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Formamidin Hydrobromide

    • Product Name Formamidin Hydrobromide
    • Alias Formamidine hydrobromide
    • Einecs 214-673-3
    • 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
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    Specifications

    HS Code

    510906

    Product Name Formamidin Hydrobromide
    Cas Number 18347-63-6
    Molecular Formula CH5N3·HBr
    Molecular Weight 124.98 g/mol
    Chemical Structure H2NCH=NH·HBr
    Appearance White to off-white crystalline powder
    Solubility Soluble in water
    Melting Point 171-175°C
    Storage Conditions Store at room temperature, keep container tightly closed
    Synonyms Formamidine hydrobromide
    Purity Typically ≥98%
    Boiling Point Decomposes before boiling
    Ph Value Approximately 5-7 (in aqueous solution)
    Ec Number 242-011-5

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

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    Application of Formamidin Hydrobromide

    Applications of Formamidin Hydrobromide in Industrial Manufacturing

    Formamidin hydrobromide serves specialized functions in advanced chemical synthesis, pharmaceutical intermediates, and material manufacturing. As a direct producer, we supply high-purity raw material for critical process steps within tightly regulated sectors. The following sections outline key downstream industrial applications based on current market needs and established production practices.

    1. Synthesis of Antiviral Pharmaceutical Intermediates

    Formamidin hydrobromide acts as a crucial intermediate in the multi-step synthesis of antiviral drug precursors, specifically as a reagent in guanidine group introduction. In commercial pharmaceutical processes, it enables stepwise functionalization via nucleophilic substitution, reacting with halogenated intermediates to provide the core structure for antiviral APIs (Active Pharmaceutical Ingredients). Large-scale manufacturers rely on it for batch and continuous production where traceability and quality consistency determine regulatory approval and export eligibility.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU Regulation No 536/2014 on clinical trial manufacturing
    • United States Pharmacopeia (USP) for intermediate specification if used in US-bound products
    • CFDA (China Food and Drug Administration) registered pharmaceutical API guidelines

    Typical usage ratio

    • 1.1 – 1.4 molar equivalents relative to the halogenated aromatic substrate
    • Ratio may increase to 1.5 equivalents to drive complete conversion, adjusted by reaction yield and impurity profile
    • Pilot and validation batches often use slight excess to ensure regulatory-compliant impurity levels

    Downstream process integration

    • Added after initial halogenation or activation of the aromatic/heterocyclic system
    • Dissolved in polar organic solvent (e.g., DMF or DMSO) at controlled temperature under nitrogen atmosphere
    • Reaction monitored by HPLC to reach target conversion, then quenched and purified via recrystallization or column chromatography

    Final product types

    • Antiviral drug intermediates (e.g., guanidine-based API precursors)
    • Finished antiviral medicines for the US, EU, and Asian hospital/retail markets
    • Multistep-synthesized nucleoside analogues and guanidinium-containing actives
    • Intermediates for veterinary antiviral formulations

    2. Heterocyclic Compound Manufacture for Agrochemical Synthesis

    Manufacturers of advanced agrochemicals employ formamidin hydrobromide for introducing guanidine functionalities into pyrimidine, triazine, and related heterocycles. This reaction step is essential for generating ring-closed herbicide and fungicide building blocks. The material must meet stringent impurity and water content specifications to prevent downstream catalyst poisoning and side reactions. Its consistent reactivity improves process reliability for large volume, multi-ton batch production.

    Industry compliance standards

    • ISO 9001:2015 certified agrochemical production facility standards
    • FAO/WHO Technical Standards for Pesticide Specifications
    • REACH Regulation (EC) No 1907/2006 for substances produced or imported into the EU
    • China National Standard GB 2763 for maximum residue limits in export scenarios

    Typical usage ratio

    • 1.0 – 1.2 molar equivalents based on target heterocyclic core quantity
    • Excess in continuous processes up to 1.3 equivalents to compensate for in-line losses
    • Adjusted according to end-use herbicide/fungicide product grade requirements

    Downstream process integration

    • Added to reactor after formation of primary chloro or amine precursor
    • Operates in solvent medium (e.g., ethanol/water mixtures) with temperature control at 40–70°C
    • Final guanidination step prior to formulation, followed by base/acid quench and solid-liquid separation

    Final product types

    • Pyrimidinium herbicide actives
    • Guanidino-triazine fungicidal intermediates
    • Technical grade agrochemical active ingredients
    • Seed coating and soil treatment additives containing functionalized heterocycles

    3. Organic Conductive Material Precursors (Electronics Chemicals)

    In the electronics industry, chemical companies utilize formamidin hydrobromide as a source of guanidine groups for the controlled modification of organic semiconductors, including polymeric materials for OLEDs and conductive films. This compound allows targeted chemical modification under tightly managed conditions, contributing to high-performance materials used in display and flexible circuit manufacturing. Precise stoichiometry and low metal impurity content are crucial to meet downstream electrical performance and yield criteria.

    Industry compliance standards

    • IEC 61249-2-21 for halogen-free electronic material standards
    • RoHS Directive (2011/65/EU) compliance for hazardous material limits
    • ISO 9001:2015 for electronics-grade chemical manufacturing
    • UL 94 flammability rating consideration in downstream process

    Typical usage ratio

    • 0.95 – 1.1 molar equivalents for functional polymer modification
    • Adjusted based on targeted weight percent of guanidine group in conductive layer (usually 4–8% by weight in final blend)
    • Lower excess recommended to avoid waste and achieve tight batch-to-batch electrical property control

    Downstream process integration

    • Added during late-stage organic precursor synthesis, following polymerization or oligomer formation
    • Reaction occurs in high-purity solvent under inert conditions at 30–50°C
    • Subsequent solvent recovery, filtration, and drying to maintain low ionic contamination in the electronic material

    Final product types

    • OLED emission or conduction layer components
    • Conductive polymer films for displays and flexible printed circuits
    • Electrostatic discharge coatings
    • Specialty antistatic additives for microelectronic assembly

    4. Chemical Research and Analytical Standards Synthesis

    Academic and industrial research laboratories use formamidin hydrobromide as a high-purity reagent for controlled guanidination reactions. It enters reference synthesis protocols to create analytical standards and structure-activity relationship (SAR) test compounds in R&D settings. Consistent particle size and documented trace impurity levels are required for reproducibility in reference materials, spectrum calibration samples, and analytical test kit preparation.

    Industry compliance standards

    • ISO/IEC 17025 Laboratory Accreditation for chemical analysis
    • Analytical reagent grade (AR) or ACS reagent standard, when specified
    • GLP (Good Laboratory Practice) protocols in regulated research projects
    • Material traceability according to laboratory quality systems

    Typical usage ratio

    • 1:1 stoichiometry in small-scale syntheses for SAR test panels
    • Reagent excess (up to 1.2 equivalents) when rapid completion and minimal side product formation are preferred
    • Calculated on a per-reaction basis for analytical method development, depending on analyte and required sample scale

    Downstream process integration

    • Weighed and introduced into reaction vessel after formation of analytical target substrate
    • Dissolved in dry, high-purity solvents (e.g., acetonitrile, methanol), followed by monitored heating or stirring
    • Yield and structure confirmed by NMR, HPLC, and/or MS, with residue removed by vacuum evaporation

    Final product types

    • Certified reference materials for calibration curves
    • Guanidine-derivative SAR compounds
    • Analytical standards for method validation
    • High-purity test samples for spectroscopic studies
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    More Introduction

    Formamidin Hydrobromide: Practical Chemistry for Demanding Applications

    Reliable, Versatile, and Trusted in Synthesis

    Clear choices make work easier in the lab, and Formamidin Hydrobromide stands out for hands-on researchers who want dependable results and simple handling. This crystalline solid, often recognized by its model number, Formula NH=CHNH2·HBr, has carved out its own spot in both organic synthesis and specialty manufacturing. I remember the first time I worked with it – the chunky white crystals poured easily, and there wasn't any unpleasant odor lingering in the lab. Details like this matter when you’re planning multi-step syntheses or managing sensitive reactions.

    Formamidin Hydrobromide brings a degree of reliability to the bench. Its chemical structure gives it a role as a core building block for chemists working on heterocyclic compounds, pharmaceuticals, and agricultural research. The compound dissolves efficiently in water and alcohol, and that makes it even more attractive for applications demanding solubility. Over the years, I’ve watched colleagues reach for Formamidin Hydrobromide when setting up experiments that call for a clean formation of amidines or guanidines, especially in research environments that reward both speed and purity.

    A Closer Look at Formamidin Hydrobromide’s Real-World Advantages

    Once, while preparing a bench-scale synthesis of biologically active compounds, I realized just how much time goes into managing impure or inconsistent raw materials. Formamidin Hydrobromide eases some of that burden. Its relatively high purity, typically available above 98 percent, lets you skip extra purification steps and move straight to the chemistry that counts. Anyone who has ever spent extra hours with column chromatography knows the value of that. And, with its melting range sitting comfortably in the lab environment, there’s less risk of thermal breakdown during routine handling.

    The practical difference becomes clear when you compare Formamidin Hydrobromide to alternatives like Formamidine hydrochloride or unsubstituted guanidines. Each salt changes how the compound behaves in different solvents or with various reagents. I found that the hydrobromide version tends to be easier to weigh and manage, both in terms of moisture absorption and stability during storage. Other salts can clump or degrade over time; these small factors save on frustration and avoid repeated experiments. A simple, sturdy bottle of Formamidin Hydrobromide in the stockroom means less downtime waiting for a shipment of fresh material.

    Efficiency in Organic Synthesis

    In pharmaceutical research, consistent material saves projects. One of the long-standing uses for Formamidin Hydrobromide sits in its role as a precursor for several antiviral and chemotherapeutic agents. The structure allows nucleophilic substitutions and cyclizations leading to imidazole, triazole, and purine rings. Drug discovery work often hinges on subtle details in reagent choice. Substituting inferior materials or less compatible salts can introduce complications at crucial steps—impurities may creep in, reactions drag or fail, and yields shrink to near nothing.

    A few years back, I joined a project challenging the scale-up of a nucleoside analog. I saw firsthand the headaches that came with switching suppliers or swapping out reagents. Using Formamidin Hydrobromide, the reactions ran as planned, requiring less adjustment in pH or solvent changes. The batch-to-batch consistency kept pilot runs on schedule and regulatory reports clean and straightforward. This kind of reliability, built over countless production cycles, often makes or breaks a candidate’s chances of making it to the next trial phase.

    Precision in Agricultural and Biochemical R&D

    Plant protection and crop yield improvements demand robust intermediates. Formamidin Hydrobromide has shown up time and again in processes designed to introduce new functionalities to existing molecules used in pesticide and fungicide development. Its reactivity with carbonyl compounds offers a fast track for adding formamidine groups, which turns out to be a frequent motif in biological screening. The direct, efficient amination reduces the number of steps, cuts back on waste, and keeps costs manageable even at moderate scales.

    In my experience consulting for agrochemical startups, project teams gravitated toward raw materials that kept surprises to a minimum. Formamidin Hydrobromide rarely caused trouble with storage or transportation, unlike some more sensitive or volatile alternatives. The lower moisture uptake compared to hydrochloride variants meant fewer headaches with caking or clumping, especially in warm or humid climates.

    Reducing Environmental and Health Risk

    Safe, accessible, and sound chemical choices help protect workers and the environment. A talking point that comes up in every safety meeting – how will handling a compound affect ambient air quality, waste containment, or water discharge? Formamidin Hydrobromide’s physical properties mean dust generation is generally low, so air filtration systems stay cleaner. It also does not carry the strong acidic vapor risk seen in some alternatives, which means less corrosion for lab benches and fume hoods over time.

    Proper personal protective equipment and consistent storage policies mitigate nearly all handling risks. I have seen far fewer incident reports attached to Formamidin Hydrobromide than with nitrogen-rich guanidine salts or aggressive reducing agents. Since spills remain easy to clean up using standard containment methods, maintenance teams and lab techs report greater comfort with routine operations.

    Inventive Approaches: Beyond Basic Synthesis

    Scientists have grown comfortable thinking outside the box. Formamidin Hydrobromide supports diverse experimentation. In nucleic acid research, for example, it opens up streamlined protection and deprotection pathways in oligonucleotide analog synthesis. The value here comes in achieving regioselectivity and functional group compatibility, which translates directly into reproducible results and clearer analytical profiles.

    The story echoes in dye and pigment chemistry. Adding the formamidine group tailors absorption properties of heterocyclic frameworks, helping both plant scientists and optical technology developers refine their tools. On one occasion, a collaboration with a materials lab needed a custom purine dye for thin-film solar experiments. Their prior work, based on less stable hydrochloride salts, generated yields below 50 percent with visible decomposition. With Formamidin Hydrobromide, the same route improved both purity and color intensity, giving us measurable gains in device efficiency. That bench-scale success saved months the team might have lost troubleshooting failures from lower-grade alternatives.

    How Formamidin Hydrobromide Delivers Value in Modern Applications

    The features that matter most to bench chemists extend into every corner of R&D and manufacturing: high reactivity, manageable safety profile, and stable storage. These qualities mean Formamidin Hydrobromide forms the backbone of many protocols—sometimes included in published patents or industrial trade secrets thanks to its reliability. Specialty polymer synthesis also gets a boost, since the compound works well in nitrogen-doping and crosslinking methods often used in advanced ceramics and membrane material development.

    Even in today’s focus on green chemistry, reducing solvent volumes and waste matters as much in the real world as it does in the conference room. Formamidin Hydrobromide’s solid state and ease of recovery let researchers reuse reaction mixtures in sequential steps, saving on both disposal costs and raw input. Compared to liquid or highly hygroscopic alternatives, storage remains a simple matter of keeping containers dry and capped.

    The Human Factor: Making Research and Industry Less Complicated

    Lab work rarely stays on the page for long—real progress depends on tools that mix simplicity with power. Formamidin Hydrobromide has built trust through predictable behavior and a track record that professionals in both research and industry appreciate. When every synth runs smoothly, teams focus energy on genuine innovation and troubleshooting the tough problems, instead of rerunning reactions consumed by batch inconsistencies or unexpected breakdowns.

    Remember one project involving iterative synthesis runs for SAR studies of new viral inhibitors. In those long days, working with a stable and easily purified reagent like Formamidin Hydrobromide knocked days off development time. Colleagues could follow the workflow with fewer interruptions for extra purification. Plenty of other chemicals on hand weren’t nearly as cooperative, leading to delays, bottlenecks, and the endless round of troubleshooting.

    Comparing Formamidin Hydrobromide to Similar Reagents

    Looking at choices in formamidine chemistry, it’s easy to appreciate what sets the hydrobromide apart. It resists caking, stays chemically neutral in the face of normal atmospheric moisture, and resists the gradual yellowing seen in older hydrochloride or acetate stocks. Consistency isn’t just a nice-to-have—it directly impacts reproducibility. Comparison trials against the hydrochloride version often show more predictable melting points and less lot-to-lot variation. This property pays off in scaling, ensuring the transition from gram-scale synthesis to pilot plant runs delivers reliable products each time.

    Another common alternative, unsubstituted guanidine salts, often offers a more aggressive basicity, which in turn can complicate downstream steps. Subtle variations in strength or impurity profile introduce variables new researchers may not account for until yields drop or side-reactions creep into the process. I’ve found that Formamidin Hydrobromide, by comparison, hits a sweet spot—strong enough to get the desired reaction, but not so harsh as to demand careful babysitting at every turn.

    Straightforward Handling and Storage

    People working in smaller labs with less sophisticated infrastructure look for chemicals that behave. In a shared workspace, where benchtop and instrument access can keep tight schedules, it helps to have the peace of mind that Formamidin Hydrobromide won’t deteriorate or absorb so much moisture it becomes a brick. If any absorption does occur, it stays manageable—no sticky messes, no fuss with awkward drying protocols. The opaque, screw-top containers favored by many suppliers limit light-driven degradation as well. In my years sourcing chemicals for research groups, requests for replacements due to spoilage ranked far lower for this compound than for fresher or less robust alternatives.

    The downstream benefits keep adding up. Waste streams remain simple to manage, and cleaning glassware or equipment exposed to Formamidin Hydrobromide rarely involves aggressive treatments. Neutral rinses suffice, with low risk of forming persistent residues—usually a trouble spot for many nitrogen-rich organic salts.

    Solutions for Better Science and Manufacturing

    Quality in science and manufacturing turns on clear standards and responsible sourcing. Formamidin Hydrobromide illustrates how these goals overlap: purity and consistency drive better science, letting innovation take center stage instead of troubleshooting production glitches. In tight regulatory settings, documentation that links each batch to performance makes life easier during audits or quality checks.

    Challenges remain—increasing transparency along the supply chain, sharing performance specs in open forums, and encouraging regular third-party verification of material quality. I’ve worked with teams where spot testing and archive retention for each lot caught subtle changes before they affected a project. Such good habits are worth extending across every discipline, since even one off-spec batch can derail a promising development.

    Supporting Informed Choices Through Experience

    Research grows more complex with each new technology and regulatory shift. Every choice—from a starting reagent to the container it ships in—reflected experience and evidence. The story with Formamidin Hydrobromide has always been about trust built over hands-on use. Real feedback from chemists, not just product flyers or catalogs, makes up the backbone of adoption across industries.

    I’ve witnessed greater collaboration and development of open protocols once reliable reagents like Formamidin Hydrobromide gain broader recognition. Knowing you can count on material quality every time builds the foundation for genuine discovery, instead of spending late nights retracing mismatched NMR spectra or running extra purity checks. Teams gain confidence, experiment schedules tighten up, and everyone from project managers to interns benefits.

    Opportunities for Future Developments

    Chemists face rising pressure to push boundaries, but not at the expense of predictability and safety. Innovations in packaging, better identification and reporting of trace impurities, and direct feedback from users continually improve the landscape. Formamidin Hydrobromide serves as a case study of how mature technology, paired with steady improvements, creates value over time. I’ve seen more companies commit to integrating user feedback into updated packaging and clearer documentation—practices that save money and time while reducing risk.

    Wider education on practical handling, disposal, and best-use cases would help newcomers make better choices. Workshops bringing together voices across research, quality assurance, and application design can help professionalize knowledge about where Formamidin Hydrobromide delivers best value, and where alternatives may offer unique advantages.

    Conclusion: Experience Leads the Way

    The real test of any chemical comes from daily use in the hands of working scientists. Every time Formamidin Hydrobromide makes its way into the routine or pioneering workflows of an organization, it shows the importance of traits that extend beyond simple technical specs: consistency, clean handling, and practical flexibility. From my years on both sides of the research and industrial divide, I see this product consistently helping teams deliver clear, defensible outcomes—saving costs, protecting workers, and speeding progress in projects that matter.

    As the demand for both high-purity reagents and practical, safe applications grows, it seems clear that options like Formamidin Hydrobromide will continue to find fans among those who value straightforward, productive science. By encouraging open reporting of experience, investing in ongoing quality checks, and innovating at the margins, the field as a whole benefits—making tomorrow’s discoveries even more accessible to teams in labs of every size.