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2-Amino-4-Bromophenol

    • Product Name 2-Amino-4-Bromophenol
    • Alias 2-Amino-4-hydroxybromobenzene
    • Einecs 242-158-1
    • 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
    VTB
    Specifications

    HS Code

    347668

    Cas Number 95-92-1
    Molecular Formula C6H6BrNO
    Molecular Weight 188.02
    Iupac Name 2-amino-4-bromophenol
    Synonyms 4-Bromo-2-aminophenol
    Appearance Off-white to light brown solid
    Melting Point 150-153°C
    Solubility In Water Slightly soluble
    Storage Temperature Store at 2-8°C
    Smiles C1=CC(=C(C=C1Br)O)N
    Inchi InChI=1S/C6H6BrNO/c7-4-1-2-6(9)5(8)3-4/h1-3,9H,8H2

    As an accredited 2-Amino-4-Bromophenol 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-Bromophenol

    Applications of 2-Amino-4-Bromophenol in Industrial Manufacturing

    As an experienced producer of 2-Amino-4-Bromophenol, we supply this specialty chemical to downstream manufacturers operating in advanced sectors where its molecular structure contributes specific functional attributes. Below, we detail main industrial application scenarios supported by documented compliance, process integration, and typical formulation guidance based on real-world user practices.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical manufacturers use this compound as a core intermediate during API synthesis, especially in developing benzoxazole, benzothiazole, and related heterocyclic scaffolds. Its amino and bromine functional groups enable selective coupling and halogen exchange reactions in multi-step syntheses. Customers optimize its introduction during condensation or cyclization stages to build target pharmacophores with high yield and purity.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.), United States Pharmacopeia (USP) when producing for regulated markets
    • 21 CFR Part 211 (US FDA) for cGMP requirements
    • ICH Q3A/B for impurities and residual solvents control

    Typical usage ratio

    • Batch inclusion ranges from 0.2 to 1.5 molar equivalents, adjusted based on route selectivity and impurity minimization in R&D and scale-up

    Downstream process integration

    • Charged into condensation or cyclization reactors under nitrogen atmosphere, following dry powder addition protocols or in solution for liquid-phase transfer

    Final product types

    • API substances for oncology, central nervous system, and anti-infective drugs
    • Advanced pharmaceutical intermediates for global innovator and generic manufacturers

    2. Precursor for Azo Dye Manufacture

    Dye producers select this molecule as a diazo component for synthesizing specialty azo dyes, especially red, brown, and black shades providing stable chromophore linkages for textile, leather, and plastics coloring. It reacts with diazotized anilines to produce color-imparting pigments resistant to light, washing, and abrasion, valued in high-performance pigment markets.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for textile colorant safety assessment
    • REACH Annex XVII regulation for restricted aromatic amine formation
    • ZDHC MRSL (Manufacturing Restricted Substances List) for sustainable dyeing
    • CFR Title 21, Sections 74 and 73 for food-contact dye applications

    Typical usage ratio

    • Recommended 0.4–2.0% w/w relative to the total dye batch; precise levels tailored for target shade intensity and substrate compatibility

    Downstream process integration

    • Introduced after diazotization step, usually as a primary aromatic amine coupling partner in cold or warm batch processing kettles

    Final product types

    • Reactive, direct, and acid azo dyes for cotton, wool, nylon, and other natural fibers
    • Synthetic polymer colorants for industrial plastics and coatings

    3. Intermediate for Agrochemical Active Compounds

    Leading agrochemical formulators utilize this material to build functionalized benzoxazole and thiophene-derived molecules, which serve as key units in the synthesis of selective crop protection agents. Its structure enables regioselective substitution for products targeting fungicidal and herbicidal modes of action, especially when designing new-generation actives for resistance management.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009 for pesticide approval
    • US EPA 40 CFR Part 180 for pesticide residue tolerances
    • ISO 17025 for laboratory analytical verification

    Typical usage ratio

    • Included at 0.1–0.5 molar ratio relative to the main reaction substrate, with adjustments based on final active dosage and side-product suppression

    Downstream process integration

    • Introduced as a solid or dissolved intermediate during early-stage heterocycle synthesis, followed by downstream coupling, alkylation, or formulation steps

    Final product types

    • Technical grade agrochemical actives for crop protection
    • Suspension concentrates and emulsifiable concentrates for application in field use

    4. Building Block for Specialty Polymer Additives

    Specialty chemical processors incorporate this aromatic building block to produce polymer stabilizers and flame-retardant additives, capitalizing on its halogen content and amino group for site-specific modification. It contributes thermal stability, UV resistance, and anti-yellowing properties during melt compounding or solution blending of engineering plastics.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) restricting hazardous substances in electronics
    • UL 94 for flammability rating of plastics and components
    • ISO 9001:2015 for additive production quality management
    • ASTM D2863 for oxygen index in polymer flame testing

    Typical usage ratio

    • Dosage varies from 0.2% to 1.0% by weight, modulated to achieve required flammability class and thermal stabilization without affecting resin properties

    Downstream process integration

    • Fed into twin-screw extruders with base resin pellets, or dissolved in monomer feed during pre-polymer solution preparation

    Final product types

    • Electronics-grade flame-retardant housings
    • UV-stabilized automotive polymer components
    • Anti-yellowing masterbatches for films and molded goods

    5. Chemical Reagent in Analytical Synthesis

    Scientific laboratories and contract manufacturers employ this compound as a derivatizing agent and reference standard in advanced analytical procedures, particularly in developing ion-selective probes, colorimetric assays, and trace impurity assays where its unique electron-donating and halogen-substituted profile assists in forming sensitive detection complexes.

    Industry compliance standards

    • ISO/IEC 17025 for laboratory testing and calibration competence
    • USP General Chapters <621> Chromatography and <781> Optical Rotation for method validation
    • GLP (Good Laboratory Practice) for reagent use in regulated environments
    • ISO Guide 34 for certified reference material production

    Typical usage ratio

    • Employed at analytical concentrations ranging from 0.01 to 0.2% w/v in reaction mixture, scaling based on analyte load and probe sensitivity

    Downstream process integration

    • Added during sample preparation, derivatization, or reagent blending steps in analytical method protocols

    Final product types

    • Chemical reagents kits for ion-specific or colorimetric detection
    • Certified analytical reference standards for pharmaceutical or environmental testing labs
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    Certification & Compliance
    More Introduction

    Meet 2-Amino-4-Bromophenol: A Key Building Block in Modern Chemistry

    An Experienced Eye on Its Role and Value

    Among the wide array of chemicals driving progress in pharmaceuticals and fine chemical synthesis, 2-Amino-4-Bromophenol stands out as a crucial intermediate. I’ve seen the transformation a reliable supply of this compound can bring to laboratory research and industrial manufacturing. With a molecular formula of C6H6BrNO and a purity often exceeding 98%, this off-white to light brown crystalline powder packs plenty of versatility. Whether working late in an academic lab or guiding a team through factory-scale batches, I’ve trusted it for reactions where precision matters.

    Understanding What Sets 2-Amino-4-Bromophenol Apart

    Not all phenol derivatives deliver the same results. The combination of bromine at the fourth position and an amino group at the second spot opens up unique possibilities for synthesis. In my own projects, I’ve found that this structure allows for selective coupling and targeted modifications—tasks that become tedious or near impossible with other isomers. When exploring new routes to complex molecules, this subtle positioning really pays off. For example, in dye chemistry, the molecular design of 2-Amino-4-Bromophenol enables the development of shades and properties that simply can’t be accessed by sticking with the more common 2-aminophenol or 4-bromophenol. This advantage might not jump out at first, but you notice the difference in yield and product quality when pushing for innovation.

    Purity and Performance: Why Quality Matters

    Purity isn’t just a checklist item. In the world of multi-step organic synthesis, lurking contaminants and inconsistent lots can ruin a batch before you realize what happened. My team once spent weeks chasing a troublesome impurity—eventually traced back to using a lower-grade feedstock. With 2-Amino-4-Bromophenol, opting for a supplier that can consistently deliver high-purity material saves a lot of headaches down the line. Reliable melting point ranges, say around 122-127°C, help quickly verify authenticity and ensure you’re not being tripped up by off-spec batches. A good product means fewer reruns, lower risk, and a real reduction in waste.

    Finding a Place in Pharmaceuticals and Research

    Take a walk through any research lab or synthesis plant in the pharmaceutical industry and this compound often finds its way onto the shelves. Its role in creating benzoxazoles, azo dyes, and other complex molecules anchors its value. Having worked on heterocycle formation projects, I’ve put 2-Amino-4-Bromophenol to the test. The functional groups offer both nucleophilic and electrophilic handles, letting you steer the reaction down different paths if the first one doesn’t pan out. Modifications at the amino or hydroxyl site allow researchers to branch off into new analog libraries with relative ease. Compared to close relatives like 2-aminophenol, the bromine functionality opens up halogenation chemistry—benefitting late-stage diversification in drug synthesis.

    Handling and Storage That Makes Sense

    The convenience of working with stable, non-hygroscopic solids cannot be overstated. During extended projects, I’ve had times where more reactive or easily-degraded materials meant daily headaches and storage drama. 2-Amino-4-Bromophenol wins points for simplicity: store it cool and dry, away from strong oxidants, and it stays reliable for months. In a practical sense, this means more time spent on developing chemistry, less time wasted on fussing with logistics. Confidence in your starting materials reflects directly on productivity.

    Real World Outcomes: Synthetic Applications

    If you’re working on developing new pharmaceuticals—say, designing inhibitors or scouting new leads for antimicrobial compounds—you need a starting block that's as flexible as it is dependable. I remember one particular project focused on benzoxazole synthesis, where using 2-Amino-4-Bromophenol led to cleaner reactions and less time lost troubleshooting. A quick SnAr reaction with appropriate electrophiles gives you a direct pathway to these valuable heterocycles. It’s hard to imagine replacing that efficiency with other reagents. In dye chemistry, its application in forming azo compounds results in deeper, more vivid colors with improved fastness compared to alternatives. This is especially true if your formulations target highly specific spectral properties.

    Comparison to Similar Products

    I’ve worked with both 2-Bromo-4-aminophenol and the non-brominated 2-aminophenol in the past. Differences quickly emerge. The brominated version, our 2-Amino-4-Bromophenol, consistently offers better selectivity when manufacturing complex molecular scaffolds. The presence of the bromine atom not only boosts reactivity in cross-coupling and halogen exchange reactions but also helps fine-tune the electronic and steric properties during multi-step synthesis. There’s a noticeable reduction in unwanted byproducts, which simplifies downstream purification—a key pain point in scale-up operations. The non-brominated analog struggles to match this in reactions needing halogen mobility or where you need to access specific substitution patterns unavailable by any other route.

    Safety Considerations and Responsible Use

    Every chemist knows that even routine compounds need respect. I keep gloves and eye protection handy, and, like most in the field, have seen accidents happen when shortcuts get taken. 2-Amino-4-Bromophenol doesn’t bring unusual hazards compared to its peers—just don’t inhale dust and avoid contact with skin or eyes. I keep safety data sheets close by, but with smart handling and good ventilation, the product fits neatly into standard workflows. Avoid heating to decomposition and keep water sources away to avoid accidental messy runoff. For waste, responsible disposal following local chemical regulations has proved critical to avoid downstream issues. Labs committed to environmental and personal safety tend to have fewer incidents and higher productivity, a lesson driven home through years on the job.

    Realities of Sourcing and Supply

    Getting consistent supply chains has tested everyone who works in chemical procurement. There were times in the past when relying on niche intermediates such as 2-Amino-4-Bromophenol left projects exposed to sudden price hikes or shortages. Learning to vet reliable vendors, checking for documentation like HPLC chromatograms and certificates of analysis, makes all the difference in large-scale or sensitive work. High staff turnover or spotty communications with suppliers nearly derailed a crucial batch for our ongoing research into antifungal agents some years back. Investing the time to build solid partnerships with reputable chemical producers pays dividends in reliability and overall project success.

    New Horizons: Innovations Using 2-Amino-4-Bromophenol

    Driven by relentless exploration, teams across academic and industrial research push known boundaries with compounds like this. I watched groups use 2-Amino-4-Bromophenol as the linchpin in designing novel fluorescent probes for biomedical imaging, where no other building block could achieve the same quantum efficiency. In other cases, synthetic chemists combine it with creative catalysis to build increasingly complex heterocycles for new classes of drugs. With the ongoing shift toward sustainable chemistry, even legacy molecules gain new importance through green reaction conditions and solvent choices—areas where this compound proves surprisingly adaptable. Each breakthrough depends on the reliability of the building blocks, ensuring projects move from bench to market efficiently.

    Challenges in Adoption and Suggestions for Improvement

    While the compound brings versatility, getting broad adoption outside of specialized circles takes more than just technical merit. High purity lots don’t always come cheap, and inconsistent regulatory recognition across countries sometimes stalls commercial exploitation. I recall a project hamstrung by slow customs clearance for a bulk order, a stark reminder that global harmonization matters. Solutions start with better engagement between producers and end-users. Improved technical data, timely communication, and investment in transparent supply infrastructure help everyone up and down the value chain. For labs bound by tight budgets, sharing best practices—such as maximizing yield efficiency and rigorous waste minimization—can stretch resources while maintaining safety and research integrity.

    Environmental Footprint: Ethical Considerations

    Modern chemistry doesn’t operate in isolation. Environmental impact isn’t just a distant concern reserved for policy debates—many researchers, myself included, worry about the trace environmental presence of specialty chemicals. Proper storage, limiting unnecessary overproduction, and waste-stream monitoring require a proactive approach. Facilities that routinely audit their chemical usage and train newcomers on responsible disposal practices build a culture of stewardship. Switching to lower-impact solvents where possible, and capturing waste for recycling, lessens the adverse imprint of intermediate production. These measures come from experience; mistakes and oversights in smaller labs taught me the value of community caution over individual convenience.

    Educational Value and Training

    Graduate students and early-career researchers often encounter 2-Amino-4-Bromophenol during projects that demand systematic exploration of reaction conditions or the synthesis of functionalized phenolic targets. Mentoring newcomers, I stress understanding the underlying reactivity over rote protocol following. For many, manipulating this compound proves an eye-opener about the importance of regioselectivity and electronic effects. Rather than spoon-feeding procedures, I review real-world reaction failures and encourage troubleshooting, reinforcing habits that carry over into larger industrial roles. Improved training resources focused on practical hands-on skills, rather than just theory, foster better outcomes and safer work environments.

    Smart Storage Solutions for Modern Labs

    Space, organization, and safety matter. My work in crowded, resource-challenged labs revealed how quickly disorder leads to product loss or safety hazards. Segregating materials susceptible to cross-contamination (especially aromatic amines and halides) makes inventory control easier and reduces mix-ups. Investing in durable, clearly labeled containers and logging inventory meticulously keeps workflow smooth. Modern chemical management software streamlines tracking, ensuring rapid location checks and proper rotation to prevent old or degraded material from entering production queues. These simple steps translate to financial and performance gains across projects.

    Collaboration and Resource Sharing

    Colleagues often face obstacles working through procurement challenges or troubleshooting stubborn reactions. Establishing connections with peers who regularly work with 2-Amino-4-Bromophenol opens up informal networks for reagent loans, shared expertise, and faster problem-solving. Collaborative training and open data sharing about reaction success rates create a virtuous cycle of improvement. Over my career, group meetings dedicated to discussing bottlenecks and reviewing case studies of difficult syntheses using this compound yielded breakthroughs impossible by solo effort. Organizations benefit greatly from breaking silos and encouraging open dialogue around intermediate selection and methodology.

    Regulatory and Industry Trends

    Regulatory scrutiny continues to rise around potentially hazardous intermediates. Although 2-Amino-4-Bromophenol often avoids the most stringent controls, awareness around the sources and final application of aromatic amine derivatives warrants constant vigilance. Transparent reporting and rigorous batch testing support quality assurance systems, a lesson learned through routine audits and certification renewals. Adoption of global best practices—such as comprehensive labeling, lot traceability, and documentation—builds trust with clients and partners, while minimizing disruption from sudden rule changes. Long-term, this helps smooth product adoption in new territories and across industries.

    Encouraging Sustainable Practices

    Sustainability goes beyond buzzwords in chemical research and production. Responsible manufacturers invest in greener production pathways by reducing waste, using renewable feedstocks, or incorporating energy-efficient processes. Such improvements drive both economic and ethical value, critical in an era where public and stakeholder scrutiny only grows sharper. Whenever I select a supplier, evidence of sustainable operations weighs heavily in the decision. Sharing success stories and encouraging transparent data on life-cycle impacts helps shift market norms toward more responsible production and use across the chemical industry.

    Education and Community Outreach

    Community engagement makes a difference. I’ve participated in outreach events where students and local communities learned about the real-life journey of specialty chemicals like 2-Amino-4-Bromophenol—from bench to product shelf. Demystifying the science and explaining safety protocols fosters both respect for the field and encourages future generations into science. Involving non-experts in conversations around chemical safety, innovation, and environmental stewardship builds trust and mutual understanding. This openness benefits research labs and broader society alike.

    Looking to the Future with 2-Amino-4-Bromophenol

    The steady presence of 2-Amino-4-Bromophenol in laboratories, pilot plants, and classrooms reflects its ongoing value as a reliable, flexible tool for those shaping tomorrow’s medicines, materials, and colors. Improvements in supply chain transparency, safety, and education lead to better project outcomes and wider accessibility. By focusing on practical realities—consistent quality, thoughtful use, sustainable sourcing, and community education—the compound’s role remains both vital and futureproof. In a working world where innovation never stops, the right materials continue to make all the difference.