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2-Methylpyrimidine

    • Product Name 2-Methylpyrimidine
    • Alias 2-Methyl-1,3-diazine
    • Einecs 202-788-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    766884

    Chemical Name 2-Methylpyrimidine
    Cas Number 372-25-6
    Molecular Formula C5H6N2
    Molar Mass 94.11 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 151-153 °C
    Melting Point -15 °C
    Density 1.06 g/cm³
    Flash Point 45 °C
    Solubility In Water Miscible
    Refractive Index 1.515
    Pubchem Cid 9365

    As an accredited 2-Methylpyrimidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Methylpyrimidine is supplied in a 100 mL amber glass bottle, sealed with a tamper-evident cap, labeled with hazard warnings.
    Shipping 2-Methylpyrimidine should be shipped tightly sealed in appropriate chemical containers, protected from light and moisture. It must be labeled clearly as a flammable, hazardous substance and transported following relevant regulations (such as DOT, IATA, or IMDG). Ensure compliance with local, national, and international chemical shipping requirements.
    Storage 2-Methylpyrimidine should be stored in a tightly closed container, away from heat, sparks, open flames, and strong oxidizers. Keep in a cool, dry, and well-ventilated area. Protect from direct sunlight and moisture. Use secondary containment to prevent spills, and store in a chemical storage cabinet designated for flammable liquids. Properly label the container and restrict access to authorized personnel.
    Application of 2-Methylpyrimidine

    Applications of 2-Methylpyrimidine in Industrial Manufacturing

    As a direct manufacturer specialized in the synthesis and supply of 2-Methylpyrimidine, we support critical industrial sectors with high-purity chemical intermediates. Our material is used exclusively in established downstream applications where its molecular core contributes reliable properties in demanding environments. The following sections highlight confirmed industrial uses of 2-Methylpyrimidine, emphasizing manufacturing workflow, specification compliance, and formulation practice.

    1. Pharmaceutical Intermediate for Antiviral API Synthesis

    Our material functions as a key building block in the multi-step synthesis of certain antiviral active pharmaceutical ingredients, including compounds in the nucleoside analog category. In GMP-compliant production, 2-Methylpyrimidine is typically introduced during pyrimidine ring modification stages, allowing for controlled derivatization. Regulatory requirements govern impurity profiles and residual solvent levels, with downstream customers using validated processes and analytical QC at each juncture. Adjusting the addition ratio ensures the desired product yield and purity, with usage varying by route and target molecule. Finished APIs incorporating this intermediate are supplied to global markets for solid oral dosage formulation.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP, EP, JP monograph guidelines for nucleoside antivirals
    • 21 CFR Part 211: US cGMP for Finished Pharmaceuticals
    • EDQM CEP requirements for synthetic intermediates

    Typical usage ratio

    • 0.8–1.2 mole equivalents, based on the stepwise conversion requirements; adjustment depends on target reaction yield and side-product control

    Downstream process integration

    • Added during early to mid-stage heterocyclic ring substitutions, prior to glycosylation or further functionalization; introduced via controlled feed under inert atmosphere

    Final product types

    • Antiviral API intermediates for lamivudine, emtricitabine, and analogs
    • Finished APIs shipped for tablet and capsule formulation in regulated markets

    2. Agrochemical Active Ingredient Precursor

    Global crop protection manufacturers source this intermediate to construct pyrimidine-containing herbicides and fungicides. 2-Methylpyrimidine enters proprietary synthetic routes where selective methyl group introduction imparts activity against target pathogens or weeds. Production lines for agricultural chemicals require stringent traceability and analysis at each stage; the usage level reflects the stoichiometric needs of specific actives, frequently aligned to multi-ton batches. Safety compliance and environmental monitoring are enforced by downstream facilities, ensuring final actives meet residue and purity benchmarks prior to formulation.

    Industry compliance standards

    • FAO/WHO specifications for technical active ingredients
    • REACH (EC) No 1907/2006 registration for intermediates
    • ISO 9001:2015 QMS for agrochemical manufacturing
    • OECD principles of Good Laboratory Practice (GLP)

    Typical usage ratio

    • 0.5–1.3 molar equivalents, handled according to the process design of each active ingredient; adjusted based on coupling efficiency and side reaction minimization

    Downstream process integration

    • Integrated into pyrimidine ring formation or functionalization steps, often under anhydrous and temperature-controlled conditions

    Final product types

    • Pyrimidine-based herbicidal actives for rice, grain, and fruit crops
    • Fungicide actives incorporated into SC, WG, and EC finished products

    3. Fine Chemical Intermediate for Dye and Pigment Manufacturing

    Producers of specialty colorants employ this chemical as a core fragment in the synthesis of certain organic pigments. Its incorporation can influence chromophore stability and color shade, especially for pyrimidine-azo and anthraquinone derivatives. Quality management controls batch-to-batch colorimetry and purity, while industrial users determine the precise feed ratio by desired optical properties and manufacturability. The material is coupled or condensed at mid-point in the dye synthesis stream, after which downstream operations handle finishing and grinding for dispersible pigment systems.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for colorant production
    • GHS hazard communication for raw materials
    • EU REACH substance registration for coloration intermediates
    • EN 71-3 for colorants in toys and consumer goods (where applicable)

    Typical usage ratio

    • 5–15% by weight of total reactants in pigment synthesis; optimized for strength and color consistency

    Downstream process integration

    • Typically introduced during main condensation step, prior to crystallization or isolation of pigment base

    Final product types

    • Pyrimidine-structured organic pigments for printing inks, coatings, and plastic coloration
    • Dispersible dye intermediates for paint and textile applications

    4. Veterinary Drug Intermediate

    Animal health manufacturers rely on specialty pyrimidine variants as critical precursors for formulating veterinary pharmaceuticals, including antiparasitics and synthetic hormone analogs. In these lines, the intermediate is processed under VMP-compliant conditions, with the addition ratio calculated based on the desired molecular scaffold. Downstream engineering uses real-time analytics to control purity at each synthesis stage, ensuring the intermediate meets identity and assay criteria before incorporation into finished veterinary APIs. Facilities often scale batch sizes for seasonal demand, adjusting integration points to suit discrete product lines.

    Industry compliance standards

    • VICH GLs: International Cooperation on Harmonisation of Technical Requirements for Registration of Veterinary Medicinal Products
    • Ph. Eur. monographs: Veterinary substances
    • APVMA (Australia), FDA (US), EMA (EU) veterinary substance controls
    • ISO 22716:2007 GMP for veterinary raw materials (where required)

    Typical usage ratio

    • 0.7–1.0 mole equivalents, varied according to the synthetic pathway and the desired pharmacophore

    Downstream process integration

    • Incorporated at intermediate synthesis or side chain introduction step; typically handled within enclosed systems to prevent cross-contamination

    Final product types

    • Veterinary APIs for antiparasitic injectable solutions and premix powders
    • Synthesis blocks for hormone regulation agents in livestock health
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    Certification & Compliance
    More Introduction

    2-Methylpyrimidine: Expertise from a Chemical Manufacturer’s Perspective

    Understanding 2-Methylpyrimidine in Today’s Chemical Industry

    Daily work in the chemical sector means understanding not just what goes into our reactors, but what comes out and how these products touch downstream industries. Our long-standing experience producing 2-Methylpyrimidine has shaped our understanding of both its practical value and challenges. We specialize in synthesizing high-purity 2-Methylpyrimidine, using tried-and-true methods refined over decades. In this commentary, you’ll find insight into the practical aspects of 2-Methylpyrimidine—why manufacturers like us pay close attention to every process variable and how this compound compares in real-world use.

    Production Model and Key Specifications

    Our process starts with controlled alkylation steps, focusing on achieving specific isomer distributions, monitored by gas chromatography in every batch. Commonly, our model targets a purity above 99 percent, confirmed with each lot. Customers usually request packages from 25 kilogram drums to larger totes, with handling protocols built on decades of experience in shipping heterocyclic compounds.

    We focus on factors such as water content, color, and residue on evaporation because even small inconsistencies can cause major setbacks for customers. 2-Methylpyrimidine arrives as a clear to pale-yellow liquid. The distillation step sets the profile for low content of related pyrimidine impurities. For those in the pharmaceutical and crop-protection sectors, even minimal contamination causes headaches, so analytical QC gets a heavy emphasis. Our teams test each lot for common side products like 4-methylpyrimidine, and we draw on feedback from clients to continually adapt our process.

    Shipping logistics play an outsize role in product integrity. Our materials management division uses stainless steel or high-grade plastic containers, based on the known stability profile of 2-Methylpyrimidine, which avoids reactivity or leaching issues seen with some aromatic solvents.

    Applications in Industry and Research

    Most volume goes straight to downstream synthesis. 2-Methylpyrimidine serves as a versatile building block for pharmaceutical intermediates, where its methyl group orienting on the pyrimidine ring helps drive regioselective transformations. Usually, researchers and formulators choose this compound for its nucleophilicity, steric characteristics, and the stability it lends to intermediates. One of its standout features, from a synthetic perspective, is its balance between reactivity and selectivity—two aspects that reduce downstream process impurities.

    In real projects, clients most often bring specific needs: a stable heterocyclic scaffold for advanced API intermediates, or an N-containing ring to help bind active ingredients in high-performance agrochemicals. Since the methyl group at the 2-position shifts both electron density and reactivity, it solves challenges that unsubstituted pyrimidine might not address. We often hear from chemists optimizing their routes that 2-Methylpyrimidine forms the linchpin of steps that otherwise underperform with related isomers.

    Beyond high-purity needs, some partners tackle scale-up for pilot plant batches, where kilogram quantities must maintain the same analytical profile as small-scale runs. That expectation for lot-to-lot consistency means our engineers have doubled down on batch recording, in-process testing, and full traceability.

    Why 2-Methylpyrimidine Matters—A View from Manufacturing

    After decades in the business, we've seen how changes at the molecular level ripple through production lines. Getting a methyl group in the right place opens up new downstream chemistry, especially for medicinal and agrochemical clients asking for increased potency or shelf-life. We hear from process chemists who confirm: a mismatch in the position of that methyl group creates obstacles in stepwise synthesis and often brings about time-consuming purification.

    As a manufacturer, we know lab-scale prep differs from full production. Lab-scale batches can tolerate more variation; commercial operations need robust process control. Waste reduction and process yields guide our method development. Our own transition from lab to plant was full of hard-earned lessons—some technical, some logistical. Consistency in crystallization, avoidance of color bodies, and elimination of low-boilers all mattered by the time we scaled to the hundreds of kilograms.

    Safety is not a side concern but built into every batch. Our safety experts prioritize risk assessment from raw material receipt through final packaging, following internationally recognized procedures. Years ago, an unexpected exothermic event at a rival facility underlined that strict thermal and process controls are non-negotiable. We continually invest in automated reaction monitoring and containment infrastructure—decisions made not just for compliance, but because our own experience showed the risk and cost in lost raw materials, reputation, and human health.

    Comparison With Other Pyrimidine Derivatives

    Experienced product developers often ask about the practical differences between 2-Methylpyrimidine and other common pyrimidine derivatives. Unsubstituted pyrimidine shares the same basic skeleton but behaves quite differently in alkylation and coupling reactions due to the absence of the methyl group. That missing methyl leads to less regioselectivity in some routes—something synthetic chemists care deeply about. We've directly observed a significant reduction in by-product formation when customers switch to our 2-Methylpyrimidine for certain Suzuki couplings or N-alkylations.

    4-Methylpyrimidine and 5-methylpyrimidine are sometimes considered alternatives on paper. In practice, our partners have found that substitution at the 2-position locks in a specific electronic distribution on the ring, supporting particular mechanisms in enzymatic or catalytic transformations. Our scale-up trials demonstrated improved solubility for specific end-use applications, and our analytics lab consistently registers reduced formation of side-chain tars compared to neighboring methyl isomers.

    Some industries gravitate toward more heavily substituted pyrimidines, such as 2,4-dimethylpyrimidine. We note an uptick in process complexity and often see yield drops with additional substitutions—a challenge for cost and waste management at scale. Based on our in-house experience, 2-Methylpyrimidine finds the sweet spot between reactivity and workload.

    Quality Challenges and Solutions in Real Production

    Maintaining high purity levels isn’t just a technical bragging point. In practice, even a small increment of aldehydic or phenolic impurities generates problems for both human and environmental health. More than that, some contaminants act as process inhibitors in key downstream pharmaceutical syntheses, killing yields and making process validation more expensive. Our solution draws on nearly continuous quality circles, with monthly reviews of input purity and side-product logs.

    We also rely on feedback-driven process improvement. Field complaints a decade ago centered around trace solvent residues. In response, our technical team upgraded drying measures and adopted low-temp vacuum distillation, which costs more in energy, but our clients now cite zero process downtown caused by residual solvents.

    Transparency on trace impurities sets manufacturers apart from middlemen or traders. Clients with strict foreign regulatory requirements request full impurity profiles, and our in-house analysts respond with detailed data, not cursory summaries. Years of regulatory audits taught us that developing complete documentation cuts project stress and aligns batch acceptance between sites in Asia, Europe, and North America.

    Environmental compliance has shaped our business. Decades back, discharge from pyrimidine synthesis required heavy downstream treatment to meet local and international regulations. Brownfield investments in solvent recycling and aqueous waste processing now see high recovery and reduced chemical oxygen demand even as batch volumes grow. These steps protect our operating license and reflect pressure from clients who want less environmental liability in their supply chains.

    Supporting Innovation Across Industries

    Many who reach out to us seek advice beyond supply. Startups and established players both share process obstacles, and as a team with extensive plant experience, we provide solutions ranging from process debugging to matching analytical requests. In pharmaceutical R&D, the advance of kinase inhibitors and DNA-interactive agents has trended toward more diversified and functionalized pyrimidine cores. Our production chemists work with partners to tailor reaction conditions that suit unique transformation needs, taking care to prevent overalkylation or unwanted ring fragmentation.

    Agricultural chemical developers often look for stability over extended field storage. We’ve optimized packaging and stabilizer choices to prevent discoloration and preserve reactivity, even during transit through extreme temperatures. Our material science team spent years testing container materials for compatibility, ruling out any that leach or react with trace nitrogen heterocycles. This open partnership speeds scale-up and resolves recurring technical issues that would otherwise cost months in project timelines.

    Academic and government researchers sometimes request alternate grades for mechanistic studies. We’ve supported multi-year collaborations, customizing purity or isotopic labels on request, drawing from our bank of standardized procedures and analytical know-how. This ongoing dialogue with the global research community keeps us connected to the latest trends and ensures 2-Methylpyrimidine production remains firmly grounded in practical reality, not just textbook chemistry.

    Meeting Safety and Sustainability Benchmarks

    Direct experience in chemical manufacturing leaves little doubt that worker safety and environmental responsibility matter at least as much as purity specs. Our leadership roots process safety in firsthand knowledge—no shortcut ever finishes fast enough to justify a preventable incident. Routinely, we equip operators with the proper PPE, run regular safety drills, and audit containment systems. Plant upgrades happen after each post-mortem to close any risk gaps, a lesson grounded by past incidents across the industry.

    Waste stewardship forms another pillar of sustainable operation. We invest in closed-loop systems to recover solvents and recycle water from washing steps. Detailed analysis of our own emission data led us to switch thermal oxidizer types and redesign process vents, minimizing environmental impact. Our shift to low-waste process loops required upfront cost, but feedback from our own staff shows higher morale and fewer mishaps with hazardous waste handling.

    Our ongoing sustainability review tracks not just compliance, but social responsibility. By collecting and analyzing supply chain emissions data, we map a course toward future reductions, aligning with industry and governmental sustainability targets. Customers have responded favorably, especially those whose end users demand compliance with increasingly strict environmental regulations.

    Building Partnerships Based on Experience and Trust

    Over years in the specialty chemical sector, we’ve seen waves of change—fluctuations in raw material prices, tighter international controls, new competitive products. Through all that, the most stable ground comes from clear communication and a willingness to share both difficulties and fixes. Trust develops batch after batch, with clients who bring their toughest challenges and partners who value openness over shortcuts.

    As a true manufacturer, we build solutions on daily plant experience, not from sales brochures or secondhand summaries. Each day, we refine chemistry, logistics, and compliance. Through direct customer feedback, regulatory review, and team training, we ensure that 2-Methylpyrimidine meets not only today's requirements but also the future needs of high-growth pharmaceutical, agricultural, and specialty chemical fields.

    We recognize that tomorrow’s breakthroughs depend on today’s best practices. That’s why our factory doors are open for technical audits and collaborative discussions. By sharing our knowledge, we raise the standard across industries and shorten the path from idea to implementation.

    Embodying Quality, Safety, and Progress—Every Batch, Every Day

    2-Methylpyrimidine is more than a line item on a product list. From early research ideas to global-scale plant runs, it shows how expertise, precision, and commitment can make a difference. As a manufacturer who’s spent decades refining the craft, we see every batch as an opportunity to deliver on a promise of quality, support, and reliability.

    Whether refining process chemistry, solving scale-up puzzles, or safeguarding people and the planet, our work with 2-Methylpyrimidine is grounded in hard-won experience. We move forward by listening to our team, our clients, and the ever-changing demands of the industries we serve.

    This is not just a product for us—it’s a piece of a larger story written through decades of learning, collaboration, and progress. Every time a new challenge comes our way, every time a customer needs support, our team rises to meet it, applying lessons from the laboratory and plant floor alike. Through care, integrity, and constant learning, we ensure that 2-Methylpyrimidine remains a foundation for future discovery and better solutions.