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2,4,5,6-Tetraaminopyrimidine

    • Product Name 2,4,5,6-Tetraaminopyrimidine
    • Alias 2,4,5,6-Pyrimidinetetramine
    • Einecs 210-574-8
    • 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

    506860

    Chemical Name 2,4,5,6-Tetraaminopyrimidine
    Molecular Formula C4H8N6
    Molar Mass 140.15 g/mol
    Cas Number 2736-31-6
    Appearance White to off-white powder
    Melting Point Decomposes above 300°C
    Solubility In Water Soluble
    Synonyms 2,4,5,6-Pyrimidinetetramine
    Structure Pyrimidine ring with four amino groups at positions 2, 4, 5, and 6
    Smiles C1(=NC(=NC(=N1)N)N)N
    Inchi InChI=1S/C4H8N6/c5-1-3(7)10-4(8)2(6)9-1/h(NH2,1,3,5,6,7,8,9,10)
    Pubchem Cid 10744407

    As an accredited 2,4,5,6-Tetraaminopyrimidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100g amber glass bottle labeled "2,4,5,6-Tetraaminopyrimidine," sealed, with hazard symbols and detailed handling instructions.
    Shipping 2,4,5,6-Tetraaminopyrimidine should be shipped in tightly sealed containers, protected from moisture and incompatible materials. The package must comply with relevant hazardous material regulations and include appropriate labeling. Handling precautions and safety data should accompany the shipment to ensure safe transportation and storage. Temperature control is recommended to preserve product stability.
    Storage 2,4,5,6-Tetraaminopyrimidine should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, away from incompatible materials such as oxidizing agents and acids. Label the container clearly and store in accordance with local regulations for hazardous chemicals. Always use personal protective equipment when handling.
    Application of 2,4,5,6-Tetraaminopyrimidine

    Applications of 2,4,5,6-Tetraaminopyrimidine in Industrial Manufacturing

    We provide high-purity 2,4,5,6-tetraaminopyrimidine to global manufacturers seeking specialized chemical building blocks for advanced material synthesis. Our products support precise, controlled applications across select industries, with documented real-world use in high-value segments. Below, we detail the principal sectors, processing steps, and industrial parameters where 2,4,5,6-tetraaminopyrimidine serves as a critical intermediate.

    1. Pharmaceutical Intermediate Synthesis

    2,4,5,6-Tetraaminopyrimidine functions as a key intermediate in the multi-step synthesis of complex heterocyclic pharmaceutical compounds, including certain anti-viral and anti-cancer drug candidates. Production lines rely on the compound for pyrimidine-based scaffold assembly via nucleophilic substitution and cyclocondensation reactions under controlled GMP environments. Its high degree of amine functionality promotes efficient derivatization and molecular customization for active pharmaceutical ingredient (API) structures.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapter <1078> Good Manufacturing Practices for Bulk Pharmaceutical Excipients
    • EU GMP Guidelines Part II
    • Chemical Registration per China Pharmaceutical Ingredient Directory (CPID)

    Typical usage ratio

    • Utilization in pharmaceutical synthesis varies from 0.5% to 5% molar ratio, adjusted based on the stoichiometry of the target compound and process efficiency in each intermediate or final reaction step.

    Downstream process integration

    • Direct addition to reactor vessels during stepwise heterocyclic condensation or amination sequences.
    • Optimization phase includes pH and temperature control for high-yield cyclization and reduced byproduct formation.
    • Integrated in automated flow chemical systems for continuous pharmaceutical intermediate production.

    Final product types

    • Synthesized building blocks for anti-neoplastic agents (e.g., cytostatic pyrimidines)
    • Pyrimidine-based anti-viral APIs
    • Pharmaceutical research standards
    • Precursor compounds for cardiovascular therapeutics

    2. Advanced Polymer and Resin Additive Manufacturing

    This diamino-pyrimidine derivative is indispensable for specialty polymer systems requiring high nitrogen content and crosslinkable sites, such as high-performance thermosetting resins. Material formulators use it in controlled ratios to enhance chemical resistance, flame retardancy, and overall durability of engineered plastics. It supports the formation of triazine- and melamine-type network structures in the synthesis of specialty laminates and coatings.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems for Materials Production
    • REACH Annex XVII (European Union Regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals) for allowed monomers and additives
    • UL 94 Standard for Safety of Flammability of Plastic Materials
    • RoHS Directive 2011/65/EU when used in electrical/electronic product resins

    Typical usage ratio

    • Typical additive concentrations are 0.2% to 1.5% by weight, determined by the balance between crosslinking density requirements, viscosity constraints, and flame retardant properties.

    Downstream process integration

    • Pre-mixed into resin bases during resin synthesis or masterbatch preparation, often under controlled inert atmosphere.
    • Introduced at the pre-polymerization stage for thermoset resin systems to facilitate uniform network formation.
    • Batch or continuous blending in solvent or molten phase, followed by curing or extrusion.

    Final product types

    • High-performance laminates for printed circuit boards (PCBs)
    • Flame-retardant epoxy and polyurethane resins
    • Structural adhesives for aerospace and automotive applications
    • Protective industrial coatings and sealants

    3. Dye and Pigment Intermediate Production

    Specialty dye and pigment manufacturers utilize 2,4,5,6-tetraaminopyrimidine as an essential intermediate in the synthesis of cationic and reactive dyes, notably those applied in the coloring of textiles, paper, and specialty inks. Its polyamine structure enables the development of chromophores with strong affinity for cellulose and protein fibers, supporting vivid colorfast shades in demanding end-user environments.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (Textile Dyes safety)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals – Manufacturing Restricted Substances List)
    • REACH Regulation for Dye Intermediate Authorization
    • ISO 1833:2010 Textiles—Quantitative chemical analysis

    Typical usage ratio

    • The intermediate forms 2% to 6% of the total dye precursor mass, with precise dosage determined by the color strength and molecular structure requirements of the target pigment or dye.

    Downstream process integration

    • Introduced in early stages of aromatic substitution and diazotization processes for reactive dye formation.
    • Used in condensation reactions alongside coupling components under controlled pH and temperature regimes in dye houses.
    • Employed within closed reactor systems to maximize yield and minimize unreacted residues.

    Final product types

    • Cationic dyes for acrylic fiber textiles
    • Reactive dyes for cotton, wool, and silk
    • Direct dyes for paper staining
    • Specialty pigments for security inks and markers

    4. Specialty Corrosion Inhibitor Formulations

    Chemical processing and metal treatment industries employ 2,4,5,6-tetraaminopyrimidine in the formulation of high-performance corrosion inhibitor blends. Its multiple amino groups provide effective surface chelation and metal passivation, making it suitable for water treatment systems and acid pickling processes where robust protection of steel and ferrous alloys is critical for operational reliability.

    Industry compliance standards

    • ASTM G31-12a Standard Practice for Laboratory Immersion Corrosion Testing of Metals
    • ISO 8044:2020 Corrosion of metals and alloys—Basic terms and definitions
    • ANSI/NSF Standard 60 Drinking Water Treatment Chemicals—Health Effects (where relevant to potable water systems)
    • REACH Use Authorization for Functional Additives

    Typical usage ratio

    • Often incorporated at 0.1% to 0.5% by weight in concentrated corrosion inhibitor formulations. The specific dosage is controlled based on metal type, water chemistry, and flow conditions.

    Downstream process integration

    • Blended in bulk inhibitor premixes during concentrate manufacturing under nitrogen protection to prevent oxidative degradation.
    • Dosed as part of multi-component corrosion inhibition packages for direct addition to industrial water circuits or pickling baths.
    • Dispersed during closed-loop circulation in plant maintenance shutdown procedures.

    Final product types

    • Closed system water treatment inhibitors
    • Acid pickling corrosion control agents
    • Chemical cleaning agents for pipelines and heat exchangers
    • Metalworking fluid additives for extended tool lifespan

    5. Electronic Chemical Synthesis (Semiconductor Grade)

    Manufacturers of specialty electronic and semiconductor chemicals apply 2,4,5,6-tetraaminopyrimidine in development of advanced functional monomers and etchant stabilizers. Its unique amine-rich structure allows precise tuning of polymer dielectric constants and enhances chemical resistance in integrated circuit fabrication materials. Production adheres to stringent purity and contamination controls to meet microelectronics process requirements.

    Industry compliance standards

    • SEMATECH Standards—Guidelines for Semiconductor Process Chemicals
    • IEC 60749-14:2011 Semiconductor devices – Method for the detection of process-influencing ionic contaminants
    • SEMI C70-0915—Guide for High Purity Chemicals Specifications
    • ISO 14644 Cleanroom Classification

    Typical usage ratio

    • Dosing typically ranges from 0.05% to 0.25% in electronic-grade formulations, with adjustments based on the required film properties and ionic purity constraints.

    Downstream process integration

    • Incorporated during synthesis of functionalized polyimide or polybenzimidazole insulators for wafer fabrication.
    • Added as trace stabilizer to etching baths for copper and aluminum track patterning.
    • Integrated into photoresist developer chemicals for controlled dielectric modification.

    Final product types

    • Low-k dielectric films for advanced packaging substrates
    • Microelectronic-grade etchant solutions
    • Photoresist auxiliary chemicals
    • Specialty coatings for printed semiconductor devices
    Free Quote

    Competitive 2,4,5,6-Tetraaminopyrimidine prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 2,4,5,6-Tetraaminopyrimidine: An Insider’s Perspective

    A Closer Look at 2,4,5,6-Tetraaminopyrimidine

    Over the years, we’ve seen 2,4,5,6-Tetraaminopyrimidine build a reputation as a dependable tool in the hands of chemists and engineers alike. At our own facility, the care and precision we dedicate to its production stem from years of direct handling and customer feedback. This chemical has emerged as a practical building block for industries that value purity, stable supply, and well-documented origins.

    As a raw material, 2,4,5,6-Tetraaminopyrimidine demonstrates rare versatility and reliability. The model we focus on standardizes at a purity well above typical industry averages, measured batch by batch using validated HPLC and NMR methods. Our experience confirms how slight variances in the starting material’s purity can influence performance in demanding applications, and our teams have adapted in-process monitoring protocols accordingly.

    Characteristics Shaped by Real-World Demands

    Our product’s crystalline form delivers better flow and easier handling, even under humid warehouse conditions. Technicians and partners have remarked about the reduced caking and improved dosing accuracy, setting it apart from alternatives that can clump or degrade with time. Moisture and trace-impurity profiles have each been driven down through multiple crystallization cycles—a hands-on adjustment made after listening to research customers struggle with batch inconsistencies from less refined sources.

    Granule size uniformity matters, too. In our experience, slight variations bring headaches, particularly during automated dispensing or when scaling up pilot batches to commercial runs. For this reason, each lot reaches the market after consistent sieving and careful process observations, which help maintain tight particle distribution.

    The model we supply doesn’t deviate from stringently referenced standards. We regularly compare against international references to stay aligned with evolving requirements—both to satisfy regulatory regimes and in response to research shifts. Feedback loops from academic partners and industry clients provide us with a living sense of what enhancements matter most.

    End Uses: A Practical View from the Manufacturing Floor

    Demand for 2,4,5,6-Tetraaminopyrimidine grows year after year, largely due to its unique reactivity profile. Chemists and engineers across pharmaceutical, material science, and specialty pigment sectors come with their own set of problems to solve. We’ve received everything from requests for milligram samples for proof-of-concept research to bulk inquiries from battery developers. In each case, product consistency and traceability play a crucial role in our process.

    Our discussions with medicinal chemistry teams expose the compound’s pivotal role as a precursor in heterocyclic synthesis. Customers frequently share stories of fine-tuning reaction conditions for novel drug scaffolds using our material, and the discussions influence our process design. We adopt trace impurity analysis methods that match the challenges encountered in those labs—detecting even low-level metal catalysts or urea residues that could impact high-sensitivity reactions.

    In pigment and advanced polymer manufacturing, technologists point to another advantage: minimal color contamination and reliable solubility. The product’s pale color reflects not just the absence of colored by-products, but also the rigorous purification workflows we established after customer complaints about other commercial offerings. In these sectors, reproducibility of the final product hinges on every variable—including the consistency of precursors.

    Battery and specialty electronics clients often mention decomposition behavior at elevated temperatures. We share detailed thermal analysis data with interested customers, and whenever users encounter application-specific problems—like unexpected side reactions—we run in-house tests and share findings transparently. Real feedback, often received during urgent troubleshooting calls, drives further improvements in our production and packaging techniques.

    Specifications Built for the User’s Reality

    Our specification sheets reflect more than just generic benchmarks—they grow out of repeat requests and lived experiences. One critical conversation with a polymer manufacturer led us to tighten specifications on residual chloride following a failed batch at their plant. Another exchange with a pharmaceutical formulator exposed the need for lower moisture content to avoid clumping. The challenges and solutions don’t just stay on paper; they influence our day-to-day processes.

    Specifically, our product’s typical assay tests around 99% or higher, based on independent third-party verification as well as in-house control. Water content stays well below 0.5%, monitored in real time using Karl Fischer titration. Heavy metal content, measured by ICP-MS, always faces stricter scrutiny than prevailing standards, especially due to the sensitivity of end applications. These numbers represent real-world needs.

    We learned through direct client feedback that robust documentation and batch-level traceability help build trust. Each shipment leaves our facility with a full certificate of analysis, a practice that originated not from regulatory pressure but from a lab partner’s request for enhanced transparency. Our shipping, storage, and material handling procedures adapt too—sturdy packaging ensures no container failures under challenging transit conditions, which we know from firsthand losses when we relied on subpar suppliers ourselves, years ago.

    How It Differs from Other Pyrimidines and Derivatives

    Those familiar with closely related compounds, such as 2,6-diaminopyrimidine or 2,4,6-triaminopyrimidine, notice clear-cut differences when scaling up. Each additional amine group introduces new opportunities and challenges. In our chemical line, 2,4,5,6-Tetraaminopyrimidine stands out for its heightened reactivity, especially in amination reactions and complex formation. This makes it irreplaceable in procedures that function poorly with fewer amino substitutions.

    Comparing it directly to less substituted pyrimidines reveals differences in solubility profiles and crystallization behaviors. Several polymer engineers reported better compatibility with polar media and superior cross-linking performance. This came to light during on-site trials, where substitution patterns determined outcomes in resin formulations. Careful attention to these unique characteristics has helped us advise customers about which molecule best fits their process—drawing from our firsthand observations across diverse fields.

    From an environmental and safety perspective, the presence of four amino groups does increase the need for careful handling compared to di- or tri-amino analogues. We invested in additional personnel training and enhanced ventilation after reviewing internal risk assessments—and passed this knowledge along to end-users through practical consultations and data exchanges, rather than generic warnings.

    In questions around shelf life and storage, tetraaminopyrimidine holds up especially well against oxidative degradation, compared to less substituted relatives. Direct experience has shown that ample amine content helps stabilize sensitive intermediates bound for further processing. These chemical properties shape not just product choices, but also safe design of downstream workflows.

    Lessons Learned Producing for Demanding Customers

    Producing a chemical like 2,4,5,6-Tetraaminopyrimidine at scale brings daily surprises. Each production campaign benefits from the lessons collected over decades of collaboration. For instance, we initially underestimated the impact of trace hydrazine impurities, only to learn their significance for one customer synthesizing a diagnostic agent. Afterward, we equipped our QC lab with improved detection technology, changing our release criteria and raising product confidence across all applications.

    Night shifts know firsthand how ambient humidity creeps into material unless every stage—extraction, drying, final packing—proceeds in controlled environments. Our adaptive workflows ensure a drier product and consistent performance, born from the requests of contractors and final users who count on year-round reliability. The seasoned operators who run our crystallizers respond to unexpected process upsets with practical fixes, informed by years at the controls, rather than following checklists alone.

    Most research partners prefer open lines of communication, which foster innovation on both sides. There’s give and take: a laboratory supplies a challenging requirement, and our production team tinkers with process parameters until a suitable product emerges. The back-and-forth refines both process and product specification, cementing a mutual dependence that improves outcomes far outside the factory gates.

    Opportunities and Unmet Needs in Application Development

    Application trends change quickly, driven by both advances in fundamental chemistry and practical pressure for cost-effective alternatives. Over the last five years, sustainable manufacturing and green chemistry targets pushed us to re-evaluate solvents and by-product recovery systems. Keeping solvents out of the waste stream and minimizing emissions grew out of both customer prodding and our own commitment to safer operations. Every kilogram reclaimed from the process means lower costs, fewer regulatory headaches, and better public perception—not just an improved sustainability story.

    Some innovators persistently chase new uses. Recently, battery component suppliers contacted us about purity thresholds far above prevailing standards. These discussions led us to tweak purification routes, despite the extra expense, and to establish dedicated lines for sensitive industries. Collaborations like these allow us to keep growing our technical expertise alongside our product line.

    Many in the pharmaceutical world look for newer, more versatile pyrimidines to streamline multi-step syntheses. 2,4,5,6-Tetraaminopyrimidine simplifies parts of their workflow, having four amino groups ready for further functionalization. The chemical’s high reactivity shortens routes or enables previously unfeasible reactions. Formulators who work with us often request custom particle sizes or specialized drying techniques, proving how essential it is not to treat each batch as a commodity, but as a tailored solution borne of first-hand manufacturing know-how.

    Some hurdles remain. Large-scale polymer developers want cheaper, safer alternatives to classical cross-linking agents. In their feedback sessions, we find that while our product matches technical performance, cost per kilo still lags behind certain cheaper formulations. In response, our ongoing investments focus on increasing reactor yields, lowering utility consumption, and automating repetitive tasks—transforming operational improvements into savings we then share with customers.

    Building Confidence: Traceability and Accountability

    Our own perspective as producers breeds a level of responsibility that doesn’t translate easily to third-party sellers. Each drum or bottle represents months of planning, oversight, and care at each stage—procurement, synthesis, quality control, and shipping. Orders destined for critical applications prompt a full review of in-process controls, and any deviation instigates actionable root-cause analysis. Experienced chemists and operators, rather than detached quality managers, investigate concerns and implement correctives, drawing on immediate hands-on context.

    Users working under rigorous regulatory or quality systems appreciate having a direct connection to the origin of their material. We see fewer documentation gaps, faster troubleshooting, and a more robust sense of trust when there’s no intermediary diluting information. This transparency keeps all parties informed and ensures that the compound never leaves the production floor without meeting the real specifications demanded by users—whether for a pilot run, approved drug application, or industrial-scale production.

    As a manufacturer, we field questions about everything from packaging shelf-life to compatibility with niche solvents to interactions with exotic catalysts. Open communication, born from production-side knowledge, leads to answers grounded in daily experience—things like observed behavior under variable storage, or firsthand accounts of successful or failed application trials. We don’t hide behind generic literature but engage candidly, based on what actually works.

    Future Prospects and Ongoing Commitments

    The landscape shifts rapidly, pushed by stricter regulations, evolving application demands, and broader sustainability goals. Producers aware of these shifts take steps to adapt raw material choices, improve containment systems, and enhance energy efficiency. At our plant, recent upgrades include process automation, which has not only improved product consistency but also paved the way for faster scale-up of custom requests.

    We see more demanding regulatory filings from pharmaceutical and advanced materials sectors. These customers look for deeper trace metal analysis, full audit trails, and validated cleaning processes. Our workflows evolve to answer these demands, with updated validation equipment and a focus on continuous operator training. Each improvement translates into better service and higher-quality product landing on the customer's loading dock.

    Industry segments asking the toughest questions—such as those pursuing next-generation functional materials or green-tech breakthroughs—tend to push us beyond traditional comfort zones. Open collaboration and honesty about limitations or successes enrich the entire ecosystem. Our role extends beyond simply making chemicals—we act as guides, troubleshooters, and partners through each new application test.

    Experience continues to shape our approach to 2,4,5,6-Tetraaminopyrimidine production. Meaningful change comes directly from the practical world of customers, supply chain partners, and our own operators. Continuous investment in process improvements, quality infrastructure, and environmental safeguards ensures that tomorrow’s product will respond to the evolving needs of our partners. Every conversation, process adjustment, and lesson learned stands behind the quality and reliability we deliver.