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2-Amino-4,6-Dibromopyrimidine

    • Product Name 2-Amino-4,6-Dibromopyrimidine
    • Alias 2,4,6-Dibromopyrimidin-2-amine
    • Einecs 252-134-3
    • 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

    739155

    Chemicalname 2-Amino-4,6-Dibromopyrimidine
    Casnumber 3934-20-1
    Molecularformula C4H3Br2N3
    Molecularweight 267.90
    Appearance Off-white to light brown solid
    Meltingpoint 183-186°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥ 98%
    Density 2.39 g/cm³
    Smiles C1=NC(=NC(=C1Br)N)Br
    Inchi InChI=1S/C4H3Br2N3/c5-2-1-8-4(7)9-3(2)6/h1H,(H2,7,8,9)

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

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    Application of 2-Amino-4,6-Dibromopyrimidine

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

    Our manufacturing processes ensure the consistent purity and traceability of 2-Amino-4,6-Dibromopyrimidine supplied for industrial use. This pyrimidine derivative serves as a key intermediate for specialty synthesis in several downstream sectors, where its chemical structure supports precise functionalization in high-value end products. Below, we outline verified industrial application scenarios, each defined by distinctive technical requirements, standards, and output expectations.

    1. Pharmaceutical Intermediates for Non-Steroidal Anti-Inflammatory Drug (NSAID) Synthesis

    Pharmaceutical ingredient manufacturers incorporate this pyrimidine derivative in the multi-stage synthesis of specific NSAID molecules where a dibromo-substituted heterocyclic backbone is essential. Integration occurs at the early intermediate stage, where controlled bromination patterns influence subsequent amination and ring-closure steps, directly impacting the selectivity and bioactivity of the final API. Quality compliance, batch reproducibility, and trace-level impurity monitoring are strictly enforced throughout the process.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP for API: EudraLex Volume 4
    • US FDA 21 CFR Part 210/211 for pharmaceutical processing
    • USP, EP, or JP pharmacopoeial reference standards for related compounds

    Typical usage ratio

    • Stoichiometric quantities, generally 0.9–1.2 equivalents relative to target intermediate; exact input ratio depends on the desired di-substitution pattern and batch size adjustments for waste minimization

    Downstream process integration

    • Charged to stirred reactor during Stage 2 block, before nucleophilic amination step; consumed fully as limiting reagent before chromatographic purification

    Final product types

    • Bulk intermediates for ethyl pyrimidine-carboxylates
    • Ring-substituted NSAID precursor compounds exported for final formulation
    • Custom anti-inflammatory medication APIs for branded and generic markets

    2. Agrochemical Synthesis: Herbicide and Fungicide Building Block

    Producers of crop protection active substances use 2-Amino-4,6-Dibromopyrimidine as a scaffold in proprietary herbicide and fungicide development, leveraging its dibromo functional groups to create active molecules resistant to environmental degradation. The material is introduced into routes requiring high substrate specificity, enabling the stepwise attachment of bioactive side chains through amination and condensation reactions. Regulatory toxicology and environmental release limits tightly govern its use within the sector.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 17025 for in-process analytical validation
    • EU Regulation (EC) No 1107/2009 on plant protection products
    • REACH (EC) No 1907/2006 for chemical safety and traceability

    Typical usage ratio

    • 0.5–1.5 equivalents relative to total batch; adjusted according to required molecule load and downstream purification constraints

    Downstream process integration

    • Added during targeted halogenation–amination sequence in pilot reactors, with subsequent coupling to aryl/alkyl chains under controlled conditions

    Final product types

    • Pyrimidine-based active substances for pre- and post-emergence herbicides
    • Systemic grain fungicide intermediates
    • Crop-specific protection agents with dibrominated heterocyclic cores

    3. Electronic Chemicals: Specialty OLED and Organic Semiconductor Precursor

    Materials science firms incorporate this dibromopyrimidine as a functional core for the synthesis of hole-transport and electron-transport components in organic electronics, including organic light-emitting diodes (OLEDs) and thin-film transistors. The defined halogenation pattern permits precise cross-coupling reactions, delivering advanced conjugated systems for device engineering. End-user specifications require rigorous material traceability and electronic-grade impurity controls.

    Industry compliance standards

    • IEC 60747-1 for semiconductor devices: general reliability and safety
    • JEDEC JESD22 for organic device material reliability
    • RoHS Directive 2011/65/EU on hazardous substances in electronic equipment
    • Customer-specific electronic chemical purity protocols (≤99.5% major content)

    Typical usage ratio

    • 0.8–1.0 equivalents in Suzuki, Stille, or Buchwald–Hartwig coupling steps, matched to functionalization targets and polymer chain length endpoints

    Downstream process integration

    • Introduced into reactor during monomer synthesis or polymer chain initiation; acts as a double-site coupling component in high-purity batches

    Final product types

    • OLED emitter and transport layer materials
    • Organic thin-film transistor precursors
    • Performance polymers for flexible electronic displays

    4. Dye and Pigment Intermediate for Specialty Colorants

    Industrial dyestuff manufacturers utilize this pyrimidine analog in the construction of brominated azo and anthraquinone dyes, exploiting its electron-withdrawing capabilities to modulate chromophore stability and lightfastness. Feed incorporation occurs during intermediate condensation or cyclization reactions, enabling final control over color hue and bath stability tailored to textile, ink, and technical application requirements. Regulatory pigment safety and environmental discharge rules apply at multiple stages.

    Industry compliance standards

    • OEKO-TEX Standard 100 for dyes and colorants in textiles
    • EN 71-3 for heavy metal limits in pigments
    • REACH Annex XVII restriction compliance on aromatic amines
    • ZDHC MRSL (Manufacturing Restricted Substances List) for dyehouse implementation

    Typical usage ratio

    • 0.1–0.3 parts per 1 part of chromogenic aromatic compound; adjusted for shade depth and process yield targets

    Downstream process integration

    • Dosed to condensation vessel during azo or anthraquinone core construction stage, followed by coupling/substitution with other dye agents for final product formulation

    Final product types

    • Brominated reactive dyes for textile fiber application
    • Specialty pigment intermediates for inkjet and industrial inks
    • Color-stable dispersions for technical coatings
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    More Introduction

    Introducing 2-Amino-4,6-Dibromopyrimidine: Supporting Reliable Synthesis in Modern Chemistry

    Essential Building Block for Advanced Research

    Anyone who has spent time in a chemical research lab knows how important it is to have reliable reagents on hand. 2-Amino-4,6-Dibromopyrimidine is one of those straightforward, under-the-radar compounds that does a lot of heavy lifting behind the scenes. Chemists notice its usefulness in creating diverse classes of heterocyclic molecules—compounds that serve as backbones for many pharmaceutical and agrochemical agents. This compound, with its clear white to off-white crystalline form, helps streamline syntheses thanks to predictable reactivity and the structural versatility offered by its dibromo substitution pattern. The presence of both amino and bromine groups on the pyrimidine ring opens up several synthetic pathways, giving researchers plenty of room to build new molecules from a stable starting point.

    Model, Purity, and Practical Decisions in the Lab

    In practice, you see 2-Amino-4,6-Dibromopyrimidine sold with a typical purity of 98% or higher. Lab scientists get used to expecting this level of consistency. The model number or catalog identifier often appears, but the chemists know the quality matters far more than the number printed on a bottle. Modest water solubility and good stability under room temperature storage make this compound a familiar sight in most synthetic labs. You don’t have to wrestle with tricky conditions or short shelf-lives, so workflow moves along smoothly. From firsthand experience, having reagents that stay powdery and pure for months saves time, hassle, and precious grant money. Compared to analogues that break down or react with moisture, this one holds up better in real-world storage and transport conditions.

    How Do Chemists Use 2-Amino-4,6-Dibromopyrimidine?

    In the big picture, this compound works best when you want to introduce substitution selectively onto the pyrimidine core. The two bromine atoms at the 4 and 6 positions make nucleophilic aromatic substitution reactions straightforward. If you’re trying to attach new groups to these positions, the bromines leave cleanly, paving the way for a broad range of functional groups to be slotted into place. The amino group at the 2-position, for its part, brings extra reactivity so you can make more complex derivatives down the line. A lot of modern synthetic methods rely on scaffolds like this to save time and sidestep tedious protection and deprotection steps. For example, chemists synthesizing kinase inhibitors or antiviral agents often turn to dibrominated pyrimidines like this one as a starting point because of how easy it is to modify and elaborate.

    Reliability, Accessibility, and Safety

    Consistency really stands out as the biggest benefit. In research settings, unpredictable or variable quality ruins timelines and budgets, which every scientist worries about. With high-purity material, the risk of side products spoiling a reaction shrinks. Most commercial suppliers make sure the compound is dry, fine, and ready to weigh straight from the jar. Because 2-Amino-4,6-Dibromopyrimidine doesn’t have major volatility or hazardous decomposition at room temperature, standard lab safety procedures—gloves, goggles, and a fume hood—cover most use cases. It’s not so sensitive that small mistakes mean expensive contamination, so you can trust it to stay clean if stored well. Chemists who’ve had to scrape spoiled powder from less stable analogues appreciate this straightforward behavior.

    Standing Apart from Other Halogenated Pyrimidines

    People often ask how this compound compares to close relatives—maybe other dibrominated pyrimidines with substitutions at different positions, or compounds sporting chlorine or fluorine atoms instead. In reality, the dibromo pattern at the 4 and 6 positions provides a handy balance: bromine atoms offer stronger leaving group ability than chlorine (making substitutions easier and cleaner), yet they’re less expensive than more exotic halogens like iodine. For reactions where speed and yield matter, this pays off. Chloro analogues tend to resist substitution, dragging out reactions and sometimes forcing higher temperatures or more aggressive reagents. Dibromopyrimidines also open up cross-coupling chemistry—those reliable Suzuki or Buchwald–Hartwig couplings—where both reaction reliability and broad compatibility cut down on failed experiments.

    Serving Medicinal, Agrochemical, and Materials Chemistry

    Long days in medicinal chemistry or agrochemical labs rely on compounds like 2-Amino-4,6-Dibromopyrimidine to anchor quick explorations across chemical space. There’s often pressure to generate libraries of related molecules fast. The dibromopyrimidine core provides easy access to a range of derivatives. Medicinal chemists tend to value scaffolds that minimize synthetic steps and handle a variety of functional groups without unwanted side products. In my own work, we found this material can trim weeks off campaign timelines, since substitution proceeds smoothly and you can push to the next step without elaborate purifications. Modern crop protection agents, too, draw on these heterocyclic systems to bring disease resistance and better yields.

    Environmental Impact and Considerations for Handling

    While halogenated organics sometimes get flagged for persistence in the environment, 2-Amino-4,6-Dibromopyrimidine doesn’t appear on major watchlists or restricted substance guidelines. Waste handling still demands care—responsible chemists make sure unused residues and rinse solutions hit proper hazardous waste streams. Blind disposal down the drain or in general lab trash never passes muster. Research shows that while small-scale use poses minimal direct risk, large operations sourcing bulk quantities should keep an eye on local waste regulations to avoid issues.

    How Labs Decide Between Options

    Chemists don’t pick a reagent just because it’s available. Each lab pushes for materials that save time, offer predictably high yields, and limit surprises during synthesis. Dibrominated pyrimidines like this one pull ahead of alternatives if you want to skip laborious optimization. When using less reactive cores (monobrominated or chlorinated pyrimidines), yields drop or side-products creep in, and endless tweaking becomes the norm. With 2-Amino-4,6-Dibromopyrimidine, the learning curve is flatter—so students and experienced researchers alike settle into productive routines faster.

    Costs and Long-Term Value

    Budget decisions matter for both academic and industrial teams. Price comparisons, in my experience, show that although dibrominated starting materials cost slightly more than simple unhalogenated pyrimidines, the jump covers itself by removing extra purification steps and delivering consistent results. Waste drops because you aren’t tossing batches ruined by persistent side reactions. Raw supply costs—often seen as a pinch point—end up balanced by much smoother project timelines and higher overall yields.

    Advances in Synthetic Chemistry Supported by This Product

    In modern synthesis, there’s constant movement toward more sustainable, catalytic processes. The bromo substituents in 2-Amino-4,6-Dibromopyrimidine fit well with palladium-catalyzed couplings and offer a gateway into complex, high-value molecules. Academic literature across Europe, North America, and Asia highlights dozens of syntheses where dibromopyrimidines shave days or even weeks off existing synthetic routes. The direct attachment of different aryl or alkyl groups opens up rapid exploration in hit-to-lead projects common in the pharmaceutical industry. In my years of running academic screens, the difference in reliability adds up—fewer failed reactions, more straightforward work-ups, and happier team members around the bench.

    Bringing Down Barriers to Innovation

    Sometimes, less experienced team members feel nervous handling tricky reagents or tackling new transformations. Having a standard, forgiving reagent removes an entire layer of anxiety from the process. Over my career, bringing 2-Amino-4,6-Dibromopyrimidine into student workshops meant newer researchers could focus on learning instead of recovering from failed attempts. The lack of harsh odors, limited dusting, and general stability all translate to a smoother hands-on experience. You don’t waste time tracking down odd sources of contamination or troubleshooting capricious stalling during reactions.

    What Makes This Compound a Favorite?

    The reason for this compound’s popularity comes down to trust. When you’re spending hours or days on multi-step syntheses, reliability is everything. Diaries of graduate students are full of reactions that fell short because a core building block didn’t deliver as expected. With 2-Amino-4,6-Dibromopyrimidine, the results are steady batch to batch. You see the same fine off-white powder, the same crisp melting point, and the same clear spectra on NMR. These little details make the daily grind that much easier, and it’s one fewer thing to lose sleep over as the project deadline looms.

    Addressing Supply Chain Challenges

    Recent years have brought sharp focus to the fragility of lab supply chains. Researchers remember too many instances of delayed deliveries and backordered materials. Thankfully, 2-Amino-4,6-Dibromopyrimidine typically remains available from multiple major suppliers. Plenty of chemical companies produce this compound by straightforward bromination and amination of pyrimidine precursors, so the risk of a single-point bottleneck stays low. In practice, if one source runs out, others step in to fill the gap. Having access to material within a week or two means projects don’t grind to a halt, and researchers keep momentum across key deadlines.

    Potential for Future Applications

    Given rapid advances in drug discovery and agricultural technology, new routes to heterocyclic systems pop up all the time. This compound’s core structure lends itself to expansion into new classes of kinase inhibitors, anti-tumor agents, and next-generation crop fungicides. Its adaptability supports not just tried-and-true methods, but also experimental approaches that could uncover even more efficient or sustainable syntheses. As machine learning and computer-guided retrosynthesis sweep through the chemical sciences, the need for proven, versatile building blocks like this one looks set to endure.

    Reducing Waste and Increasing Green Chemistry Options

    Chemists always juggle pressure to minimize solvents, reduce toxic byproducts, and work with renewable materials. 2-Amino-4,6-Dibromopyrimidine fits well in greener synthesis pathways because its high reactivity limits side products and allows for milder conditions. Using less aggressive reagents improves worker safety and shrinks the environmental footprint. In my own group’s experiments, we found that using this compound meant less overall solvent use than with chloro analogues, with cleaner reaction profiles and less head-scratching at the purification step. These real-life gains move beyond abstract green chemistry metrics and actually improve day-to-day lab practice.

    Strategic Considerations for Purchase and Storage

    A well-equipped lab always keeps key reagents in stock. 2-Amino-4,6-Dibromopyrimidine stores easily in sealed amber glass under dry air. High batch-to-batch consistency means teams don’t expend extra hours checking purity every time a new shipment arrives. The compound resists caking or clumping on the shelf, which everyone appreciates during a late-night synthesis push. Small details—such as a resealable bottle that doesn’t shed powder everywhere—end up making a difference for both safety and morale. Every experienced chemist values any reduction in daily annoyances that lets them focus on the actual science.

    Common Issues and Troubleshooting Advice

    Those new to working with halogenated pyrimidines often run into issues with poorly handled analogues that degrade in humidity or form stubborn lumps. 2-Amino-4,6-Dibromopyrimidine rarely presents these headaches if stored carefully in a dry environment. Static cling sometimes arises during winter, so weighing in a grounded area or using an anti-static brush helps. Reactions run cleanly given standard dry solvents and mild heating—no need to wrangle excessive bases or catalysts to get full conversion. These details may sound small, but they stack up to big time-savings over a few projects.

    Factoring in Regulatory and Supply Trends

    With global chemical regulations growing stricter by the year, labs keep an eye on supply chain documentation. Trusted sources routinely provide purity data and transparency about trace contaminants. 2-Amino-4,6-Dibromopyrimidine seldom includes unwanted residual solvents or heavy metals, showing up in analytical testing close to label claims and meeting internal quality control without issue. Across the US, EU, and East Asian markets, the paperwork trails look solid, making compliance easier for teams facing external audits. In a regulatory environment full of unexpected hiccups, this reliability builds confidence among procurement staff and research directors alike.

    Supporting Education and Real-World Skill Building

    Academic institutions seek affordable, easy-to-handle reagents for teaching and training programs. Over the years, many undergraduate labs and research groups adopted 2-Amino-4,6-Dibromopyrimidine as a standard for practical classes in aromatic substitution, cross-coupling, and heterocyclic synthesis. Students work with real reagents, observing authentic chemical transformations under responsible supervision. The blend of safety, stability, and responsiveness gives beginning chemists a positive introduction to complex organic chemistry skills and builds confidence for more advanced projects. Access to reliable materials goes a long way toward closing the gap between textbook learning and hands-on research accomplishments.

    Feedback from Researchers and Industry Professionals

    Feedback from academic, industrial, and regulatory chemists converges on a few common points. High reliability, minimal batch variation, fair shelf life, and ready compatibility with established synthetic methods repeatedly show up on user surveys and technical presentations. Compared with more temperamental or exotic alternatives, 2-Amino-4,6-Dibromopyrimidine scores well for both cost and utility. In informal discussions, people appreciate the reduced need for repeated troubleshooting and the ability to tackle diverse projects using one familiar reagent. These details may not grab headlines, but they matter day after day in practical laboratory work.

    Looking Forward: Meeting Tomorrow’s Synthetic Needs

    Tomorrow’s synthetic challenges grow more complex, so core building blocks need to deliver flexibility across untested reactions. Researchers trust 2-Amino-4,6-Dibromopyrimidine because it upholds high standards for stability and reactivity; the compound’s track record stretches back through decades of medicinal and materials chemistry. Blending reliability with adaptability, it helps chemical innovators meet evolving demands—whether that means new drugs, safer agrochemicals, or discoveries we haven’t thought up yet. At every level, from first-year student to senior project leader, this compound helps advance creative work and pushes the boundaries of what’s possible in the lab.