Anhui Liwei Chemical Co., Limited
Products

4-Amino-3,5-Dibromophenol


    • Product Name 4-Amino-3,5-Dibromophenol
    • Alias 3,5-Dibromo-4-aminophenol
    • Einecs 233-937-0
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    265866

    Chemical Name 4-Amino-3,5-Dibromophenol
    Molecular Formula C6H5Br2NO
    Molecular Weight 282.92 g/mol
    Cas Number 1643-26-1
    Appearance White to off-white solid
    Melting Point 203-205°C
    Solubility Slightly soluble in water
    Purity Typically ≥98%
    Storage Conditions Store at room temperature, away from light and moisture

    As an accredited 4-Amino-3,5-Dibromophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 100-gram quantity of 4-Amino-3,5-Dibromophenol is supplied in a sealed amber glass bottle with a clearly labeled chemical-resistant sticker.
    Shipping 4-Amino-3,5-Dibromophenol should be shipped in tightly sealed containers, protected from light and moisture. Handle with suitable personal protective equipment. Transport according to local regulations for hazardous materials, keeping the package upright and clearly labeled. Room temperature shipping is generally acceptable unless otherwise specified by the manufacturer or MSDS.
    Storage 4-Amino-3,5-Dibromophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect it from light and moisture. Keep it at room temperature and ensure it is clearly labeled. Handle using appropriate safety procedures, including wearing gloves and protective eyewear to prevent contact and exposure.
    Free Quote

    Competitive 4-Amino-3,5-Dibromophenol prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    4-Amino-3,5-Dibromophenol: Building Tomorrow’s Chemistry

    Crafting 4-Amino-3,5-Dibromophenol in Our Facilities

    Long before a drum of 4-Amino-3,5-Dibromophenol ships out from our plant, the process begins with the measured approach only direct manufacturing can provide. Our technical teams sweat the small stuff, from sourcing aromatic precursors chosen as much for purity as for predictable reactivity, to designing reaction pathways for producing crystalline, stable output. In the lab and on the production floor, we work through the reality of scalable chemistry—watching out for exothermic surprises during bromination, drawing on experience to tune pH, and pushing each batch through multi-stage purification, never cutting corners. Each kilogram pulled is the result of hands-on intervention and continuous evaluation. Having that manufacturer’s perspective gives our clients more certainty about where their product comes from, and it’s what lets us do quality, not just quantity.

    What 4-Amino-3,5-Dibromophenol Looks Like in Our Plant

    The product comes off as an off-white to yellowish crystalline solid. Moisture is an enemy, so from dryer to drum, our production line protects yield and storage life by keeping an eye on the ambient conditions: sealed process hoods, nitrogen flows, and real-time sensors, not after-the-fact repairs. The chemical structure—two bromines para to an amino group—lends itself to consistent batch outputs with melting points in line with reference models. Small details, like particle size and bulk density, play out in the downstream process. Years back, cake-formation in specific reactors taught us the importance of agitation speeds and solvent-to-reactant ratios during isolation. Each of these things comes from practical experience—not just academic recipes.

    Model & Specifications: From Lot to Lot

    Much gets said about specifications, but making them real takes manufacturing discipline. Our standard model always drives toward the tightest margins. Typical assay readings hover above the 98% mark by HPLC, and elemental analysis checks both for bromine content and residual ammonia. There’s no guesswork; we run each drum through multiple calibrations, not just at release, but at key points during scale-up. Buyers in pharmaceutical intermediates and chemical research look for these cut-and-dried specifications because inconsistent inputs can break product lines. Consistency isn’t just a promise, it is the logic running our reactors, our QC steps, and our analytical reviews.

    Using 4-Amino-3,5-Dibromophenol in Industry

    End-users draw on 4-Amino-3,5-Dibromophenol for processes where selective reactivity matters—places where the dibromo substitution guides further coupling or the para-amino group enables custom derivatizations. We’ve seen the product used in dye synthesis, giving chromophores a new pathway for halogenation. In the lab, researchers reach for our compound to build pharmacophores or chase agrochemical ideas. Chemical engineers in resin development appreciate the predictability: the molecule slots into existing schemes without unexpected cross-reactivity. Reliability counts at scale, and our process borrows from lessons at every step, from glass reactors running milligrams to production vessels moving toward metric tons.

    What Sets Our Product Apart

    A factory-first view lets us address differences from the beginning. Not every batch of 4-Amino-3,5-Dibromophenol on the market will behave the same way. Sometimes, rival batches show up with more color or insoluble dust—telling signs of shortcuts in isolation or contaminated raw materials. By keeping granular control over our inputs, like monitoring every shipment for off-odors or questionable spectra, we limit the downstream surprises. For a research chemist, too much residual impurity can mean days lost to purification or, worse, failed syntheses. Stable color, controlled particle morphology, and reliable reactivity aren't product slogans here—they’re direct results of running synthesis lines, seeing failures and learning from them, and fixing processes over years.

    The Realities of Manufacturing: Safety, Waste, and Value

    Real manufacturers know the hard truths: safe production means less drama for end-users. We keep bromine-handling tight, invest in operator PPE, and tune ventilation to handle not just the ideal run, but also those days when pressure spikes or abnormal odors show up. Waste streams are neutralized at the point of formation, because unchecked effluent means headaches later—both for compliance and for cost. Lithium bromide byproducts get treated, not dumped. Spent solvent is tracked all the way from distillation to approved disposal, so every batch leaves less environmental footprint than the last. This isn’t optional; it’s what keeps our operations sustainable and our customers out of regulatory crosshairs.

    Lessons Learned From the Floor

    Building a reliable supply of 4-Amino-3,5-Dibromophenol forced us to change how we manage supply chains. Years ago, disruptions in halogen feedstock supplies taught us how sensitive certain intermediates can be to even minor shifts in purity. We adjusted purchasing, negotiated directly with source producers, and established backup storage to avoid missing demands from partners. Our labs have faced process hiccups that only show up at larger scales—foaming, unexpected pressure increases, or changes in heat flow. Only long-term, hands-on work can handle these. Paper specifications mean nothing if a process grinds to a halt during seasonal humidity changes or a single crystallizer clog.

    Spotting the Differences in Practice

    Users comparing 4-Amino-3,5-Dibromophenol from one supplier to another will notice sharp differences. The real world isn’t a place for theoretical purity. What matters is: does the compound handle washing without lumping? Does it dissolve as its datasheet predicts? Are bromine content and amino reactivity truly consistent? In our production, we confirm every lot’s profile through gas chromatography and infrared. Once, a customer’s syntheses kept stalling; after some backtracking, we discovered hidden contaminants—trace metals from a competitor’s poorly maintained reactors. Our internal cleaning protocols and material audits prevent those slip-ups. Our track record comes directly from addressing real complaints and tracing them back to their source.

    Matching Grade to Application: No Shortcuts

    Some customers come looking for the lowest price per kilo, thinking the compound is a commodity. Years on the plant floor will teach anyone—chemical intermediates without rigorous QA bring batch-to-batch chaos. Our approach matches the demands of the user. For high-end pharmaceutical work, each container is documented for traceability and impurity profile, with complete batch records. For industrial dye applications, larger packaging and streamlined logistics shave down turnaround and cost without relaxing on process oversight. Companies who try to make one grade fit all use cases often compromise on the details that matter. We take requests seriously, adapting packaging, documentation, and release criteria to avoid mismatches.

    Navigating Regulations and Compliance

    The rules around chemical intermediates have shifted all over the world. Staying ahead means we adapt plant procedures and keep documentation thorough. Each drum of 4-Amino-3,5-Dibromophenol comes with the required analysis, transport documentation, and safety data. Regulatory changes can affect allowable residue levels or require expanded impurity testing. Our teams track these shifts, updating process lines and documentation where needed. This direct approach has kept our shipments moving through customs inspections, saving partners delay and headaches. We don’t try to skirt around requirements—our internal compliance checks have teeth, and our technical paperwork is written by those who actually see the product through each stage.

    Challenges and Continuous Improvement

    Manufacturing brings daily tests—scale-up bottlenecks, batch-to-batch variation, and raw material delays show up in practice, not just on paper. Years ago, recurring yields below target forced us to map out every point of deviation, tighten controls at individual stages, and retrain operators on critical steps. Data from those struggles formed new SOPs, reducing scrap and lifting output quality. Mistakes on the line become improvement opportunities. No one gets everything right the first time; it’s the willingness to review, fix, and refine that improves the process permanently. Every improved batch is a response to an earlier shortfall. That’s a rhythm grounded in factory experience, not spreadsheets.

    Supporting Innovation and Custom Requests

    Users exploring emerging applications rely on a responsive manufacturer to support development. Research teams often contact us for custom grades, modified packaging, or technical details missing from standard sheets. Our process development group thrives on challenge—adjusting batch size, modifying purification steps, or tackling process optimization for downstream needs. These collaborations help us uncover issues early and fine-tune the finished product. Once, a customer needed atypical particle size distribution for a new application. Working closely, our maintenance team retooled the drying and milling operation, leading to smoother integration on their side and better yields for their synthesis campaign.

    Downtime, Demand Spikes, and Supply Security

    Seasonal demand fluctuations and unpredictable market spikes challenge any chemical plant. Long-term partnerships are built on the ability to respond, not just price. Our operations run flexible shifts and maintain buffer stock of intermediate reagents so that urgent orders don’t grind to a halt. Equipment redundancy, scheduled maintenance, and operator cross-training help avoid extended downtimes. The result is a pipeline that remains reliable through changing forecast needs, unforeseen spikes, and even raw material supply interruptions.

    Environmental Responsibilities and Future Plans

    Operating as the source of 4-Amino-3,5-Dibromophenol gives us direct accountability for waste, energy use, and emissions. We continually invest in energy-efficient reactors, improved waste treatment, and water reuse systems. Decades of process improvement cycle back into more responsible chemistry. The ultimate goal—balancing the need for specialty chemicals with practical stewardship—drives us to innovate. Lowering solvent use, recycling process water, and minimizing hazardous effluent aren’t just policies, they’re daily routines that shape plant operations. Our story is one of gradual, methodical progress through every production year.

    Customer Perspective: More Than a Seller–Buyer Relationship

    Direct customers seek more than a box of goods. Many approach us with technical data, feedback, or even constructive criticism. The user’s insight feeds right back into process developments—real-world syntheses, machinery fouling rates, or long-term stability studies prompt us to revisit not just procedures but core assumptions. Some of our best process controls, or most important packaging innovations, started as questions from the floor: “Why does this lot dissolve faster?” or “What’s causing color change over time?” Acting on that feedback sustains a mutually beneficial relationship, not a transactional one.

    Why Direct, Factory-Level Production Matters

    Customer trust grows from knowing the real manufacturer is behind the product. Only the team making 4-Amino-3,5-Dibromophenol can guarantee the fine points—quality, batch traceability, and technical fit. Resellers and traders deal in paperwork, but direct production brings control at every step. As manufacturers, we walk the production line, troubleshoot equipment, and adjust every variable ourselves. This direct presence backs up every claim and ensures no detail is left to chance.

    Conclusion: Learning by Doing, Delivering Through Experience

    Building a 4-Amino-3,5-Dibromophenol supply chain that holds up under real scrutiny isn’t a theoretical exercise. It’s a daily effort, rooted in practice, ongoing audits, and constant adaptation. We stand behind each shipment because we own each result—from the first spark of raw material all the way to the last analytical signature. Long-term customers return for this certainty and for the technical partnership that grows batch by batch, season by season. Manufacturing isn’t about selling a chemical: it is about building a reputation, stepwise, with each successful delivery.