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2-Amino-5-Bromophenol

    • Product Name 2-Amino-5-Bromophenol
    • Alias 5-Bromo-2-hydroxyaniline
    • Einecs 221-581-5
    • 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

    873849

    Cas Number 2504-38-1
    Molecular Formula C6H6BrNO
    Molecular Weight 188.03
    Appearance Light brown to beige solid
    Melting Point 84-88°C
    Purity Typically ≥98%
    Solubility In Water Slightly soluble
    Smiles C1=CC(=C(C=C1O)Br)N
    Synonyms 5-Bromo-2-aminophenol
    Storage Temperature Store at 2-8°C
    Hs Code 29222990
    Ec Number 219-765-9

    As an accredited 2-Amino-5-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-5-Bromophenol

    Applications of 2-Amino-5-Bromophenol in Industrial Manufacturing

    2-Amino-5-Bromophenol serves as a key intermediate in targeted chemical synthesis across multiple high-value segments. Here, we outline precise industrial application scenarios based on real-world manufacturing and regulatory practice.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (APIs)

    Manufacturers in the pharmaceutical sector utilize 2-Amino-5-Bromophenol for synthesizing specific heterocyclic compounds, predominantly within anti-infective and anticancer drug precursors. The aromatic amino group facilitates electrophilic substitution during core build-up phases, enabling critical C-N and C-O coupling, which many modern drug molecules require. Input ratios adjust based on targeted yield, compound complexity, and downstream substitution patterns.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • 21 CFR Part 211 (U.S. FDA cGMP)
    • Chinese Pharmacopoeia (CP)
    • EU Regulation (EC) No 1907/2006 (REACH)

    Typical usage ratio

    • 5–18% of total substrate charge, with the ratio modulated by the required molar excess and reactivity in ring-closure or further halogenation steps.

    Downstream process integration

    • Primary feedstock in the condensation and cyclization stages of benzimidazole derivatives and related pharmacophore core synthesis processes.
    • In-cascade purification for fine-tuning purity ahead of API coupling reactions.

    Final product types

    • Intermediates for fluoroquinolone antibiotics
    • Key starting material for anti-tumor benzimidazoles
    • Synthesis blocks for newer arylamine-based APIs
    • Building blocks for central nervous system (CNS) drug candidates

    2. Dye and Pigment Intermediate for Specialty Colorants

    Dye manufacturers select 2-Amino-5-Bromophenol to introduce selective bromine and amine functionalities into azo, anthraquinone, or triarylmethane dye structures. Its participation in diazotization and azo-coupling reactions allows for tailored chromophore development with enhanced color strength or bathochromic shifts. Application rates shift based on the final color index, dye performance required, and compatibility with other chromogenic components.

    Industry compliance standards

    • OEKO-TEX Standard 100
    • REACH Annex XVII – Restrictions on Azo Dyes
    • ISO 105-X12 Color Fastness to Rubbing
    • China National Dye Standard GB/T 7919

    Typical usage ratio

    • 10–25% of coupling mixture for monoazo and secondary dye groups, modifiable based on color intensity and target application conditions.

    Downstream process integration

    • Feeds in the diazotization step before final azo coupling.
    • Incorporation during oxidative coupling in complex pigment processes with further sulfonation or carboxylation operations as required.

    Final product types

    • Reactive dyes for cotton and cellulosic fibers
    • Direct dyes for paper and textile printing
    • Pigment intermediates for inkjet inks
    • Disperse dyes for synthetic fiber coloration

    3. Agrochemical Synthesis for Herbicide and Pesticide Intermediates

    Producers of agrochemicals use 2-Amino-5-Bromophenol in the aromatic core construction of selective herbicides and fungicides, particularly where halogenated phenol scaffolds enhance binding specificity and metabolic stability. The compound enters early in the synthetic route, allowing downstream introduction of functional groups critical for target organism selectivity. Usage concentration pivots on targeted mode of action and cost efficiency.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EPA 40 CFR Part 180 – Pesticide Tolerances
    • China GB 4839 Agrochemical Quality Standard
    • ISO 9001:2015 Quality Management

    Typical usage ratio

    • 8–20% molar composition during key step reactions; actual dosage optimized for the type of coupling agent and final efficacy validation.

    Downstream process integration

    • Integrated as a reactant in nucleophilic substitution endpoints prior to sulfonamide or oxime group installation.
    • Feeds into catalyst-assisted coupling reactions during pyridazine and benzimidazole core assembly.

    Final product types

    • Precursor for triazole fungicides
    • Intermediate for chloroacetanilide herbicides
    • Aromatic subunits for insecticide development
    • Building blocks for selective pre-emergent weed controls

    4. Photographic Chemical Intermediate

    Specialty chemical producers incorporate 2-Amino-5-Bromophenol during the synthesis of photographic developer agents, especially those engineered for black and white imaging. The raw material confers unique electron-donating and halogen substituent characteristics that optimize reducing power and grain structure modulation in emulsion chemistry. Input levels relate closely to targeted redox potential and solubility requirements for end-use developer formulations.

    Industry compliance standards

    • ISO 18934 Imaging Materials — Processed Photographic Films
    • ANSI IT9.2 Photographic Processing Chemicals
    • RoHS Directive 2011/65/EU (for electronic imaging systems)

    Typical usage ratio

    • 3–12% by weight of the developer formulation; precise addition determined by developer activity and desired D-min/D-max ratio.

    Downstream process integration

    • Charged in initial reduction agent blend step before pH buffering and stabilizer incorporation.
    • Optional addition post-filtration to fine-tune developer kinetics and shelf-stability.

    Final product types

    • Photographic developer concentrates for film laboratories
    • Ready-to-use developing agents for X-ray imaging
    • Custom reagent kits for silver halide photo processing
    • Specialized developer solutions for archival photographic materials
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    Certification & Compliance
    More Introduction

    Understanding the Value of 2-Amino-5-Bromophenol: Insights from Real-World Chemistry

    Digging Into a Reliable Chemical Building Block

    In a bustling research lab, new ideas take shape under the microscope every day, but the process always circles back to the building blocks. Among those trusty foundations, 2-Amino-5-Bromophenol has carved out a solid reputation for versatility and reliability. The chemical world doesn’t run on glossy trends—progress relies on molecules that do their job, no drama, no surprises. 2-Amino-5-Bromophenol fits this mold really well, offering up a manageable formula without unnecessary frills, letting chemists crank up their creativity without crossing their fingers.

    This compound, chemical formula C6H6BrNO, comes as a pale yellow to brownish powder, which always gets a nod when the purity hovers above 98%. Its straightforward structure—a bromine atom holding down the fifth spot and an amino group parachuting into the second—means it dodges the complications seen with trickier substitutions. With a melting point often falling near 97–101°C, you get a material that isn’t too sticky or volatile in the flask. This really matters once the time comes to turn academic ambitions into practical outcomes. Labs—whether in pharma, dye production, or specialty chemical synthesis—prefer simplicity, and this phenol delivers just that.

    Bridging Gaps in Chemical Research

    The nature of 2-Amino-5-Bromophenol encourages steady hands and level heads, especially in organic synthesis. I remember a project where the goal was stacking benzene rings in a way that kept the routes clean and predictable. This phenol’s para-bromo and ortho-amino set-up made every step more manageable. Instead of wrangling with multiple reactive sites, you get decisive options for further modification. Researchers looking for an intermediate to synthesize azo dyes will recognize the value here. Plenty of dye molecules in textiles, inks, and biological stains draw on this backbone—its functional groups enable targeted transformations without risking endless side products.

    Pharmaceutical research leans on 2-Amino-5-Bromophenol, too. It’s not that the molecule goes straight into anyone’s medicine cabinet, but its dual reactivity speeds up the journey from fragment to finished compound. Medicinal chemists often need specific substitution patterns on aromatic rings. If you’re crafting a new antimicrobial or splicing a larger molecule together, this phenol sometimes shows up as a clutch intermediate. The ortho-amino group paves the way for coupling reactions or setting the stage for heterocycle formation—two steps as familiar as coffee in a grad student’s hand. The bromo atom? Perfect point for further functionalization by Suzuki coupling or nucleophilic aromatic substitution, two mainstays in any synthetic chemist’s playbook.

    Comparing the Alternatives: Why 2-Amino-5-Bromophenol Stands Out

    Comparisons crop up all the time. Labs weigh cost, availability, and reactivity every time procurement season arrives. 2-Amino-5-Bromophenol distinguishes itself in a few quiet but important ways. For starters, compare it with its sibling, 4-aminophenol. That molecule shows up everywhere, but the lack of halogen means fewer options for downstream chemistry when you need a platform to build more complex molecules. On the flip side, 2,4-dibromophenol offers two halogens—great for some polymerization schemes—but sacrifices the flexibility you’d get with an amino group nearby.

    Then there’s the practical angle. Some halogenated phenols raise eyebrows about environmental and safety concerns, but the single bromo atom on 2-Amino-5-Bromophenol makes waste management less of a headache. Coupled with fairly straightforward handling protocols and predictable stability, it’s often easier to plan experiments around this molecule without tiptoeing around regulatory surprises. Having worked through safety audits and environmental scans myself, this is more than background noise in a chemical catalog—those choices shape what labs can actually accomplish month to month.

    Building Knowledge through Trustworthy Production and Handling

    Reliable supply matters. I have chased after rare chemicals in the past, only to get stuck with questionable purity or manufacturers who change specs without warning. With 2-Amino-5-Bromophenol, reputable sources typically guarantee that purity above 98%. Analytical labs verify quality using techniques such as HPLC, NMR, and melting point checks. When you find a supplier that understands these tests aren’t just formalities, research and small-scale manufacturing avoid unnecessary restarts. Payment for quality may cost a little more per kilogram, but it saves much more in rerun reactions and troubleshooting hours later.

    Storage and handling requirements fall into familiar territory for most researchers. The powder prefers a dry, cool space away from oxidizers and acids to preserve both its functional groups and your peace of mind. Unlike some moisture-sensitive powders, 2-Amino-5-Bromophenol doesn’t demand a glovebox, just an air-tight container and sensible lab protocols. Accidents are rare with basic personal protective equipment and reasonable ventilation—experiences that line up with decades of standard research practice.

    Real-World Use Cases and Their Impact

    Dye developers frequently cite 2-Amino-5-Bromophenol as a crucial feedstock. The demand for precise, reproducible colors in textile or ink manufacturing puts pressure on the consistency of intermediates. Organic chemists, for their part, value this phenol as a gateway to azobenzene, quinoline, and other dye structures. In one project, a colleague spent a summer chasing yield improvements for a sulfur dye by tweaking aromatic amine inputs. Swapping in 2-Amino-5-Bromophenol bumped conversion up by 12%—a rare case where a simple substitution turned out to be the winning ingredient.

    Biotechnology ventures sometimes incorporate this compound into biosensor probes or fluorescent tags, leveraging its chemistry to support detection in medical diagnostics. Beyond dyes, a handful of research groups now use this phenol for small-scale synthesis of heterocycles with known anti-fungal or anti-bacterial activity. Low toxicity coupled with modular reactivity offers a reliable path to innovative trial compounds without burdensome side product cleanup. Real results seem to come most easily when researchers start from intermediates they can actually trust.

    Challenges and Areas for Improvement

    Despite its strengths, 2-Amino-5-Bromophenol presents some frustration. The bromine atom—while great for downstream chemistry—means disposal protocols take center stage. Labs aiming for lower environmental impact need clear waste handling practices to keep halide content in check. Investing in small-scale bromine recovery or finding greener downstream transformations can ease regulatory worries, though these paths often require serious time and funding that only larger facilities might tackle head-on.

    Sourcing sometimes hiccups with supply chain disruptions, price swings, or purity gaps. Scholars in smaller academic labs often see months-long delays for even standard intermediates, translating to missed research windows and halted grant timelines. Strengthening relationships with reputable suppliers, supporting local chemical manufacturing, or pooling resources among nearby institutions results in steadier access to key specialty chemicals like this one. This kind of collaboration saves more than money—it keeps projects on track even when global logistics waver.

    Supporting Responsible Use with Fact-Driven Practices

    Successful research hinges on more than just the chemicals themselves—it requires a culture of good documentation and real accountability. Keeping proper records on batch number, storage date, supplier, and intended end use ensures traceability that stands up to outside scrutiny. Labs that cut corners on these steps often see headaches later, from inconsistent results to compliance fallout.

    In recent years, new regulations on aromatic amines and halogenated organics have come into play, especially in the EU and North America. Transparent tracking and well-documented disposal satisfy both regulators and university auditors. From personal experience, adopting the habit of labeling all phenolic intermediates—down to the smallest amber vial—pays back in saved time and clearer project handovers to incoming students or new team members.

    Education, Training, and Building a Better Research Environment

    Empowering newer researchers to handle intermediates responsibly shapes safer, smarter labs. Training students with real-life scenarios—for example, quenching leftover 2-Amino-5-Bromophenol in spent reaction mixtures—teaches skills more effectively than rote memorization or copying MSDS instructions. Demonstrating the effect of small changes in temperature or pH on recovery and byproduct ratios builds both confidence and understanding.

    Mentoring goes beyond the formalities of technique. Encouraging open discussion about missteps—spilled powder, a misread NMR, a mislabeled bottle—fosters an environment where the right questions get asked before issues snowball out of control. My early years in synthetic labs saw plenty of mistakes, but mistakes became lessons because experienced colleagues took time to debrief rather than assign blame. That willingness to share expertise helps keep specialty chemicals like 2-Amino-5-Bromophenol both productive and safe in the long run.

    Exploring New Developments and Sustainability

    Green chemistry trends now flow through every corner of the fine-chemical sector. Researchers push for milder solvents, recyclable catalysts, and safer reaction conditions when working with aromatic amines and halides. Experimental procedures involving 2-Amino-5-Bromophenol reflect this shift. Some labs now favor solvent systems that lower energy consumption, or swap out traditional bases for biodegradable alternatives. In pilot projects, upcycling spent material or capturing bromine as a reusable byproduct marks a new frontier for so-called waste valorization.

    As lessons from these experiments accumulate, suppliers begin to adjust their offerings. A few increasingly provide extended data packages on environmental impact, batch analysis, and production traceability—all practices that help academic and industrial clients make better choices based on reliable information. This shift from purely transactional relationships toward more transparent data exchange builds trust on both sides of the supply chain.

    Strategizing for Broader Access and Innovation

    Advancing research across diverse fields means bridging the gap between specialized suppliers and a broader audience. Research consortia, both public and private, now play bigger roles in distributing knowledge about chemicals like 2-Amino-5-Bromophenol. Webinars, case studies, and detailed application notes demystify its properties and illustrate real outcomes from published projects. My own introduction to this molecule came through a joint workshop between a university and a mid-sized specialty chemical manufacturer—seeing reactions executed live, troubleshooting in real time, unlocked a deeper understanding than any product flyer ever could.

    Collaboration between fields also uncovers new roles for established molecules. Biologists working with organic chemists, material scientists talking to pharma teams—these diversifying networks lead to breakthroughs that recharge older chemistry with modern relevance. For example, the photon-absorbing qualities that make this phenol a hit in dyes are now being parsed for use in light-harvesting molecules for solar tech—turning yesterday’s dye recipe starter into a step toward cleaner energy.

    Encouraging Responsible Procurement for Sustainable Research

    Choosing the right supplier means reaching beyond price tags and short-term convenience. Top suppliers demonstrate regular third-party audits, maintain transparent documentation, and adapt batches in response to end-user feedback. These factors minimize the surprise element in research and development, particularly in projects on tight deadlines. Labs also benefit from buying in volumes that match actual usage—avoiding overstock that collects dust and shakes loose reliability over time.

    For students writing grant proposals and senior researchers planning multi-year projects alike, it pays to keep records of all procurement decisions, product certificates, and waste-disposal logs linked directly to chemical batches. This doesn’t just check regulatory boxes—down the line, it smooths transitions during staff changes and audits. Direct dialogue with suppliers about evolving sustainability standards or packaging options—think biodegradable containers or lower-emission shipping—fosters a more resilient research ecosystem.

    Looking Ahead: 2-Amino-5-Bromophenol in the Next Generation of Research

    Progress moves in cycles, building on decades of careful trial and hands-on experience. 2-Amino-5-Bromophenol’s future might see it integrated into new functional materials, hybrid catalysts, or diagnostic assays. Each breakthrough builds on recurring truths: you need molecules that do their essential job every time, that support creative adaptation without introducing chaos, and that don’t saddle research with unnecessary risk or cost.

    Access to reliable intermediates, transparent supplier relationships, and adaptive waste management all play into that success. With the right practices, this chemical will keep fueling discovery where it matters most—in labs where researchers can trust every reagent, and every step forward is grounded in fact-based problem solving. That’s the difference between just filling a shelf and building a platform for real progress—one phenol at a time.