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2-Amino-4,6-Dichloropyrimidine

    • Product Name 2-Amino-4,6-Dichloropyrimidine
    • Alias 2,4,6-Dichloropyrimidin-2-amine
    • Einecs 221-588-7
    • 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

    504087

    Chemical Name 2-Amino-4,6-Dichloropyrimidine
    Cas Number 56-05-3
    Molecular Formula C4H3Cl2N3
    Molecular Weight 164.00 g/mol
    Appearance White to light beige crystalline powder
    Melting Point 242-246°C
    Solubility In Water Slightly soluble
    Density 1.6 g/cm³ (approximate)
    Purity Typically ≥98%
    Storage Conditions Store in a cool, dry place
    Smiles C1=NC(=NC(=C1Cl)N)Cl
    Inchi InChI=1S/C4H3Cl2N3/c5-2-1-8-4(7)9-3(2)6

    As an accredited 2-Amino-4,6-Dichloropyrimidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 100g quantity of 2-Amino-4,6-Dichloropyrimidine is packaged in a sealed amber glass bottle, labeled with hazard and product information.
    Shipping 2-Amino-4,6-Dichloropyrimidine is shipped in tightly sealed containers to prevent moisture and contamination. It is classified as a chemical reagent and should be handled in accordance with local regulations. Transport typically requires labeling compliant with hazard communication standards and protection from physical damage, heat, or direct sunlight during transit.
    Storage 2-Amino-4,6-Dichloropyrimidine should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from sources of ignition and incompatible substances (such as strong oxidizers). Protect from moisture and direct sunlight. Ensure proper labeling, and store at room temperature. Follow all local, state, and federal regulations for storing hazardous chemicals.
    Application of 2-Amino-4,6-Dichloropyrimidine

    Applications of 2-Amino-4,6-Dichloropyrimidine in Industrial Manufacturing

    2-Amino-4,6-Dichloropyrimidine supports high-value synthesis in agrochemical, pharmaceutical, and material science sectors. As a specialized heterocyclic intermediate, it provides a reactive scaffold used across multiple reaction stages in regulated industrial pipelines. Below, we list its principal application scenarios with technical integration details.

    1. Agrochemical Active Ingredient Synthesis

    In crop protection development, this pyrimidine derivative acts as a key intermediate during the creation of triazine and pyrimidine-based herbicides. Its substitution profile enables targeted ring functionalization during chlorination, amination, or sulfonation steps for optimal field activity. Production teams add it in the early synthesis phase of selective pre- and post-emergence herbicides, streamlining multi-step reaction schemes while maintaining traceability under stringent regulatory controls.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009
    • US EPA Pesticide Registration Standards
    • China GB 2763 Maximum Residue Limits

    Typical usage ratio

    • Input ratio at 0.15–0.7 molar equivalents per target heterocycle, adjusted based on desired active group loading and process scale

    Downstream process integration

    • Introduced during the heterocycle build-out stage in multi-step batch or continuous reactors, upstream of chlorination or alkylation modules

    Final product types

    • Triazine herbicides (e.g., atrazine-type products)
    • Novel broad-spectrum pyrimidine-based agrochemicals
    • Pre-emergent weed control agents

    2. Pharmaceutical Intermediate for Antiviral and Anticancer Drugs

    This compound is integral in producing substituted pyrimidine pharmaceutical cores, particularly in the synthesis of small-molecule antiviral nucleosides and anticancer APIs. Synthesis teams rely on its reactive chlorine sites for nucleophilic substitution, facilitating efficient construction of pharmacologically active scaffolds under GMP protocols. Its precise reactivity allows for consistent batch reproducibility, supporting registration and scale-up requirements for fine chemical pharma supply.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for APIs
    • USP/NF and Ph. Eur. monograph compliance where applicable
    • US FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • China Drug Master File (DMF) Filing Standards

    Typical usage ratio

    • 0.20–0.35 molar equivalents per advanced intermediate, adjusted for specific substitution pattern and downstream optimization

    Downstream process integration

    • Charged during nucleophilic aromatic substitution step or as a protected intermediate en route to nucleoside or anticancer structures

    Final product types

    • Antiviral drug intermediates (e.g., tenofovir intermediates)
    • Anticancer pyrimidine analogues
    • Nucleoside analog pharmaceutical substances

    3. Dye and Pigment Intermediate for High-Performance Colorants

    Manufacturers of specialty dyes and pigments turn to this dichlorinated pyrimidine as a core building block for constructing heat-stable pigments and specialty colorants. Its electronic structure promotes ring closure and functional group substitutions, delivering unique chromophore properties and long-term durability in finished colorant batches. Integration occurs in controlled synthesis environments to anchor purity and particle homogeneity.

    Industry compliance standards

    • EU REACH Regulation 1907/2006
    • ISO 9001:2015 Quality Management System (Production of Dyes and Pigments)
    • ETAD ECO Compliance (for textile applications)

    Typical usage ratio

    • Typically 3–12% (w/w) relative to total reactants, modulated by desired color strength and pigment grain size requirements

    Downstream process integration

    • Added at the cyclization or condensation stage during pigment core formation, with subsequent isolation in filtration or spray-drying units

    Final product types

    • Pyrimidine-based azo dyes
    • High-temperature resistant pigments for coatings
    • Polymer-compatible colorants

    4. Electronic Materials: Liquid Crystal Intermediate

    In the field of advanced display materials, this compound provides electronic precursor properties essential to the synthesis of highly ordered liquid crystal materials. Producers leverage its dichloropyrimidine skeleton for substitution reactions that result in smectic or nematic liquid crystalline molecules, used in precision displays and specialty optical films. These manufacturing steps require material consistency and trace analysis at every stage.

    Industry compliance standards

    • IEC 62321 Restricted Substances Testing
    • RoHS Directive 2011/65/EU
    • ISO 14001 Environmental Management (applied in emitter material supply)

    Typical usage ratio

    • 0.05–0.17 molar equivalents, varied based on molecular alignment and end-use temperature tolerance

    Downstream process integration

    • Incorporated at substitution or cross-coupling stage before purification and thin-film alignment procedures

    Final product types

    • Liquid crystal monomers for displays
    • Optoelectronic film additives
    • Specialty aligners for LCD and OLED panels

    5. Veterinary Pharmaceutical Synthesis

    Animal health product manufacturers use this heterocycle as an input material to generate pyrimidine-based veterinary intermediates, supporting synthesis of compounds for antiparasitic and antimicrobial drug families. The controlled reactivity at the 2-amino and di-chloro positions allows precise introduction of bioactive side chains, regulated by veterinary drug authorities for batch certification and residue control.

    Industry compliance standards

    • VICH GL3 Good Manufacturing Practices for Veterinary Products
    • US FDA CVM Guidance for Industry
    • Ph. Eur. Veterinary APIs Specifications

    Typical usage ratio

    • 0.10–0.30 molar equivalents per target veterinary intermediate, tailored to efficacy and species-specific metabolite profiles

    Downstream process integration

    • Engaged mid-stage, for constructing the base scaffold during multi-step synthesis of antiparasitic actives

    Final product types

    • Pyrimidine-derived veterinary APIs
    • Broad-spectrum antiparasitic agent precursors
    • Animal-use antimicrobial substance intermediates
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    Certification & Compliance
    More Introduction

    2-Amino-4,6-Dichloropyrimidine: Direct from the Manufacturer’s Floor

    Dynamic Utility in Chemical Synthesis

    At our plant, 2-Amino-4,6-Dichloropyrimidine stands apart as both a reliable building block and a workhorse for advanced organic synthesis. This compound shows its worth in everyday lab routines as well as in large-scale fresh product development. The pyrimidine ring in this material—rigid and electron-deficient—offers the backbone for dozens of active pharmaceutical ingredients and agrochemical compounds now making a mark across several industries. You’ll usually find this material with an assay of at least 98%, clean and uniform from batch to batch, composed of fine pale yellow to off-white crystalline powder. Moisture content and impurity levels demand continuous monitoring; for us, these details are never afterthoughts but points of pride, grounded in years of experience facing demanding customer audits and regulatory reviews.

    Why Pyrimidine Derivatives Remain Core to R&D

    Chemists who push the boundaries of drug discovery recognize 2-Amino-4,6-Dichloropyrimidine as a productive choice for building up molecular complexity. The amino group at position 2 and the chlorine atoms at positions 4 and 6 open multiple routes for further derivatization—whether customers want to add alkoxy groups, construct more complex heterocycles, or work up analogues for proprietary research. The dichloro substitution pattern increases reactivity for nucleophilic aromatic substitution, letting specialists attach side chains cleanly with decent yields. After decades working alongside process chemists and formulation teams, we understand the silent pressures they face: secure a robust synthetic route, slash unneeded steps, get consistent raw materials year after year. Reliable pyrimidine intermediates like this one have become part of the foundations that support those daily victories in laboratories and pilot plants.

    The Manufacturer’s Perspective: From Synthesis to Packing

    Running a manufacturing line for 2-Amino-4,6-Dichloropyrimidine takes discipline. Sourcing pure, uncontaminated raw materials matters as much as precision in every batch step. Most production cycles here run on condensed batch protocols using chlorinated precursors and ammonia-based reagents at controlled temperatures, balancing yield and purity without introducing lingering by-products. Every operator on our floor checks more than just conformity to specifications. They bring firsthand knowledge of safe handling, proper storage, and how fluctuations in input quality can impact the big picture. We keep batch records with detailed step yields and analytical signatures, reflecting years of hard-earned trust with regulatory agencies and global customers. For us, there’s no room for shortcuts: each shipment reflects our name, reputation, and the exacting expectations of professionals who rely on these ingredients daily.

    Real-World Applications Across Industries

    Demand for 2-Amino-4,6-Dichloropyrimidine filters in from drug discovery teams, agricultural innovation groups, and dye synthesis experts who want a sturdy starting material. In pharmaceuticals, it often serves as a precursor to anti-viral, anti-malarial, and anti-cancer agents. Generation of pyrimidine-based kinase inhibitors can hinge on the purity and reliability of this intermediate. Agrochemical researchers use it as a scaffold for developing new fungicides and herbicides, exploiting the molecule’s tunable electronic characteristics. Specialty chemical engineers in pigment manufacturing also value the ring’s stability when crafting vivid dye molecules. The ultimate use varies widely, but the need for predictable performance never wavers. Issues like unanticipated impurity profiles or inconsistent melting points can throw research off track, leading to costly delays and lost productivity. Our in-house teams train to watch for shifting trends in these sectors, helping anticipate customer questions and stay one step ahead in a competitive market.

    What Sets This Compound Apart

    Not every pyrimidine intermediate reacts with the same clean versatility as 2-Amino-4,6-Dichloropyrimidine. Compounds with different halogen patterns—for example, mono-chlorinated or tri-chlorinated pyrimidines—tend to suffer from reduced selectivity or create harder-to-control side reactions. Alternative aminopyrimidines lacking chlorine groups usually struggle with lower electrophilicity, making selective substitution more challenging. Years spent troubleshooting process upsets and testing competitors’ materials have shown us: even small deviations in ring substitution can cascade into far-reaching problems like poor reactivity, by-product formation, or unpredictable solubility. In our experience, the 4,6-dichloro motif offers a unique balance: strong enough to activate the ring towards further chemical change, but not so unstable that storage, shipping, or handling become problematic.

    Meeting the Highest Purity and Reproducibility Standards

    Customers working on patent-protected compounds or developing regulated products demand not just high content but trustworthy reproducibility. Our analysts run each batch through QC steps emphasizing HPLC, GC, and NMR. Purity isn’t negotiable when minor additives or new process contaminants threaten to jeopardize years of work in formulation labs. Variations in melting point or trace solvent residues, even at levels considered “acceptable” elsewhere, often trigger immediate concern when end applications might later face scrutiny from health or environmental agencies. We carry samples forward for accelerated aging and forced degradation studies, logging every quality result for years—because we’ve lived through regulatory dawn raids, surprise audits, and the pressure of scaling up new routes under the glare of outside experts.

    Quality from Sourcing to Delivery

    Raw material sourcing shapes every aspect of finished product quality. We invest in deep relationships with supply partners, qualifying not just direct vendors but sub-supplier mills and chemical handlers. Seasonal variability in raw chlorinated pyrimidines, for instance, alters impurity loads and can disrupt otherwise predictable batch records. We filter every lot for heavy metals and volatile impurities. Our crews run hands-on filter-press and crystallization work, so each drum and bag leaving the site reflects the same batch-to-batch consistency customers have come to expect over decades, not just quarters. Longstanding buyers know our operators and have walked the line themselves, creating a feedback loop that drives both product quality and honesty about technical limits.

    Built-In Compliance and Sustainable Practices

    Living through the last decade’s environmental shifts, we know the impact even small leaks or fugitive emissions can have downstream. Our exhaust scrubbers, waste minimization, and solvent recovery standards reflect hard lessons—from both regulators and our own community. Each Operating Procedure revision includes sustainability checks against outside benchmarks. As chemical manufacturers, we deal with every aspect of the waste streams that come with complex pyrimidine routes. Our safety drills aren’t for show; they come from actual incidents solved through teamwork. The same hands that measure, clean, and pack the product monitor every reaction for off-spec trends, so problems become addressed before they exit the plant.

    Open Communication with Researchers and Buyers

    Our open-door tradition means technical managers and product handlers field feedback directly from the scientists and procurement specialists using our materials. We regularly find ourselves troubleshooting unfamiliar solubility quirks, advising on synthetic routes, or offering strategies for large-scale purification. Some discovery teams want finer mesh sizing, while pilot plants need kilo-scale drums with anti-static liners. Fast, honest communication keeps delays to a minimum, sidesteps speculation, and ensures each stakeholder knows exactly what arrives in their shipment. Even as regulatory regimes tighten, our priority stays the same: clear, direct support that reflects real-world expertise.

    Improving Handling, Storage, and Shelf Life

    Many buyers run lean storage and can’t afford spoilage or lost potency. Air and moisture handling present real risks in some environments. Over time, we’ve fine-tuned packaging materials and drum closures for 2-Amino-4,6-Dichloropyrimidine, preventing caking and preserving storage stability. Our teams prefer triple-layer liners or nitrogen-purged sealed drums, limiting trace hydrolysis and eliminating atmospheric oxidation. Every production lot includes a retested storage sample, backing customer confidence with long-term stability data gathered firsthand—not just literature claims or overseas anecdotes.

    Learning from Common Problems in the Field

    Smaller producers or inexperienced suppliers often overlook secondary features. Some batches from less established firms carry insoluble bits, off-spec color, or fail to match declared melting points. These subtle differences can spell disaster for multi-step syntheses—troubles our troubleshooting team sees more than we’d like. Customers who switch sources without careful qualification sometimes face irreproducible results, higher purification costs, or make-do workarounds that aren’t sustainable at scale. We’ve learned to hold deep technical reviews with both returning and first-time customers, identifying not only intended uses but possible side reaction risks and downstream processing needs.

    Making a Difference through Real-World Support

    We don’t stop at product delivery; ongoing support has made the difference for customers weathering regulatory shocks or batch failures. Personal experience with scale-up projects means we advise on not only optimal solvent choices or purification tips but also documentation habits and record-keeping that help customers through tough registration hurdles. Analytical service labs provide structure confirmations using independently calibrated NMR and mass spectrometry, building trust not just through paperwork but through repeatable, hands-on measurements. Information flows both ways: updates from customers regularly improve our own protocols and occasionally spark new approaches in batch synthesis or drying practices.

    Tackling the Next Set of Challenges

    Our environment demands more attention to traceability, reduced solvent usage, and sustainable chemistry year on year. The routine pressure to keep costs reasonable never subsides. Global events can upend raw material sourcing overnight, or force new shipping safety protocols that make routine deliveries a challenge. In response, our teams proactively invest in process intensification, greener solvents, and energy-saving equipment that trim batch costs while protecting safety and environmental performance. For sophisticated customers exploring 2-Amino-4,6-Dichloropyrimidine as a jumping-off point for unique analogues, our willingness to pilot new approaches—never just copy old procedures—remains crucial.

    Looking Beyond Standard Practices: Precision and Innovation

    Each chemical producer faces moments where routine isn’t enough—a new target molecule, a tighter regulatory threshold, an unexpected impurity that resists the usual removal tricks. Our staff doesn’t learn formulas by rote; they develop judgment by handling hundreds of variations, adjusting parameters on the fly, and seeing the effect of small changes in temperature or pH first-hand. That cumulative learning shows in the confidence researchers place in our intermediates. With seasoned technical teams, we take pride in thinking through tough process development questions long before the first kilogram is packed.

    The Manufacturer’s Voice in the Global Marketplace

    Competition for quality, speed, and innovation intensifies every year. Production outsourcing, currency fluctuations, and raw material shortages combine to ratchet up risk and uncertainty. We face these challenges head on—not by cutting corners or outsourcing critical steps, but by reinforcing in-house training, continuing equipment upgrades, and sharing direct experience with the scientific community. We’ve seen new markets emerge, older products decline, and regulatory shifts force quick pivots. Those who survive and grow in this business earn their reputation through reliability, expertise, and a deep technical understanding of the molecules they make.

    Conclusion: The Human Element at the Center of Every Batch

    Producing top-tier 2-Amino-4,6-Dichloropyrimidine never happens by accident. Every successful batch relies on hands-on expertise, careful supplier management, and a culture that rewards speaking up about problems rather than smoothing them over. By keeping material science, regulatory knowledge, and real communication between lab, plant, and customer alive, we’re set to support not only today’s R&D but tomorrow’s breakthroughs. Customers know they’re working with a team that sees beyond technical bullet points, standing ready to troubleshoot, innovate, and deliver true value in every shipment.