacopeia references per region (USP, EP, JP). Pigments and additives for export may involve REACH, RoHS, or similar directives. Here, production and QC teams reference filings and safety assessments for grade assignment.
Step 3: Evaluate Purity Needs
Pilot project or lab scale-up phases often inform the minimum and optimal purity required. Higher purity grades involve greater cost and control—increased solvent recovery, narrower fraction cuts during purification, and extended process analytical technology (PAT) deployment. Impurity source identification in the route informs ongoing batch-to-batch reviews, especially for sensitive end uses.
Step 4: Consider Volume & Budget
Specify projected volumes. Technical and industrial grades are usually available for bulk procurement, with batch sizes tailored to warehouse or just-in-time schedules, often at lower cost per kg. Higher grade, low-volume supply focuses more on small batches, secure lot traceability, and priority shelf life assignment in finished goods.
Step 5: Request Sample for Validation
Quality evaluation at the application site grounds the technical approval process. QC, R&D, and production teams benefit from cross-batch reference checks, such as NMR, HPLC, or MS MS, not just nominal certificate values. Project managers may consult with the supplier’s technical service team to clarify analytical discrepancies or release criteria. Sustainable procurement often includes periodic supplier audits and laboratory round-robin tests.
Manufacturing & Quality Control Considerations
Raw Material Selection Logic
Upstream aromatic acid feedstocks undergo vetting for trace impurities—particularly halogens and polyaromatics—based on final product specifications. Inputs with variable impurity loads increase downstream purification burden and batch screening frequency.
Process Route Selection Rationale
Route selection balances product grade, expected impurity profile, and sustainability criteria. Aqueous oxidation and selective crystallization routes minimize thermal decomposition risks for high purity but present increased wastewater management challenges. Solvent-based processes can adjust impurity partitioning, but solvent recovery and residue control drive production costs and release specification design.
Key Control Points & Impurity Generation
Process control certificates monitor critical variables: process pH, oxidation temperature, and reaction quenching rates. Impurities mainly originate from raw feedstock or side reactions catalyzed by trace metals or thermal excursions. Regular in-process and finished product impurity profiling supports continuous quality improvement targets.
Purification Strategy
For instrument, pharmaceutical, and specialty grades, refinement steps include multistage recrystallization, activated carbon treatment, and precise solvent switching. Industrial grades pass through filtration, partial distillation, or crystallization sufficient to meet broad downstream processing criteria. Purification efficacy is batch-checked via spot spectroscopic or chromatographic analysis.
Batch Consistency Management
Batch consistency stems from repeatable raw input logistics, narrow in-process analytics, and dedicated equipment. Large-volume or continuous production lines introduce added risk for cross-contamination or carryover, so campaign-specific cleaning verifies readiness between product switches.
Release Criteria
Final product undergoes certificate-based release using in-house reference methods and third-party confirmation for key customers. For pharma and research grades, lot traceability, stability studies, and impurity trend analysis define whether a batch meets release criteria. Full batch documentation and reference retention allow retrospective investigations and support for regulatory inspections as needed. The final standard always aligns with both internal QC and end user requirements.
Trust & Compliance: Quality Certifications & Procurement Support for 2,6-Dihydroxybenzoic Acid
Quality Compliance & Certifications
Quality Management Certifications
For 2,6-Dihydroxybenzoic Acid, the entire production sequence undergoes control under certified quality management systems. Management frameworks such as ISO 9001 are regularly audited and implemented, tracing not just finished lots but also key raw material suppliers, with supplier approval and reapproval protocols in place to control input variability. The traceability of all intermediates through batch tracking helps sustain lot integrity and ensures quality issues are isolated and contained swiftly when deviations are detected at release or downstream.
Product-Specific Certifications
Documented compliance to relevant monographs, such as those from recognized pharmacopoeias or technical standards, depends on grade and customer requirement. Some production routes can yield food or pharmaceutical grades, which means specific certifications—such as GMP or DMF support documents—are available only for those lots managed through the stricter compliance channels. Industrial grades do not receive the same level of certification, favoring efficiency over extended documentation, yet all batches undergo the minimum release testing set by agreed customer contracts or application profiles.
Documentation & Reports
Every batch ships with a detailed Certificate of Analysis reflecting actual test results for key parameters defined by customer specification or prevailing standards. Upon request, regulatory support files, methods of analysis, and impurity profiling reports are issued. Audit packages—such as Statements of Compliance, residual solvent data, or extractables/leachables assessments—are prepared for partners operating in regulated sectors. Ongoing change control and deviation communication are part of our post-shipment support, ensuring transparent and timely updates when procedures, raw material origins, or test protocols are updated due to regulatory or process development changes.
Purchase Cooperation Instructions
Stable Production Capacity Supply and Flexible Business Cooperation Plan
Core reactor systems and purification lines are dedicated to 2,6-Dihydroxybenzoic Acid, drawing upon qualified sourcing agreements that lock in both raw material supply and intermediate production windows, minimizing cross-scheduling with unrelated lines. Output forecasts are reviewed quarterly, and partners receive early allocation notifications to avoid supply interruptions during maintenance or planned scale-ups. For seasonal or growing demand, flexible supply agreements are structured to lock in capacity while provisions exist to adjust minimum off-take volumes.
Core Production Capacity and Stable Supply Capability
Production scaling follows validated protocols based on historical run data and ongoing yield optimization. Capacity buffers built into scheduling absorb upstream delays and ensure final products consistently meet agreed delivery windows. Long-term partners can negotiate reserved capacity rights, integrated directly into monthly and quarterly production planning. Any observed variability in throughput, usually stemming from changes in raw material quality or process rerouting, triggers an upstream adjustment by the production team.
Sample Application Process
Sample requests are routed through technical service channels, reviewed for grade, intended use, and volume requirements. Feasibility of custom grades, alternate particle size distribution, or impurity limits are discussed at the sample request stage. Release documentation accompanies all samples, matching the batch release protocol of commercial lots. Scale-up samples receive additional performance and stability profiling upon customer request.
Detailed Explanation of Flexible Cooperation Mode
Business cooperation modes match both high-volume and development-stage requirements. New project partners may initiate with pilot-plant batches, rolling into larger supply contracts as technical and downstream validation milestones are met. Volume banded pricing, inventory reservation programs, and consignment stock options are available for integration into customer JIT or VMI logistics. Contract governance terms allow scope changes—such as order frequency or grade switching—without lock-in penalties, provided core supply parameters remain unchanged. Technology transfer support, including technical visits or remote process validation assistance, can be negotiated as required for critical applications.
Market Forecast & Technical Support System for 2,6-Dihydroxybenzoic Acid
Research & Development Trends
Current R&D Hotspots
2,6-Dihydroxybenzoic acid, known for its hydrogen bonding behavior and aromatic character, draws R&D activity around its role as a matrix compound in MALDI-TOF mass spectrometry, as well as a pharmaceutical intermediate. Driven by demand in analytical chemistry, researchers seek to refine synthetic yields and improve purity control, focusing on minimizing by-products like benzoquinone derivatives during oxidation steps. Grade-specific research addresses impurity profiles in pharmaceutical applications, especially where downstream reactivity of contaminant phenolics complicates formulation.
Emerging Applications
Interest accelerates in cosmetic actives, UV absorbers, and specialty resin modification, all targeting unique substitution patterns possible with 2,6-dihydroxybenzoic acid scaffolds. Industrial R&D groups have also begun investigating its chelating ability in niche catalytic and metal recovery systems, where product grade and by-product management affect system lifetimes and reusability. Ongoing collaboration with downstream users continues to expose needs for more application-driven tailoring, such as customized particle size and solubility characteristics.
Technical Challenges & Breakthroughs
Major challenges center on controlling oxidative by-product formation during Kolbe-Schmitt or other carboxylation-based syntheses, along with efficient separation from isomeric impurities. Consistency in water content and particle morphology determines storage stability and impacts compaction or suspension behavior during end-use. Process optimization work targets solvent reuse, reduction in energy intensity of purification steps, and improved yield without sacrificing grade-specific purity. Breakthroughs in analytical detection—such as next-generation HPLC and mass spectrometry methods—now allow deeper impurity profiling and real-time batch release verification than in the past.
Future Outlook
Market Forecast (3-5 Years)
Growth in demand is most visible among manufacturers of analytical, pharmaceutical, and specialty chemical products adopting newer assay methodologies or launching new compounds based on the aromatic acid core. Regional expansion will hinge on the adaptability of production routes to raw material variations and environmental compliance mandates. High-value grades for pharmaceutical and MALDI-TOF applications are projected to outpace commodity grades, provided that process improvements maintain or increase batch reproducibility.
Technological Evolution
New methods emphasizing process intensification, such as continuous flow carboxylation and greener oxidative steps, are under evaluation to address throughput and safety at scale. Over the next cycle, expect further development of closed-loop purification technologies, including hybrid membrane-crystallization systems designed to improve recovery and decrease solvent consumption per unit product. Advances in in-line process analytics are anticipated to improve in-process control and reduce the likelihood of off-spec release.
Sustainability & Green Chemistry
Efforts intensify around reducing environmental footprint, specifically targeting solvent selection and catalyst recyclability in carboxylation. Most current industrial routes depend on aromatic feedstocks whose sustainability depends on supply chain origin and processing efficiency. Work continues on bio-based alternatives, although commercial feasibility remains grade- and region-dependent. Water usage optimization, waste minimization, and closed-system operation are increasingly embedded as key supplier evaluation criteria for end-users subject to regulatory and CSR mandates.
Technical Support & After-Sales Service
Technical Consultation
Direct access to process and QC engineers allows end-users to clarify product fit, product grade selection, and impurity sensitivities relevant to their own application specifics. Support includes documentation of analytical methods, traceability across batches for critical applications, and timely sharing of incremental process adjustments that may impact established formulations.
Application Optimization Support
Problem-solving extends beyond product delivery—technical teams routinely engage with customer R&D and process groups to troubleshoot solubility, reactivity, or stability issues traced to batch-to-batch property changes, particle size distribution, or minor impurity drift. For application-sensitive sectors such as pharma or diagnostics, feedback cycles provide basis for calibration of release criteria and in-process controls at the manufacturing site itself.
After-Sales Commitment
Batch-specific records, real-time logistics status, and rapid issue resolution follow a closed-loop system linking production, QC, and technical support. Actionable feedback from actual field use drives internal continuous improvement, both at the plant level and in the documentation provided to the customer. Release specifications, where required, are established in consultation with the customer’s application team, based on historical use-cases, validated process controls, and jointly agreed incoming quality acceptance standards.
2,6-Dihydroxybenzoic Acid: Direct Manufacturing for Industrial Buyers
Production Expertise in 2,6-Dihydroxybenzoic Acid
Our facility produces 2,6-Dihydroxybenzoic Acid using established chemical synthesis routes, integrating stringent in-process controls to achieve high-purity material suitable for downstream applications. Regular process verification and batch analytics ensure each lot meets fixed specifications. We operate with full visibility over raw material selection, reaction monitoring, and purification methods, managing each stage to minimize unwanted byproducts and batch deviations.
Key Applications Across Industries
2,6-Dihydroxybenzoic Acid supports production in pharmaceutical, analytical, and specialty chemical manufacturing. Analytical laboratories employ this acid as a standard matrix reagent for mass spectrometry. Pharmaceutical producers incorporate it as an intermediate or API precursor due to its consistent functional group positioning. The electronics sector and certain polymer applications rely on its chemical stability and defined structure for further modification.
Maintaining Consistency and Quality Control
Consistency remains a priority throughout our operation. HPLC and GC analyses reference validated retention times and purity metrics. Qualified personnel review COA data before any release. Routine equipment calibration and statistical process control reduce lot-to-lot variability. We verify elemental content and residual solvents according to published guidelines rather than relying on assumptions or visual checks.
Packaging and Supply Capability
We custom pack 2,6-Dihydroxybenzoic Acid at source, using materials designed for safe handling and efficient storage in industrial settings. Our packaging team oversees drum lining, sealing, and labeling to match the requirements of regional transit laws and customer inventory practices. The finished product leaves our factory sealed from direct contamination and protected against environmental influence until final point of use.
Technical Support for Industrial Applications
Our team collaborates with process engineers and R&D groups from procurement through integration into end-use formulations. Direct access to plant chemists and QA personnel streamlines troubleshooting and product qualification. Support covers technical documentation, composition review, process impact consultation, and scale-up service where continuous supply is critical to operational schedules or regulatory documentation.
Business Value for Manufacturers, Distributors, and Procurement Teams
Controlling every step from synthesis to packaging provides reliable lead times and shipment tracking. Transparent manufacturing data streamlines audits and regulatory submissions. Our risk-managed supply reduces unplanned delays and offers clear escalation channels for product queries. Procurement teams benefit from stable supply agreements and batch traceability, facilitating inventory planning and compliance verification. Distributors gain access to consistent product grades and batch documentation for downstream commercial uses without dependency on market speculation or third-party negotiation.
Industrial FAQ
What are the key chemical properties and purity specifications of 2,6-Dihydroxybenzoic Acid?
Understanding What Sets Our 2,6-Dihydroxybenzoic Acid Apart
Producing 2,6-dihydroxybenzoic acid, also known as γ-resorcylic acid, requires not just adherence to chemical fundamentals, but an ongoing commitment to purity, batch consistency, and quality assurance. This compound draws steady industrial interest due to its use in pharmaceuticals, dye intermediates, and advanced materials. Our engineering teams monitor every step of synthesis and purification, so the material stands up to critical research and manufacturing requirements.
Chemical Profile and Typical Characteristics
Our product carries a precise molecular formula, C7H6O4, and a molar mass around 154.12 g/mol. Structural identity is confirmed by distinct melting range, typically documented between 202°C and 205°C for high-purity lots. This phenolic acid remains sparsely soluble in cold water, but shows improved solubility in hot water, ethanol, and ether. Production avoids contamination with other isomers, which would compromise the compound’s behavior in downstream processes.
Purity Specifications and Analytical Assurance
Applications do not tolerate residual metallic or organic contaminants. We conduct rigorous HPLC and GC assessments to guarantee assay values routinely above 99%. Trace analysis, including ICP-OES, confirms heavy metal levels remain within accepted pharmaceutical or reagent thresholds, with lead, mercury, and arsenic measured below 10 ppm in our standard batches. Sulphated ash stays well within 0.1%, which reflects both careful synthesis and high-efficiency washing steps. These specifications did not come from a checklist—they developed through engagement with long-term end users, whose own performance testing has consistently demanded analytical-class purity profiles.
Moisture Content and Handling
Residual water can ruin sensitive syntheses, especially those destined for pharmaceutical or electronics sectors. We employ high-vacuum drying, batch-recorded and routinely checked, to maintain moisture below 0.5%. This step eliminates product caking in drum storage and minimizes variability during crystal dissolution. Our warehouse system stores 2,6-dihydroxybenzoic acid in climate-monitored rooms, using sealed, food-grade low-density polyethylene liners for every batch dispatched.
Addressing Real-World Needs and Scale-Up Challenges
Academic labs and multiton plants both benefit from standardized chemical properties, and our production department emphasizes batch traceability. Each lot’s analytical report is archived for five years, supporting repeatability and QA audits. A decade of technical feedback has taught us the value of open dialogue with process chemists; sometimes, a small adjustment in crystal form or granulation can solve a filtration bottleneck. We work directly with customers to adjust certain parameters by integrating feedback straight into our process control workflow, without risking upstream consistency.
Continuous Investment in Process Rigor
Improving purity is not about chasing the highest possible number, but about eliminating the unknowns. Our lab develops and validates each method against current compendial techniques. Combining this approach with lot-specific documentation assures our partners that every pail or drum hitting their dock has a defined chemical signature. We stand behind our specifications—delivering material that stands up not only analytically but in real use.
Collaboration and Support
The conversation never ends at the data sheet stage. Our technical staff, many with decades of hands-on synthesis and scale-up experience, support new requirements as process technology evolves. Whether it’s meeting a unique impurity threshold or ensuring a particular particle size, we treat every request as an opportunity to push standards higher. Material performance directly ties back to the manufacturing floor, and that’s where we believe quality truly begins.
What packaging sizes are available for bulk purchase of 2,6-Dihydroxybenzoic Acid?
Our years in chemical manufacturing have taught us that bulk customers care about reliability, safe handling, and logistical efficiency—not just price or lab data. For 2,6-Dihydroxybenzoic Acid, also known as gamma-resorcylic acid, packaging often becomes the core topic in every long-term partnership discussion. Bulk buyers, whether they’re producing pharmaceuticals, fine chemicals, or specialty materials, share a set of concerns about how their raw materials arrive and in what form.
Current Bulk Packaging Options
We provide 2,6-Dihydroxybenzoic Acid primarily in fiber drums with polyethylene liners. This choice isn’t made lightly; it follows careful evaluation of moisture sensitivity, contamination risk, international shipping needs, and basic workplace ergonomics. Standard drum sizes we put out for this material are 25 kg and 50 kg net weight per drum. These drums are robust, allow stacking, and give solid protection against both physical shock and accidental moisture ingress. Within our production site, every charge deposited into packaging is checked to match batch records against precise fill weights—errors here risk customer frustration and non-compliance on large purchase orders.
Bags and lined cardboard cartons have a role to play for some customers focused on smaller, high-frequency runs—especially those feeding directly into automated dosing systems. For this, we can fill high-strength polyethylene or multi-ply paper sacks, ranging from 10 kg through 25 kg units for specific requests. In our experience, even mid-sized buyers prefer drum packaging for improved storage and handling.
Bulk and Super-Sack Handling
Requests for very high volume loads—in the range of hundreds of kilos to tons—come from larger synthesis or toll manufacturers. For this, we supply super sacks (FIBC ton bags), generally filled at 500 kg or 1000 kg net weights. Super sacks streamline material transfer for customers operating silo or bulk-feed systems, but they demand special care during filling and sealing. Quality checks run throughout the loading step, and we check each sack’s integrity to prevent contamination and moisture migration—a critical step given the sensitivity of this material to ambient conditions.
Customization and Risk Mitigation
With strict downstream process requirements, some customers ask for non-standard containers. In our experience, special intermediate bulk containers (IBCs) or palletized box systems work, so long as they’re pre-approved through stability and integrity testing. For highly regulated applications—especially in the pharma space—our technical team coordinates directly with client validation specialists. This ensures the packaging avoids any interaction with process-critical materials and meets local and international shipping regulations.
Security seals, anti-tamper features, and clear batch traceability are built into every batch we ship. Traceable lot numbers help our partners audit their supply chains, boost GMP compliance, and rapidly isolate any issues.
Continuous Feedback Drives Improvement
Customer feedback has pushed us to further lower contamination risks and refine palletization processes. It’s led to packaging adjustments that keep material in top condition from the moment it leaves our blending hall to the second it enters production lines worldwide. Safe, reliable delivery in the right container shapes everything—production, planning, and, ultimately, finished product results.
Does shipping 2,6-Dihydroxybenzoic Acid require any special documentation or compliance with hazardous material regulations?
Regulatory Classification Drives Documentation
In any chemical production facility, moving large quantities of material between global sites and customers requires more than a loading dock and a signed manifest. When we prepare 2,6-Dihydroxybenzoic Acid (also known as γ-resorcylic acid) for shipment, we begin by checking the regulatory status under transport and chemical safety frameworks—such as the UN Recommendations on the Transport of Dangerous Goods, GHS, and national agencies like DOT or ADR.
Based on established chemical hazard references and the material’s physical and toxicological properties, 2,6-Dihydroxybenzoic Acid does not fall into a UN hazardous class for transport under most circumstances. It is not assigned a UN number as a flammable solid, toxic substance, or corrosive. This classification means we are not required to apply the same Dangerous Goods protocols as with peroxides or strong acids—no red diamond labels, no emergency response guides for high-hazard classes.
Safety Data Sheet Remains Essential
Although UN Dangerous Goods regulations don’t dictate extra hazard documentation, regulatory compliance does not stop there. Our shipments always include a comprehensive Safety Data Sheet (SDS). Each SDS details the product’s composition, handling precautions, storage instructions, recommended PPE, fire-fighting guidance, and first-aid measures. We prepare the document according to current GHS standards and in multiple languages as needed for export.
We do not ship without the latest SDS. Our logistics teams keep copies on hand with shipping departments and at customer docks for reference. Many of our long-standing customers keep digital files for quick access during delivery inspections or audits.
Customs and Import Requirements
A global chemical supply operation means clearing customs at multiple ports and borders. Local regulations often require us to provide a Certificate of Analysis (COA) showing batch purity, together with the usual commercial invoice and packing list. Most authorities also request the full SDS and may ask about intended end uses and recipient licenses, particularly in regions with chemical control lists. Our documentation packages have evolved to streamline these requests, preventing shipping delays.
Packaging and Labeling Practices Grounded in Safety
Even when a substance does not rate as hazardous for transport, we package with durability and traceability in mind. Our production output of 2,6-Dihydroxybenzoic Acid leaves our facility sealed in HDPE drums, fiber drums, or flexible bulk containers, according to client volume and storage needs. Every label carries the chemical name, CAS number, gross/net weights, lot code, and appropriate GHS warning pictograms for irritating dust. We match each package to the transport route, from inland trucking to sea containers, making sure labeling endures handling and weather exposure.
Forward-Looking Compliance and Continuous Review
Regulatory demands evolve. We maintain active memberships with trade and safety organizations and stay connected with emerging guidance. Customer site audits, employee training, and transparent records support our compliance culture. If a new classification or safety risk is identified, our documentation systems and packaging methods adapt in step. We encourage feedback from customers and transporters; any reported incident becomes a prompt for internal review and possible process improvement.
Compliance is a shared responsibility throughout the supply chain, but as the producer of 2,6-Dihydroxybenzoic Acid, we drive the process from the very first drum. Our customers and partners rely on clear documentation and transparent compliance. We deliver on those expectations with every shipment.
Technical Support & Inquiry
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales7@bouling-chem.com, +8615371019725 or WhatsApp: +8615371019725