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2,4,6-Triaminopyrimidine

    • Product Name 2,4,6-Triaminopyrimidine
    • Alias 2,4,6-Triaminopyrimidine trihydrochloride
    • Einecs 211-876-7
    • 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

    809579

    Name 2,4,6-Triaminopyrimidine
    Chemical Formula C4H7N5
    Molecular Weight 125.13 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 234-236 °C
    Solubility In Water Soluble
    Boiling Point Decomposes before boiling
    Cas Number 1004-39-3
    Density 1.55 g/cm³
    Pka Approximately 6.9
    Iupac Name Pyrimidine-2,4,6-triamine
    Storage Conditions Store at 2-8 °C, in a dry place

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

    Packing & Storage
    Packing A 100g white plastic bottle labeled "2,4,6-Triaminopyrimidine," features chemical formula, hazard symbols, and manufacturer details for laboratory use.
    Shipping 2,4,6-Triaminopyrimidine is shipped in sealed containers, protected from moisture and incompatible substances. It should be handled as a potential irritant, with appropriate labeling and documentation per regulations. During transit, temperature and handling precautions are observed to ensure stability and safety, complying with relevant chemical transport standards.
    Storage 2,4,6-Triaminopyrimidine should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Protect the chemical from moisture and direct sunlight. Label the container clearly and keep it in a designated chemical storage cabinet, following all relevant safety regulations and guidelines.
    Application of 2,4,6-Triaminopyrimidine

    Applications of 2,4,6-Triaminopyrimidine in Industrial Manufacturing

    As a direct manufacturer, we supply 2,4,6-Triaminopyrimidine to key sectors where this intermediate plays a role in enabling engineered formulations and cost-efficient production. Our technical expertise ensures secure supply and consistent batch quality for customers operating advanced chemical processes at scale. Below, we outline the principal industrial applications where 2,4,6-Triaminopyrimidine is used with defined regulatory, formulation, processing, and end-product profiles.

    1. Synthesis of Pharmaceutical Intermediates

    Many multinational and regional pharmaceutical companies integrate 2,4,6-Triaminopyrimidine into multi-step synthesis protocols for active pharmaceutical ingredients (APIs) within the antiviral, antineoplastic, and anti-inflammatory categories. Its primary amine functionality serves as a nucleophile in heterocycle ring formation and side-chain modifications. Compliance with ICH Q7 GMP manufacturing and local pharmacopoeias is mandatory throughout the supply chain. Compounders fine-tune input ratios (often 0.2–1.5 equivalents vs. coupling partners) according to target molecule and reaction yield optimization. 2,4,6-Triaminopyrimidine is typically charged directly to condensations or cyclization reactors prior to purification steps such as recrystallization or chromatography. Downstream, the manufactured APIs undergo formulation into finished dosage forms, primarily oral tablets and injectables.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP) standards
    • European Pharmacopoeia (Ph. Eur.) monographs for APIs incorporating pyrimidine structures
    • FDA regulations for API synthesis and quality control

    Typical usage ratio

    • 0.2–1.5 molar equivalents in heterocycle-forming or side-chain condensation steps, adjusted by proprietary synthesis route and molecular target

    Downstream process integration

    • Direct addition into the key intermediate synthetic step, typically as a reagent in batch or continuous flow reactors, followed by downstream purification

    Final product types

    • Finished API crystals (e.g., pyrimidine-based antivirals, cytostatics, and anti-inflammatories)
    • Oral solid dose pharmaceuticals (film-coated tablets, capsules)
    • Parenteral formulations (injectables in vials or ampoules)

    2. High-Performance Polymeric Resin Manufacturing

    Leading producers of high-temperature thermoset resins use 2,4,6-Triaminopyrimidine as a cross-linking agent or hardener during the manufacture of specialty epoxy and polyimide systems. In these applications, regulatory focus centers on compliance with global chemical control laws and the monitoring of residuals in the final product. Usage rates generally range from 2% to 10% by weight compared to the base resin, with proportions tailored to balance cure kinetics and mechanical strength. This compound is metered into resin blending reactors during the prepolymer stage or as a curing additive, preceding casting or molding. The resulting composite materials and molded resin parts are specified for aerospace, automotive, and microelectronics assemblies requiring high thermal stability.

    Industry compliance standards

    • REACH Regulation (EU) No 1907/2006 registration and SVHC traceability
    • RoHS directive for electronic components (as applicable to end-use)
    • ASTM D1655 (Epoxy Resin Standard Methods)
    • UL 94 (Flammability safety for plastics, relevant for electronics applications)

    Typical usage ratio

    • 2–10 wt.% relative to base resin in hardener or cross-linker blend; exact proportion determined by desired cure time and end-use performance requirements

    Downstream process integration

    • Incorporation during prepolymer formation or as a curing agent in batch blending; subsequent molding, casting, or lamination with base polymers

    Final product types

    • Thermoset composite panels for aerospace and automotive uses
    • Encapsulation materials for semiconductors and circuit boards
    • High-temperature resistant adhesives
    • Machinable high-performance resin blocks and molded components

    3. Specialty Agrochemical Synthesis

    Agrochemical companies synthesize select pyrimidine-derived herbicides, fungicides, and plant growth regulators using 2,4,6-Triaminopyrimidine as a nucleophilic coupling partner or scaffold precursor. Production must meet national pesticide ingredient regulations and relevant FAO/WHO technical specifications. Typical input ratios fall between 0.8 and 1.2 molar equivalents based on the downstream target compound and process route selected for high yield and purity. Manufacturers add this intermediate in the first or second step of the active ingredient synthesis, following strict process controls for impurity profiling and environmental safety. The resulting active compounds are incorporated into formulated crop protection products, such as suspension concentrates and emulsifiable concentrates.

    Industry compliance standards

    • FAO/WHO specifications for technical active substances
    • European Union Regulation (EC) No 1107/2009 (Plant Protection Products)
    • US EPA registration and CFR Title 40 requirements for agrochemical active ingredients
    • REACH registration for active chemical intermediates

    Typical usage ratio

    • 0.8–1.2 molar equivalents as nucleus-forming reagent; usage level set according to downstream synthesis efficiency and minimization of byproducts

    Downstream process integration

    • Feedstock to heterocyclic coupling stage in agrochemical API synthesis; present in multistep batch processes with controlled temperature and pH adjustment

    Final product types

    • Herbicidal and fungicidal technical concentrates (bulk active ingredients)
    • Formulated liquid and wettable powder pesticide products
    • Plant growth regulators used in field crop and horticultural applications

    4. Corrosion Inhibitor Formulation for Industrial Water Systems

    Industrial water treatment companies incorporate 2,4,6-Triaminopyrimidine derivatives as chelating or barrier-forming agents in corrosion inhibitor blends for closed-loop and process water systems. These applications demand adherence to water and environmental safety standards, alongside customer-specific industrial codes. The material is typically included at 0.5%–2% based on total inhibitor formulation weight, with actual proportion optimized to system water chemistry and exposure temperature. Compounders add it during the liquid blending or dispersant make-up stages, with full dissolution facilitated by controlled pH adjustment. This additive contributes to the performance of finished corrosion protection chemicals used by facility operators in turbines, heat exchangers, and recirculating cooling lines.

    Industry compliance standards

    • ISO 9001 Quality Management Systems for chemical manufacture
    • ASTM D1384 (Corrosion Test for Inhibitors in Engine Coolants)
    • ASME standard guidelines for industrial water treatment chemicals
    • Relevant REACH and TSCA registry for process additive components

    Typical usage ratio

    • 0.5–2 wt.% in total corrosion inhibitor formulation, fine-tuned for system scaling, water quality, and compatibility with co-additives

    Downstream process integration

    • Liquid phase blending under controlled pH; post-blend filtration and quality assurance testing prior to bulk packaging

    Final product types

    • Multi-component corrosion inhibitor blends for industrial cooling and heating circuits
    • Finished chemicals for closed water loops in power plants, refineries, and large-scale HVAC systems
    • Packaged maintenance fluids supplied to equipment service contractors and OEM system operators

    5. Catalyst Precursor for Heterogeneous Catalysis

    Chemical producers utilize 2,4,6-Triaminopyrimidine in the preparation of modified support surfaces and ligand frameworks for transition metal catalysts employed in fine chemical and polymerization processes. Operations must observe environmental and occupational safety standards governing catalyst manufacture. Usage typically ranges from 0.1 to 1 wt.% relative to support matrix, precisely dosed to balance active site density and catalyst lifetime. The compound is impregnated on carrier materials or used for atomically dispersed ligand assembly steps, prior to final calcination or reduction treatments. End-use catalysts serve in continuous reactors for bulk chemical production, including amination, dehydrogenation, and polymerization reactions where enhanced selectivity or productivity is required.

    Industry compliance standards

    • ISO 14001 Environmental Management for catalyst production sites
    • Process safety requirements under OSHA Process Safety Management (PSM)
    • National ambient air quality and effluent discharge standards (operational waste control)
    • REACH/TSCA substance notification for non-consumable catalyst agents

    Typical usage ratio

    • 0.1–1 wt.% depending on support type and targeted surface chemistry; proportion determined by required active site density and expected regeneration cycle

    Downstream process integration

    • Preparation by liquid-phase impregnation or covalent attachment onto catalyst carriers during pre-treatment, prior to calcination or reduction

    Final product types

    • Modified heterogeneous catalysts for fine chemical synthesis reactors
    • Supported catalyst assemblies used in polymerization and amination
    • High-selectivity process catalysts for bulk and specialty chemical manufacture
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    Certification & Compliance
    More Introduction

    Introducing 2,4,6-Triaminopyrimidine: Our Perspective as a Manufacturer

    Understanding the Value of 2,4,6-Triaminopyrimidine in the Chemical Industry

    As a chemical manufacturer deeply invested in the development and refinement of specialty heterocyclic compounds, we have seen 2,4,6-Triaminopyrimidine become increasingly important across several domains. The compound, identifiable by its consistent CAS number and distinct molecular structure—C4H7N5—serves as a cornerstone for synthesis routes in modern chemical production. Unlike some widely available aminopyrimidine derivatives, this product features three primary amine substitutions at the 2, 4, and 6 positions on the pyrimidine ring, providing a foundation for both reactivity and versatility in application. Its molecular formula defines a tightly knit structure, leading to excellent nucleophilic character, which directly impacts success in downstream processes.

    From our vantage point, production and handling of 2,4,6-Triaminopyrimidine require experience and discipline. Through refining our processes, we keep impurities like mono- and diamino byproducts at extremely low levels. Our quality control methods rely on advanced HPLC and NMR protocols, so users can expect solid batch-to-batch consistency. The product often appears as a white to slightly off-white crystalline powder, with a melting point high enough to withstand standard manufacturing conditions without degradation. Many synthetic chemists have remarked that the high purity grade enables selective transformations and minimizes troubleshooting caused by trace contaminants.

    Specifications Built from Experience

    Each batch of our 2,4,6-Triaminopyrimidine undergoes rigorous final inspections on particle size, residual solvent, and water content. Over many years, we found some methods produced material with a slight yellow tint when exposure to air and humidity was not controlled; we modified packaging and air handling onsite to protect product color and integrity. Purity levels exceed 98.5% by most current analytical standards, with trace heavy metals and organics well below international regulatory limits. This care makes the compound easier to incorporate into critical reaction sequences—reducing rework and increasing yield.

    Customers often approach us with questions about reproducibility across lots. We use redundant batch records and real-time monitoring to document each synthesis campaign. By drawing on our operational history, we know that reproducibility is not simply a buzzword, but a commitment made to those who rely on the chemical for their own advanced research and production lines. Feedback from long-term partners helped us understand what to watch for—not only purity, but also powder flow, ease of weighing, and solubility in both polar and non-polar solvents.

    Applications Shaped by Real-World Demand

    In the world of specialty chemicals, the applications of 2,4,6-Triaminopyrimidine follow a unique path. One of the first uses our clients identified involved the construction of bioactive intermediates, especially for pharmaceutical and agrochemical development. The three amino group positions create unique opportunities for regioselective substitution, ring closure, or coupling reactions, making it a sought-after building block. We have seen the compound serve as a starting material for synthesizing herbicidal and anti-infective agents. Its strong nucleophilicity sets it apart from monaminopyrimidines or those limited to a single reactive site.

    Further downstream, some research teams work with this compound to generate ligands for metal coordination complexes. In catalysis, high-purity tri-aminopyrimidine gives reliable performance as a precursor. The molecule’s rigidity and geometry allow complex assembly processes, making it a bridge for layered structures, chelating agents, and even dyes. Some university groups use it as a core scaffold for new heterocycle families, probing biological properties or chemical transformation behaviors. They emphasize the value in having absolutely no residual acidic or basic contaminants, as even small deviations lead to inconsistent results in precision assays.

    Over time, we noticed an uptick in materials science interest. Solution-based and solid–state chemists started seeking this product for the assembly of advanced polymers, flame-retardant systems, and functional coatings. Polycondensation reactions operate more efficiently, due in large part to the uniform distribution of amino groups, enhancing crosslinking behavior. Product managers in these sectors appreciate our stability controls, recognizing that batch-to-batch variation in amine content can lead to costly downtime in pilot-scale material development.

    How 2,4,6-Triaminopyrimidine Differs From Its Chemical Cousins

    We regularly receive inquiries asking for a comparison between our product and other aminopyrimidines or general heterocyclic amines. The three-fold amination motif is the defining feature. Monoaminopyrimidine does not deliver the same set of chemical levers, as the single amino group limits both chemical complexity and achievable substitution patterns. Diaminopyrimidine offers some flexibility, but chemists working at the interface of synthetic and industrial chemistry often prefer the complete set of functional sites available in our tri-aminated product.

    Manufacturing controls also come into play. Not every source invests in process cleaning steps, nor do all guarantee freedom from isomeric contamination. We designed our isolation and dry-down to prevent co-crystallization or residual salt formation. This specificity matters when analytical teams demand a clean mass spectrum or consistent NMR signal without background interference. Powdered product, once properly isolated, packs more efficiently and offers less dustiness than some of the flakier or hygroscopic derivatives sold in the industry. Over the years, end users have shared stories with us about failed syntheses using generic sources—which prompted us to adopt much tighter control points.

    Solubility also distinguishes our product. Triaminopyrimidine dissolves more readily in aqueous and some non-aqueous solvents compared to the tetra- and penta-amino analogs, which tend to clump or change phase. This widens the toolbox for process chemists who routinely shift between solvent systems in research labs or manufacturing environments. Furthermore, our powder passes strict filterability tests, essential for automated or semi-batch flow operations, keeping plant productivity predictable day after day.

    Toward Practical Solutions and Reliability

    As a manufacturer, reliability has meaning that runs deeper than batch records and technical bulletins. We have spent years listening directly to researchers, line managers, and technical directors who have made clear what distinguishes a dependable chemical supplier from the rest. Process reproducibility, stable supply, and genuine transparency remain at the center of their expectations. We invested in redundancy for both supply chain and critical raw materials—so that researchers do not face unforeseen pauses. Over time, we refined container types and storage recommendations based on feedback from customers located in climates ranging from humid coastal cities to arid inland research parks. Our packaging now defends against both moisture and light, keeping degradation minimal even during longer shipping times.

    Shipping to distant markets brought new lessons, especially when logistical or regulatory changes forced us to re-examine everything from labeling accuracy to customs documentation. Through routine consultation with regulatory bodies and transport partners, we keep documentation and hazard labeling both up to date and compliant with international safety standards. We have never regarded these practices as paperwork: in the chemical world, small mistakes at this stage can disrupt the work of hundreds of professionals relying on timely and unambiguous information.

    Beyond logistics, technical support creates long-term confidence for users. Our technical liaisons and in-house chemists consult closely with process engineers and research leaders, reviewing feedback and helping diagnose issues—not only with our own batches, but occasionally with competing products, when clients ask for a second opinion. This open channel has shined a light on evolving needs: tighter impurity specs, support for analytical method transfer, and real-world troubleshooting for scale-up failures. We encourage open communication, because deeper dialogue can prevent small-scale issues from becoming larger manufacturing disruptions.

    Commitment to Sustainability and Safety in Production

    Environmental, health, and safety commitments have become non-negotiable in modern chemical production. From day one, we designed our facility to minimize emissions, recycle solvents, and recover byproducts where feasible. Our approach stems from direct discussions with downstream users, many of whom must document sustainability practices in their own reports. Where possible, we phase in green chemistry alternatives, targeting lower waste generation and energy inputs during synthesis and purification.

    On the shop floor, worker training takes priority. Each production technician receives hands-on instruction not just on equipment, but also on safe handling, spill response, and first-aid protocols unique to triamines and related aromatic compounds. Occasional equipment upgrades, for instance, to explosion-proof motors or secondary containment, come in response to evolving real-world needs. Regular drills and transparent incident reporting ensure preparedness and a strong safety culture—making our facility a safer place for both workers and the products they craft.

    Disposal questions often arise from both new and veteran customers. The stable composition of 2,4,6-Triaminopyrimidine reduces the formation of corrosive or persistent breakdown products. We advise users on disposal channels compliant with local and national regulations, drawing on examples and clarifications from our own site audits and those performed by responsible government agencies. In pursuit of transparency, we gladly share non-proprietary details about effluent management and waste minimization achievements, supporting our partners in meeting their own compliance and reporting goals.

    Quality Assurance as Learned through Practice

    In-house quality control laboratories operate as the backbone of our reputation. Routine validation of test methods—ranging from FT-IR and HPLC to melting point and Karl Fischer titration—creates the data foundation on which researchers depend. We engage in proficiency trials both as an internal measure and in cooperation with independent laboratories, which fosters trust and provides objective feedback about areas needing improvement. Real events left a mark on our procedures: an unexpected chromatographic impurity caught during a regular trend analysis, for example, led to a small process change and ultimately a better, more robust product.

    Certifications are not simply formalities to us: we support multiple international audits from both customers and regulatory authorities. It takes time and persistent effort to maintain this record, but we have seen firsthand that early attention to quality prevents repeated investigations at the user’s site. Alongside ISO certification and adherence to GMP-like practices, we maintain internal tracking of trending markets and customer requirements, ensuring that each modification to our manufacturing route reflects both regulatory expectations and practical challenges brought to light by our long-term clients.

    Some clients pursue highly specialized applications, requiring tailored specification envelopes. Our response leans on flexibility within reason—fine-tuning particle size, adjusting drying protocols, or supporting unique sampling requirements when justified by sound technical reasoning. Examples range from adapting to high-throughput screening in pharmaceutical pipelines to supporting pilot plant scale-up for new polymers targeted at electronic substrates. We do not consider it extra work, but a fundamental part of sustaining meaningful partnerships.

    Looking Forward: The Growing Role of 2,4,6-Triaminopyrimidine

    Today, demand for chemicals capable of supporting rapid research and development continues to grow. We see our product as a part of this momentum—both supporting established discovery teams and encouraging new innovation. Over the years, we have witnessed patterns shift across laboratory, pilot, and full-scale production, tracking advancements in medicinal chemistry, advanced materials, and agricultural technology. Staying responsive means planning proactively, informed as much by open communication from the field as by published industry forecasts.

    Our direct observations tell us that companies expect more than a simple purchase; they look for a manufacturing partner who listens to their changing needs, ensures uninterrupted access to quality materials, and supports the advancement of science. Through creating our own methods, responding to feedback, and collaborating with end users on technical issues, we create a product and service structure that adapts to new research directions and regulatory expectations.

    Every kilogram of 2,4,6-Triaminopyrimidine that leaves our site represents a meeting point of science, experience, and continuous improvement. Having invested heavily in reliable supply lines, QC, and sustainability, our company aims to remain a trusted manufacturer. Feedback, collected during plant tours, conference sessions, and routine orders, carries significant weight in our evolution. Constant contact with those putting this compound to work in laboratories and production scales alike keeps our focus on solving real problems, not simply satisfying minimal benchmarks.

    We remain committed to producing 2,4,6-Triaminopyrimidine with rigor, attention to detail, and an openness to challenge and change. With the combined expertise of our chemists, engineers, and partners across the industry, the compound’s future holds promise—not just as another specialty chemical, but as a vital tool for discovery and progress. Our story with this molecule grows with each batch, and we look forward to supporting the scientists and innovators who will shape what comes next.