Knowledge

Uracil

Product Profile

Apply for Sample
Names
Preferred IUPAC namepyrimidine-2,4(1H,3H)-dione
Other names2,4-Dioxopyrimidine
2,4-Pyrimidinedione
Pronunciation/ˈjʊər.ə.sɪl/
Identifiers
CAS Number66-22-8
Beilstein Reference50572
ChEBICHEBI:17568
ChEMBLCHEMBL1139
ChemSpider547
DrugBankDB03444
ECHA InfoCard100.003.141
EC Number3.5.4.5
Gmelin Reference6112
KEGGC00106
MeSHD014509
PubChem CID1174
RTECS numberYR2975000
UNII3KX376GY7L
UN number2811
Properties
Chemical formulaC4H4N2O2
Molar mass112.0868 g/mol
AppearanceWhite to almost white crystalline powder
OdorOdorless
Density1.32 g/cm³
Solubility in water6.1 g/L (20 °C)
log P-1.07
Vapor pressure7.9 x 10^-9 mmHg (at 25 °C)
Acidity (pKa)9.5
Basicity (pKb)pKb = 13.5
Magnetic susceptibility (χ)-73.0·10⁻⁶ cm³/mol
Refractive index (nD)1.63
Dipole moment4.80 D
Thermochemistry
Std molar entropy (S⦵298)146.0 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298)-386.6 kJ/mol
Std enthalpy of combustion (ΔcH⦵298)-2449 kJ mol⁻¹
Pharmacology
ATC codeL01BC02
Hazards
Main hazardsMay cause genetic defects. May cause cancer.
GHS labellingGHS labelling of Uracil: "Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
PictogramsGHS07
Signal wordWarning
Hazard statementsH302: Harmful if swallowed.
Precautionary statementsP264, P270, P273, P301+P312, P330, P501
NFPA 704 (fire diamond)1-0-0
Flash point> 321 °C
Autoignition temperature613 °C
Lethal dose or concentrationLD50 oral rat 14,600 mg/kg
LD50 (median dose)LD50: 14 g/kg (oral, rat)
NIOSHWI6600000
PEL (Permissible)PEL (Permissible Exposure Limit) for Uracil: Not established
REL (Recommended)10 mg/kg
IDLH (Immediate danger)No IDLH established
Related compounds
Related compoundsCytosine
Thymine
Uridine
Uridine monophosphate
Barbituric acid
Orotic acid

Chemical ID: CAS Formula HS Code Database – Uracil

Section Technical Commentary and Identification
Product Name & IUPAC Name Product Name: Uracil
IUPAC Name: 2,4-Dihydroxypyrimidine
Chemical Formula C4H4N2O2
Synonyms & Trade Names Synonyms commonly seen in industrial orders include pyrimidine-2,4(1H,3H)-dione and 2,4-pyrimidinedione. In nucleotide chemistry supply, uracil is specified by its base name only. Trade names are rarely applied due to regulatory preference for generic identity in nucleic acid raw materials.
HS Code & Customs Classification HS Code: 2933.21
Customs authorities typically classify uracil and its derivatives under "heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyrimidine ring." Regional code digits may change for blends, derivatives, or if the product is included in formulated premixes.

Industrial Production and Grade Variability

Uracil production relies on condensation of malic acid derivatives with urea via a cyclization pathway. The raw material source directly influences impurity profiles, which are critically monitored for nucleobase or pharmaceutical grades. In agrochemical and intermediate applications, higher impurity levels may be tolerated, but for pharma and nucleotide grades, process optimization prioritizes reduction of isobaric pyrimidine isomers and residual starting materials.

Synthesis routes determine batch variability: continuous processes yield higher lot consistency, while small-batch or campaign modes, which are used for high-value low-volume supply, can introduce variation that must be controlled through in-process chromatography and end-point verification. Release criteria always reference grade-specific standards. For molecular biology, specification is tied to trace organic contaminant and heavy metal background; food or feed applications depend on local regulatory expectations.

Handling, Storage, and Downstream Use

The storage profile relates to hygroscopicity and reactivity with open air moisture. Product form impacts downstream dissolution or blending—fine powder grades disperse faster for biochemical syntheses, while compacts or coarse granules suit long-haul transport and secondary formulation. Application requirements (such as solubility, dustiness, or compatibility with extraction solvents) guide end-user storage strategies more than generic shelf-life numbers. For all grades, closed packaging with controlled humidity remains essential to avoid undesirable hydrolysis or degradation products.

Downstream users often require documentation of traceability for every batch, especially for regulated industries. Internal archive samples and batch records are retained to address inquiries or compliance investigations, consistent with best practices for primary intermediate manufacturing.

Quality Control and Customs Compliance

Each market region defines customs classification stringency differently; for example, the ASEAN region may request more granular product differentiation than North America. All export shipments require a confirmation of HS code based on the actual End Use Statement and, when requested, the local importer's product registration status. Our company maintains an internal database of approval precedents to expedite clearance in difficult jurisdictions.

Batch release control draws on real-time process analytics where available; spot-testing for residual solvents, specific isomeric contaminants, and moisture validates each release. Specifications deviate between application types, and documented full compliance with customer-set technical agreements is standard in pharmaceutical-grade supply.

Technical Properties, Manufacturing Process & Safety Guidelines: Uracil

Physical & Chemical Properties

Physical State & Appearance

Uracil appears as a white to off-white crystalline solid. The detailed form and exact shade often shift with granular size and processing technique, particularly between pharmaceutical and industrial-grade product. Odor is not significant under dry conditions.

Melting point readings depend on crystalline purity and moisture content in production. The compound does not exhibit a distinct boiling point under atmospheric pressure, as it decomposes before boiling. Flash point measurement typically remains outside industrial relevance, since uracil represents very low flammability risk at ambient conditions.

Bulk density and tap density values reflect processing conditions—spray-dried lots and recrystallized fractions can diverge notably, necessitating grade-by-grade assessment for solid handling systems.

Chemical Stability & Reactivity

Uracil shows solid thermal and chemical stability at ambient temperature and moderate humidity, as long as the environment avoids strong oxidizing agents or strongly acidic/alkaline solutions. Variability in batch stability traces to trace impurity introduction, especially organics or metals catalyzing decomposition under prolonged heating.

Solubility & Solution Preparation

Solubility in water is moderate, with notable dependence on pH—alkaline dissolution increases as expected for pyrimidine bases. For formulations, dissolution in hot water or buffered solvents maximizes yield, while industrial solution prep always considers the grade’s particle size distribution, since fines dissolve faster than coarse fractions. Application-specific solvents may include methanol, ethanol, or DMSO, but always under controlled conditions due to risk of sample degradation.

Technical Specifications & Quality Parameters

Specification Table by Grade

Each production lot follows quality standards tailored to its intended end use, such as pharmaceutical, food additive, or industrial chemical. Critical specifications include assay (purity), moisture (water by KF), related substances (HPLC/UHPLC), residual solvents, and heavy metals. Values and acceptable ranges are grade-dependent and specified by customer requirements or applicable pharmacopeia/food code. Trace elements such as lead, mercury, and arsenic are controlled stringently in API-grade batches compared to technical grade.

Impurity Profile & Limits

Process impurities primarily include isobaric pyrimidines, formyl/acetyl derivatives, and starting material residues. Each synthesis route carries specific impurity risks, so the impurity profile of each lot receives a full chromatographic review before release. Defined impurity limits reference regulatory filings and customer standards, with additional restrictions imposed by pharmacopoeial monographs if supplying food or pharmaceutical applications.

Test Methods & Standards

Assay determination utilizes HPLC, UPLC, or titrimetric methods, with method validation tailored to grade and client needs. Moisture determination employs Karl Fischer titration for precise control. Residual solvents and metal contaminants are measured by GC-MS and ICP-OES, respectively, as required by final use case and regulatory specifications.

Preparation Methods & Manufacturing Process

Raw Materials & Sourcing

Raw material selection emphasizes both chemical purity and supply chain reliability. Main inputs usually consist of malic acid, urea, or barbituric acid, depending on the synthesis approach. For pharmaceutical grade, every input batch undergoes supplier qualification and traceability checks; for industrial grade, economic considerations may influence supplier matrix prioritization without sacrificing core quality standards.

Synthesis Route & Reaction Mechanism

Common synthetic routes employ condensation reactions, for example via dihydrouracil intermediates or carbamoylation, catalyzed by acid or base. Route selection considers operational efficiency, cost, and byproduct minimization. Careful control of stoichiometry, temperature, and pH during reaction mitigates side-product formation.

Process Control & Purification

Key control points include stepwise monitoring of pH, crystallization temperature, and filtration clarity. Multi-stage recrystallization refines the product, targeting removal of colored or closely related impurities. Each process step records in-process parameters electronically, and any deviation from control ranges triggers an automatic hold for operator review. Color differences serve as an early indicator of off-spec impurities and guide purification adjustments.

Quality Control & Batch Release

Finished batches must meet release criteria drawn from internal and customer specifications. Each lot receives assay, impurity, residual solvent, moisture, and visual analysis. Batches designated for critical use (such as pharmaceutical or biotech) undergo additional endotoxin and microbiological tests. Release standards and tolerance ranges update according to customer contract and relevant pharmacopeia changes.

Chemical Reactions & Modification Potential

Typical Reactions

Uracil participates in halogenation, nitration, alkylation, and glycosylation, among other nucleophilic and electrophilic substitution reactions. Industrial scale modification favors routes with high yield and minimal hazardous intermediates; for example, 5-halouracil synthesis employs controlled halogen sources in solvent or neat reaction systems.

Reaction Conditions

Catalyst and solvent choices respond to product purity and downstream application, with temperature ranges dictated by reaction enthalpy and impurity suppression. Lower temperatures help avoid side chain decomposition and are preferred for pharmaceutical precursors. Oxygen exclusion may be necessary in certain modifications to prevent oxidative byproduct formation during halogenation or alkylation.

Derivatives & Downstream Products

Commercial derivatives include thymine, 5-fluorouracil, and a range of nucleoside analogs. Each downstream product requires process adaptation—reaction endpoint, workup, and purification protocol—all guided by the intended application and regulatory backdrop.

Storage & Shelf Life

Storage Conditions

Standard storage employs sealed, inert containers to shield the product from moisture, light, and airborne contaminants. HVAC-controlled warehouses manage temperature and humidity to specification, which varies with grade and lot sensitivity. Pharmaceutical lots store under low humidity and moderate temperature ranges, using nitrogen purging for maximum stability. Technical grade tolerates higher temperature swings barring direct sunlight and moisture intrusion.

Container Compatibility

High-purity uracil stocks use polyethylene, polypropylene, or glass containers. Long-term storage favors gas-impermeable liners and desiccation packs to ensure stability. Incompatible materials include copper-based alloys or iron, which may catalyze color change or degradation under storage mismanagement.

Shelf Life & Degradation Signs

Shelf life estimates reflect both grade and storage environment, with visual cues such as discoloration or clumping acting as early warning for moisture ingress or thermal aging. Lots destined for regulated markets undergo routine re-testing per batch stability guidelines. Where customers require extended stability guarantees, real-time and accelerated stability data guide delivery and turnover practices.

Safety & Toxicity Profile

GHS Classification

Uracil generally classifies as non-hazardous by GHS standards, lacking acute toxicity or flammability specific to industrial use. Regulatory safety classification always defers to updated safety data and grade-specific impurity risk management protocols.

Hazard & Precautionary Statements

Main safety concerns focus on powder handling—avoidance of dust generation, direct inhalation, and eye/skin contact. Standard personal protective equipment includes gloves, goggles, and dust respirators, particularly during large-volume transfers and packaging breakdowns.

Toxicity Data

Systemic toxicological data suggest low acute and chronic hazard at typical exposure levels, though pharmaceutical-grade lots require extra diligence due to stringent impurity limits and end use in clinical applications. Worker exposure limits reflect both dust generation risk and local regulatory guidelines; handling practices always prioritize closed-system operations for high-purity production lines.

Exposure Limits & Handling

Recommended industrial hygiene practices include dust extraction, splash protection, and periodic air monitoring in confined process environments. Any incident of spillage mandates dry cleanup methods and scrupulous documentation to ensure traceability and avoid cross-contamination with other actives. Batch-specific handling instructions evolve with customer and regulatory feedback, especially for downstream conversion or pharmaceutical use streams.

Supply Capacity & Commercial Terms

Production Capacity & Availability

Uracil manufacturing capacity reflects process configuration, raw material logistics, and installed reactor train scale. We use continuous synthesis and crystallization control, which supports both industrial and pharma-grade volumes. Availability depends on upstream pyrimidine intermediates and regional market offtake trends. Supply timeline may change if solvent recovery or critical purification steps are impacted by maintenance, feedstock shortage, or regulatory review cycles.

Lead Time & Minimum Order Quantity (MOQ)

Batch release lead time for standard pharmaceutical and electronic grades ranges between several weeks and two months, depending on QC scheduling and customer audit intervals. MOQ for bulk shipments arises from crystallizer, dryer, and packaging equipment throughput; for custom grades, pilot-scale validation batches set lower limits. Fast-tracked lots for urgent applications draw on in-process inventory if incoming API shipments allow.

Packaging Options

IBC drums, lined fiber drums, and double-polylined bags serve most industrial buyers; sensitive grades for high-purity requirements undergo inert gas flush and multilayer barrier protection. Bulk handling units can be reconfigured to match containment, traceability, or anti-static specifications as defined during technical qualification.

Shipping & Payment Terms

Shipping compliance covers ADR/IMDG monitoring if destination or grade triggers regulatory requirements. Container selection and packing density depend on precipitation behavior and climate zone for destination. Payment terms are subject to buyer creditworthiness and risk market position, subject to business review policy.

Pricing Structure & Influencing Factors

Interpretation of Raw Material Cost Composition

Raw material costs follow the pyrimidine core route and ammonia or urea market trends. Main contributors include starting methylated pyrimidines, ammonia costs, and solvent cycle efficiency. Price shifts trace back to feedstock grade, region of synthesis, and solvent/energy index levels. Process yields, batch-to-batch impurity profile, and continuous vs. batch mode utilization drive per-kilo conversion costs.

Fluctuation Causes

Raw material costs can move sharply with regional agrochemical demand, supply chain bottlenecks in ammonia and urea, and major plant turnarounds in China or India. Energy inputs, natural gas spikes, or port closures introduce volatility. Non-commodity grades (e.g., electronic, biotech) respond more to pharmaceutical intermediate purity costs and GMP compliance surges.

Product Price Difference Explanation

Grade, purity, and packaging certification drive durable price differentials. Pharmaceutical and electronic grades require tighter impurity controls, elemental analysis, and validated packaging for trace-level contamination risks. Certification requests (GMP, electronic grade) extend batch documentation, impact secondary packaging, and raise batch release resource requirements. These parameters result in graded surcharges well above standard commodity uracil.

Global Market Analysis & Price Trends

Global Supply & Demand Overview

Uracil output congregates around Asia-Pacific (notably Eastern China and India) due to integrated chemical complexes and proximity to feedstock. Demand points remain split between US/EU pharmaceuticals, Japan electronics, and agrochemical segments in South Asia. Most western buyers depend on long-term contracts to secure stable upstream supply.

Key Economies Analysis

United States and EU focus supply on tight-compliance pharma sectors, tightening traceability, while Japan’s buyers emphasize ultra-pure electronics grade with zero batch cross-contamination. Indian and Chinese markets support both high-volume, moderate-purity agroimport and smaller GMP lines. Import-export flux in these regions is driven as much by local production capacity expansion as regulatory approval cycles for downstream API or crop protection products.

2026 Price Trend Forecast

Current upstream cost trends and export dynamics suggest gradual pricing elevation into 2026, especially for high-purity and regulatory-certified uracil. Any sharp spike in ammonia or energy cost, logistics interruptions, or major regulatory audits can drive premium surcharges. High-capacity entrants could mediate increases for standard industrial grades, but pharma/electronic grade markets are expected to remain supply-constrained and command premium pricing.

Data Sources & Methodology

Forecast uses internal historical cost tracking, regional offtake models, published raw material indices, and direct feedback from regional export, regulatory, and downstream API partners.

Industry News & Regulatory Updates

Recent Market Developments

Global logistics volatility and raw material allocation shifts continue to impact advance order timing. Price moves in core intermediates cause upstream procurement contracts to renew more frequently. Entry of new regulatory guidance for pharmaceutical and electronic grade uracil intensified qualification and record-keeping steps at major facilities.

Regulatory Compliance Updates

Recent international audits have introduced enhanced documentation of solvent residues, elemental impurity risk, and process water handling. The latest GMP frameworks require stricter segregation of API and technical lines, raising both operational and compliance costs for high-grade supply.

Supplier Response & Mitigation

Increased internal reserves of key intermediates, advanced scheduling with OEM packaging partners, and further investment in in-process impurity checks directly address the rising compliance and delivery challenges. Streamlining solvent recovery and batch clearance has helped moderate cost increases for industrial buyers, but pharma and electronics grade users continue to see escalated lead times and extended technical documentation transfer to meet rigorous end-use validation expectations.

Application Fields & Grade Selection Guide – Uracil

Industry Applications

Uracil contributes in a range of industries, each with clear expectations for quality and performance traits. Life science labs use it as a nucleotide precursor in research and diagnostics. Pharmaceutical manufacturers draw on it for API intermediate synthesis, particularly in antimetabolite drugs like 5-fluorouracil. Fermentation operators sometimes supplement microbial cultures with uracil when strains require external nucleobase support. Plant physiology labs employ it for metabolic tracing and enzymology. Each setting expects the product to align with its sensitivity to impurities, trace element background, and physical consistency.

Grade-to-Application Mapping

Application Preferred Grade Grade Rationale
API Synthesis Pharmaceutical Grade Low residual solvents, minimal metal contamination, and robust analytical profile required for regulatory filings.
Diagnostic/Research Reagents Bioresearch Grade Consistent nucleic acid compatibility, minimal pyrogens, low UV-absorbing impurities important for assay performance.
Microbiology/Fermentation Technical or Food Grade Freedom from toxicants sufficient for cell growth, cost and supply stability prioritized.
Agri-bio/Plant Tracing Research Grade Batch homogeneity and analyte background clarity affect labeling studies.

Key Parameters by Application

  • API Synthesis: Heavy metal residue, specific organic impurities, and polymorphic form are monitored at batch release. Process impurity profiling is guided by regulatory guidance, with spec tightening following customer and pharmacopoeial direction. Product undergoes multi-stage purification, resulting in trace contaminant levels suitable for finished pharma intermediates.
  • Life Science & Diagnostics: Microbial endotoxin and nucleic acid-degrading activity control the release. Bioburden and residual organic solvent testing are more stringent than for general technical grade. The choice of starting materials often excludes animal-derived inputs.
  • Fermentation/Nutrient Supplement: Absence of growth-inhibiting secondary metabolites matters. Particle size and flow characteristics are managed to prevent feeding blockages in bioreactors. Purity targets relate to cell viability more than to research rigor.
  • Plant Physiology Research: Stable isotopic composition and clear mass spec background prevent interference in labeling and tracing applications. Low-level elemental impurities (notably boron and sodium) may be flagged during customer validation.

How to Select the Right Grade

Step 1: Define Application

Specify the main use—API synthesis, bioresearch, fermentation input, or analytical reagent. Downstream requirements often depend on end-use: product used as a pharmaceutical intermediate will require deeper batch documentation and trace control than nutrient feedstock.

Step 2: Identify Regulatory Requirements

Pharmaceutical and diagnostic routes almost always follow strict regulatory and documentation needs (cGMP, ICH-Q7, pharmacopoeial compliance). Food or technical grades typically address safety through management of typical contaminants and traceability but do not carry full pharmacopoeial certification.

Step 3: Evaluate Purity Needs

Confirm impurity thresholds and analytical tolerances required for target use. In-house QC tracks heavy metals, solvent residues, and related nucleobase contaminants. Release standards reflect end-use, with pharma and biosciences grades produced in controlled areas and subject to batch-by-batch verification. Technical grades accommodate a wider range of trace background consistent with robust microbial growth or process yield.

Step 4: Consider Volume & Budget

Large fermentation or industrial batches often require technical grade for cost reasons, accepting broader impurity specifications. High-purity requirements for clinical or analytical usage justify smaller volumes and higher batch documentation costs due to the risk profile of the application.

Step 5: Request Sample for Validation

Quality and process compatibility can only be confirmed through customer-specific validation. Production batches are retained for traceability. Our technical team supports application matching by sharing representative batch documentation, COA, and supporting analytical data upon request.

Trust & Compliance: Quality Certifications & Procurement Support for Uracil

Quality Compliance & Certifications

Quality Management Certifications

In our uracil manufacturing, plant quality systems follow robust protocols based on recognized standards, including ISO 9001. Years of process adjustments have shaped internal controls across every step, from raw material verification to final product release. We align management practices with traceability requirements, enabling corrective actions if any upstream deviation is detected. Our audit cycles, both internal and external, verify regular recalibration of instruments and regular updating of training records. Where regulatory expectations shift between regions, certification documentation is maintained to align with the stricter regional mandates.

Product-Specific Certifications

Uracil destined for use in pharmaceutical, agricultural, or food additive sectors may demand product certifications that hinge on both grade and application. For pharmaceutical excipients or active ingredient uses, GMP principles underlie batch production and sampling. Regulatory filings support shipment to markets demanding DMF or CEP references. Certification scope varies by intended end-use—pharma, diagnostic, or agrichemical—with purity profiles tailored to downstream customer filing requirements. Product release documentation captures compliance with agreement-specific standards, rather than relying on a generic certificate of analysis.

Documentation & Reports

We supply comprehensive supporting documentation for each uracil grade, which typically includes certificates of analysis, detailed batch records, and shipment traceability data. Additional reports—such as impurity profiles or residual solvent summaries—are supplied as required by end-use application or customer regulatory needs. For food or pharma uses, we deliver allergen, GMO, and BSE/TSE statements when traceable to raw material origin. All documents originate from our own technical and quality control teams, with oversight that ties every batch certification to an auditable sample retention policy.

Purchase Cooperation Instructions

Stable Production Capacity & Supply

Our core uracil synthesis lines run on validated process routes with stable output supported by redundant critical utilities and long-term raw material contracts. Changes in forecasted demand are accommodated with adjustable production planning. For high-volume or contract-bound projects, dedicated campaign manufacturing or batch slot reservation supports continuity of supply through regular, pre-agreed schedules. Production planning adapts to demand surges by maintaining inventories above the rolling average requirements, with exact triggers for production increments based on customer supply history and contract forecasts.

Flexible Business Cooperation Plan

Business models span from spot procurement to multi-year supply agreements. For strategic customers, we open options for vendor-managed inventory, just-in-time shipments, and volume-based pricing structures. Cooperation models may switch between delivered, pick-up, or bonded-warehouse arrangements to match evolving client distribution needs. Seasonal capacity, custom packaging, or forward-placed stock models are negotiated case-by-case, anchored by our ability to scale production volumes or allocate production slots in line with customer commitments, rather than offering one-size-fits-all terms.

Core Production Capacity & Stable Supply Capability

Our uracil output rests on reliable, repeatable batch and campaign operations, with each campaign designed to minimize cross-contamination risk and variation between lots. Key sources of variance—such as solvent purity or intermediate quality—are monitored continually, and adjustments are made to the next cycle based on statistical process control. In regions facing logistical or regulatory disruptions, we initiate risk-mitigation protocols to protect contracted deliveries. Stable supply is supported by periodic internal and third-party audits to confirm that our manufacturing and quality release procedures demonstrate batch-to-batch reproducibility suitable for demanding regulatory and technical applications.

Sample Application Process

Sample allocation depends on the product grade and application sector. For new customer qualifications, technical grade, pharma grade, or diagnostic grade uracil samples are drawn directly from production batches under full traceability. Application evaluation is supported by provision of batch-specific documentation. Requests are logged, prioritized by technical urgency and commercial timeline, and fulfilled by our technical service team. Feedback from sample trials is integrated directly back into R&D and production process reviews, to address any specification mismatches or to support qualification for customized requirements.

Detailed Explanation of Flexible Cooperation Mode

Cooperation modes differ between project-based and ongoing commercial supply. For long-term projects, we reserve production slots and batch numbers in advance, with provisions for volume ramp-up or ramp-down as customer forecasts change. Capacity can be partially dedicated, guaranteeing start-to-finish separation for high-purity or project-specific lots. We enable customers to select packaging configurations, shipment frequency, and document delivery format. Collaboration on inventory management combines forward shipment planning with quarterly or monthly adjustment windows, supporting dynamic customer requirements without exposure to abrupt supply gaps.

Market Forecast & Technical Support System for Uracil

Research & Development Trends

Current R&D Hotspots

Technical teams tracking uracil often focus on two main directions: improving synthetic efficiency and reducing by-product content. Most process optimization work centers around controlling the purity suitable for pharmaceutical, agricultural, and high-purity reagent end uses. Raw material selection pivots on available routes—condensation of urea and malic acid remains the primary method, but alternative biomimetic and green synthesis routes are attracting more attention. Across production sites, purity requirements, isomer differentiation, and batch reproducibility have shaped the operating parameters in both pilot and large-scale plants.

Ongoing research into low-residue uracil for nucleic acid-based sectors requires strict control on specific impurity profiles. Consistency across batches increasingly rests on continuous production feedback and tight coupling between quality analytics and process controls.

Emerging Applications

Recent analysis shows a steady increase in uracil's use as a starting material in RNA therapeutics and as a precursor in enzyme cofactor production. Manufacturers responding to these trends equip plants for enhanced traceability and modular purification systems, reducing cross-contaminant risks for downstream biotech processes. The crop protection industry pushes for grades with reduced heavy-metal residue while molecular biology companies request ultra-pure grades with documented absence of interfering nucleobase analogs.

Technical Challenges & Breakthroughs

Across production, the most challenging aspect remains minimizing side-product nucleobase contamination during cyclization and hydrolysis steps. Scale-up often reveals purification bottlenecks. Investments in membrane separations and advanced chromatographic cleaning have allowed some sites to reduce off-grade material generation. Improvements in online monitoring, such as real-time UV and HPLC integration, now help with faster correction of process drift. The waste stream recycling from uracil isolation is gaining traction as regulatory pressure stiffens regarding waste minimization.

Future Outlook

Market Forecast (3-5 Years)

Demand projections from biopharmaceutical and agrochemical manufacturers suggest a moderate growth trajectory, driven both by expansion in nucleic-acid drug pipelines and stricter regulations on impurity levels. Feedback from major end users confirms continued preference for traceable, origin-certified uracil.

Production rationalization—shifting capacity between fine chemical and advanced materials divisions—responds to periodic swings in order volumes and grade requirements, particularly as RNA synthesis sectors grow in Asia and North America.

Technological Evolution

As more uracil grades move toward application-specific customization, process engineers aim for modularity in both upstream synthesis and downstream isolation. Investment in process analytical technology—inline content analysis, automated pH and conductivity monitoring, and AI-based quality prediction—shapes competitive advantage. Quality assurance now frequently involves digital batch records and trace impurity mapping to support customer and regulatory audits.

Advanced biocatalytic routes, while not yet dominant, show promise for lower-energy production and decoupling of product quality from traditional chemical synthesis constraints. Some facilities test bio-based feedstocks aimed at producing uracil under milder, less energy-intensive conditions.

Sustainability & Green Chemistry

To align with industry pressure for greener production, process chemists prioritize solvent recycling, reuse of water fractions, and effluent stream minimization. Some production lines now trial alternative solvents and less hazardous reagents. In waste handling, stricter separation of organic and inorganic streams supports enhanced recycling rates. Sustainability metrics increasingly figure into supplier audits and customer qualification reviews.

Technical Support & After-Sales Service

Technical Consultation

Customers with novel process or regulatory requirements frequently consult technical teams about achievable impurity profiles, potential for grade customization, and compatibility with downstream synthesis steps. For sectors demanding tight analytical data, our quality control staff provide both batch-level certificates of analysis and support updating analytical protocols if required by evolving customer standards.

Application Optimization Support

Collaboration with application engineers spans advice on blending, dissolution practices in large-scale reactors, and guidance on minimizing material losses during formulation. Support extends to troubleshooting filtration, crystallization, or drying steps encountered in scale-up or tech transfer. Direct interaction allows faster adaptation of product offerings based on feedback from specific reagent, agrochemical, or biopharma manufacturing environments.

After-Sales Commitment

For each contract batch, routine after-sales oversight includes prompt investigation of any off-spec results, retesting as warranted, and transparent disclosure of lot variation history if customer review highlights batch-to-batch concerns. Manufacturing and technical documentation remains available for all released lots, and change control communication is standard policy for process route adjustments or specification updates. Dedicated technical representatives address both immediate product performance questions and support long-term qualification programs as client R&D needs evolve.

Uracil Production for Industrial and Commercial Markets

As a direct manufacturer of uracil, we operate synthesis processes designed for scale, purity, and tightly controlled batch consistency. Our facility applies industrial-grade crystallization and filtration technology to deliver uracil that meets the requirements for chemical synthesis, pharmaceutical intermediate production, and feed additive formulation. Production lines run under calibrated protocols to keep physical parameters and purity within industrial benchmarks.

Key Industrial Applications

Uracil plays an essential role across a spectrum of industries. For pharmaceutical synthesis, our uracil serves as a foundational base for key nucleoside analog formulations and enzyme studies. In agricultural chemistry, uracil-derived molecules support select crop enhancement programs and research applications. Specialty chemical manufacturers rely on our output for heterocyclic compound synthesis, including functional materials and advanced research reagents. Where process stability matters, large-volume users look to us for material that integrates directly into production without disruptive specification variance.

Product Consistency and Quality Control

Maintaining precise quality parameters is fundamental to all our uracil lines. Every batch undergoes full-spectrum analytical testing throughout production, with attention to impurity mapping and moisture content. We conduct chromatographic analysis, heavy metal screening, and particle sizing in real time, using calibrated lab instrumentation at the plant. Statistical process control systems track lot data and support rapid root-cause analysis if deviations arise. Process chemists oversee each reaction stage, ensuring that buyers receive only material that meets declared specifications.

Packaging and Supply Capability

Industrial applications require robust packaging solutions that preserve chemical integrity throughout shipping and storage. We supply uracil in drum, fiber carton, and lined bag formats, with options suited to large-scale industrial handling as well as smaller-volume technical use. Packaging lines are automated and operate in clean zones to prevent introduction of contaminants. Dedicated logistics teams organize shipments to match time-sensitive schedules for global and regional customers, supporting stable, year-round supply chains.

Technical Support for Industrial Buyers

Our technical group assists customers with application-specific requirements, including solubility profiles, downstream compatibility, and process integration advice. In practice, this means direct coordination between our production chemists and customer R&D or operations teams at the earliest procurement stage. We routinely provide supporting validation documentation, including method-of-analysis reports and quality traceability records, to streamline regulatory compliance for our clients.

Business Value for Manufacturers, Distributors, and Procurement Teams

Direct control over uracil production enables us to respond quickly to volume shifts and specification adjustments. Our approach minimizes risk from intermediate supply chain disruptions and eliminates multi-tier markups. Industrial buyers benefit from predictable material performance and stable pricing structures, supporting strategic planning in pharmaceutical, specialty chemical, and agricultural manufacturing environments. With internal R&D and technical support, our facility can adapt product offerings to emerging industry requirements without reliance on external intermediaries. This structure supports predictable batch scheduling and long-term supplier relationships based on demonstrated production transparency and delivery reliability.

Industrial FAQ

What is the chemical purity specification and typical assay value for the Uracil product?

Precision in Uracil Manufacturing

Decades of production experience have shown that consistency in chemical purity drives confidence for both research and large-scale operations. Manufacturing uracil presents few shortcuts—either the product delivers to spec or results fall short in downstream applications. Our uracil is produced in-house, with process controls tightly aligned to established best practices. Our facilities run dedicated lines, monitored from raw material input through final milling, to prevent cross-contamination, guaranteeing product integrity batch after batch.

Defining Purity for Uracil

In the laboratory and pharmaceutical industries, minor impurities can trigger significant setbacks. Purity in uracil directly affects enzymatic studies, nucleic acid synthesis, and custom nucleotide manufacturing. For this reason, we define chemical purity applying ICH Q3A/B guidelines, focusing mainly on HPLC purity and known related substances.

We manufacture uracil to a minimum chemical purity of 99.0% based on HPLC. Our most recent production cycles have typically delivered batches ranging from 99.3% up to 99.8% purity. These values originate from in-house HPLC, NMR, and Karl Fischer moisture data—not from marketing materials or resellers. Every batch is accompanied by a certificate of analysis listing individual impurity profiles, moisture content, and heavy metal screening.

Understanding the Assay Value

Assay quantifies the actual content of uracil relative to a set standard—often based on dried substance—important for formulation and quantitative research work. In our runs, the typical assay value, using titrimetric or spectrometric methods as per pharmacopeial monographs, averages 99.5%. The value incorporates corrections for water content, allowing customers to formulate without further adjustment, minimizing calculation errors on the floor.

Quality Control Throughout Our Process

Every kilogram produced passes through analytical checks at multiple stages. Starting from raw urea feedstock, through cyclization, crystallization, and drying, we enforce strict batch segregation. Each lot undergoes full traceability linking back to raw material intake and environmental monitoring data. Our technical team maintains clear documentation for every production run, archiving chromatography sheets and moisture logs for a minimum of 10 years.

Impurities—such as barbituric acid, an isomer, or related nucleobases—remain controlled to meet ICH thresholds. Typical levels for the main single impurity stay well below 0.1%. Heavy metal levels, checked by ICP-MS, routinely track below European Pharmacopoeia cut-offs, and residual solvents remain below decimal points against ICH Q3C limits.

Transparency and Continuous Improvement

Customers appreciate the technical transparency we uphold. Specification sheets are more than boilerplate; they reflect actual production numbers, with full COA support. Where customers have unique analytical requirements—such as expanded screening for trace organic acids or alternate methods for residual solvents—our QC department can collaborate on additional testing or certifications.

With regulatory oversight tightening and market scrutiny growing, real-world manufacturing numbers—rather than brochure-level statements—enable our clients to respond confidently to audits and regulatory queries. Our long-term partnerships are rooted in this philosophy: deliver clarity, not just compliance, and back claims with documented results from real batches, not hypothetical standards.

What are the minimum order quantities and available packaging sizes for Uracil?

Meeting Industry Demand with Practical Packaging Choices

As a direct manufacturer of uracil, we know that laboratory research, pharmaceutical development, and large-scale production all demand different approaches when it comes to raw materials. Order size can make a significant difference in cost management and workflow efficiency. That’s why we review our minimum order quantities and available packaging sizes regularly, based on real-world manufacturing realities and customer needs.

Our Approach to Minimum Order Quantities (MOQs)

Uracil, being a specialty fine chemical, requires stable handling and tracked inventory from source to delivery. We set our minimum order quantity for uracil at 1 kilogram. This quantity allows us to maintain consistency in batch production, traceability within our quality management system, and safe, efficient logistics. Orders at this scale support controlled quality and reduced contamination risk — both key factors in pharmaceutical and research settings.

For projects seeking pilot-scale test runs or formulation studies, 1 kg per order has proven to fit a broad range of needs without stretching budgets. Bulk manufacturers in need of higher volumes can order in multiples, and larger MOQs also help optimize shipping costs and support robust long-term supply partnerships.

Available Packaging Sizes: Designed for Usability and Safety

Our standard uracil packaging falls into three practical categories: small, medium, and bulk. For most regular trade, we provide 1 kg, 5 kg, and 25 kg options. These have grown out of direct feedback from process engineers, laboratory managers, and pharmaceutical procurement teams. Secure, rigid HDPE bottles or drums ensure stability and protection during storage and shipment. Smaller units such as 1 kg bottles appeal to labs needing high-purity material with minimal handling risks. Our 5 kg and 25 kg drums serve larger facilities focusing on formulations or continuous processes.

Secondary containment, tamper-evident seals, and clear labelling remain standard across all sizes. Our logistics and technical support teams coordinate with buyers to recommend optimal packaging based on the specifics of transportation routes, storage environments, and batch workflow.

Quality Assurance from Our Own Production Line

Each uracil order comes directly from our own controlled manufacturing line, not secondary stock or repackaged product. This guarantees consistency in particle size, purity, and physical properties. We perform in-house analysis and issue certificates of analysis that reference unique batch numbers. Quality control samples are archived for each batch, so we can investigate any technical queries promptly. Our in-house technical team is on hand to offer practical advice related to handling, dissolution, and preparation, reducing the risk of process interruption or material wastage.

Tailored Solutions by Direct Collaboration

Some projects require extra flexibility in how uracil is delivered. We can accommodate custom packaging outside our catalog sizes by direct arrangement with our production planners, provided these requests fall within our technical and quality parameters. Requests for bulk-sized flexible containers, double-bagged pouches, or ESD-safe materials come up in certain specialty applications — and we’ve developed solutions in partnership with customers striving for loss reduction or maximum purity.

By crafting our MOQ and packaging options around real manufacturing constraints and proven logistics, we help buyers keep their uracil supplies both reliable and workable for day-to-day demands. Our policy remains straightforward: clear communication, transparent supply chain, and products delivered straight from our own plant to yours.

Does the shipment of Uracil require any special documentation or handling according to international regulations such as IATA or REACH?

Direct Manufacturing Experience Shapes our Approach

Operating as an actual producer of Uracil, we encounter regulatory queries almost daily, especially from partners seeking reliable international supply. Regulations aren’t just paperwork—they directly impact our logistics, scheduling, and product stewardship.

Classification under International Transport Rules

Uracil doesn’t land on IATA’s lists of dangerous goods. Based on its chemical nature and widely recognized safety profile during regular handling and transport, it travels under normal freight categories. Our technical team reviews and confirms each update to the IATA Dangerous Goods Regulations to monitor possible reclassification. Regular compliance checks ensure air and sea shipments meet all expectations for non-hazardous chemicals, removing the need for DG labels or special handling instructions under IATA’s current framework.

REACH and Global Regulatory Requirements

Europe’s REACH regulation affects raw materials and chemicals headed for the EU. At our manufacturing site, REACH registration involves detailed documentation of each production batch and a clear record of substance identity and uses. For Uracil, our dossier verifies identity and that we have scientifically validated purity and impurity profiles on file, according to regulatory definitions. Our compliance department manages ongoing communication with ECHA, keeping all required justifications and safety information aligned with the latest chemical safety standards.

For non-EU destinations, authorities usually reference globally recognized chemical inventories and hazard communication standards. Based on our long-term shipment data, Uracil does not appear on lists requiring special pre-registration in most target markets. Documentation sets remain ready for customs or regulatory officials, including Safety Data Sheets, certificates of analysis, and batch traceability records. Every document issued ties directly to our own test and process records, not third-party reports or generic certifications.

Packaging and Quality Assurance during Transit

Directly from our plant, we ship Uracil in industrial-grade polyethylene-lined fiber drums or HDPE containers. Our product’s physical properties—stable, non-volatile, and low-reactivity under ambient conditions—let us use conventional packaging, minimizing cost and complexity for customers. Each batch undergoes rigorous in-house QA inspections with results logged before release.

Even though Uracil’s risk profile ranks low, we maintain robust environmental and contamination safeguards in our filling, sealing, and stacking processes. Standard protocols ensure clean, dry, and impact-resistant containment, especially since some customers use this product for sensitive pharmaceutical or food additive applications. Our loading teams document every pallet for shock, moisture, and seal integrity prior to customs handover.

Persistent Focus on Full Regulatory Transparency

We do not delegate compliance to third parties. Our regulatory oversight stays hands-on, and we keep our logistics partners briefed with the latest documentation expectations for every destination. Shipment files travel with the consignment, including the SDS, product label, and a complete packing list.

For audit purposes, our compliance office archives all shipment records and regulatory correspondence for several years. Technical support is part of our standard offer, so customers can access clarifications on regulatory status, analytical data, and real-time shipment traceability.

Addressing Industry Concerns

In chemicals, regulations evolve. By controlling our production process and tracking rule changes ourselves, we minimize surprises at customs, avoid regulatory penalties, and keep our customer supply chains steady and transparent. Our hands-on involvement means industry partners receive accurate, up-to-date guidance, not just out-of-date safety slogans or boilerplate compliance advice.

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