Brown BR

    • Product Name: Brown BR
    • Alias: brown_br
    • Einecs: 215-475-1
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    364715

    Name Brown BR
    Type Synthetic dye
    Color Brown
    Chemical Class Azo dye
    Ci Number CI 21010
    Solubility Soluble in water
    Application Textile industry
    Ph Stability Stable in neutral and slightly acidic conditions
    Appearance Brown powder
    Molecular Formula C18H10N6Na2O9S2
    Lightfastness Moderate
    Toxicity Moderately toxic
    Melting Point Decomposes on heating
    Cas Number 10114-60-4

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

    Packing & Storage
    Packing Brown BR is packaged in a tightly sealed 25 kg fiber drum, lined with plastic, and clearly labeled for chemical use.
    Shipping Brown BR should be shipped in tightly sealed, clearly labeled containers, compliant with relevant transport regulations. The chemical should be kept away from incompatible substances and protected from moisture. Proper documentation, including safety data sheets, must accompany the shipment. Follow all local, national, and international guidelines for safe chemical transportation.
    Storage Brown BR should be stored in a tightly sealed container in a cool, dry, and well-ventilated area. Keep it away from direct sunlight, sources of heat, and incompatible materials such as strong oxidizers or acids. Ensure the storage area is equipped with appropriate spill containment and clearly labeled. Follow all relevant safety guidelines and local regulations for hazardous chemical storage.
    Application of Brown BR

    Purity 98%: Brown BR with 98% purity is used in textile dyeing processes, where it ensures deep and uniform color penetration. Molecular Weight 350 g/mol: Brown BR with molecular weight 350 g/mol is used in leather finishing applications, where it improves coating consistency and adhesion. Water Solubility 10 g/L: Brown BR with water solubility of 10 g/L is used in aqueous ink formulation, where it guarantees stable dispersion and vibrant print quality. Melting Point 210°C: Brown BR with a melting point of 210°C is used in plastic coloring applications, where it offers high thermal resistance and enduring color stability. pH Stability 6-8: Brown BR with pH stability range 6-8 is used in paper dyeing processes, where it maintains color integrity under neutral to slightly acidic conditions. Particle Size D50 5 μm: Brown BR with particle size D50 of 5 μm is used in paint manufacturing, where it provides smooth texture and enhanced surface coverage. Lightfastness Grade 6: Brown BR with lightfastness grade 6 is used in outdoor coatings, where it delivers resistance to fading under prolonged UV exposure. Viscosity 20 mPa·s: Brown BR with viscosity of 20 mPa·s is used in textile printing pastes, where it allows for easy processing and precise color application. Stability Temperature 120°C: Brown BR with stability temperature of 120°C is used in high-temperature dyeing baths, where it prevents color degradation and maintains final product quality. Salt Content <1%: Brown BR with salt content less than 1% is used in cosmetic pigment formulations, where it reduces risk of skin irritation and improves product safety.

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    Competitive Brown BR prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Introducing Brown BR – A Colorant Engineered by People Who Make It

    Real Work Begins with Reliable Brown BR

    Brown BR has grown from lab tests to full-scale plant runs in our own facility. It’s no accident. Every batch lands in front of us with the exact shade, tone, and purity that our long-term partners expect. The color “Brown BR” refers to a high-performance dye made primarily for textile applications, but it doesn’t stop at fabric.

    Years of mixing, sampling, and direct feedback from floor operators have shaped how we produce and package Brown BR. Our team stands behind a granular product that shows clear and predictable color strength, fastness, and solubility when properly guided through standard dyeing systems. With every release, we test for tight shade tolerance, minimal dust-off, and even particle distribution. This is not just a chemical from a sales sheet; this is a product of hard-won process experience.

    Model and Specifications: Crafted with Application in Mind

    We run Brown BR on a large-volume, high-temperature process line that’s built for consistency. We check pH, impurities, and particle size batch by batch. Our most common model offers a medium-strength brown, engineered for direct exhaustion and padding processes. Each bag, each drum, carries a batch number that ties back to full QA records, not just loose promises.

    There’s no shortcut in controlling heavy metal content and salt levels. Our standard form releases minimal residue and stays stable under most storage conditions, even in humid warehouse corners where humidity can challenge both pigment dispersion and powder flow.

    On the technical side, Brown BR supports fast dyeing cycles. You can charge your liquor, circulate, and watch how the shade builds up on a fabric core. Our product gives off little foam and presents low staining risk on machine linings and accessories. In discharge, the rinse-off is clean, noticeably reducing filtration downtime and helping you meet waste treatment targets.

    Usage in the Field – Where We’ve Seen it Matter

    Every producer who runs commercial lines knows that things don’t always follow textbook instructions. We’ve faced sudden water hardness changes, steam leaks, line stoppages, and unexpected recipe tweaks. Through it all, Brown BR has delivered solid performance.

    In cellulose fiber dyeing, it gives a stable brown shade under both exhaust and continuous pad-steam methods. After plenty of day-to-day runs, we see solid penetration, limited backstaining, and shades that stay true after repeated commercial wash tests. Cotton, viscose, blended fibers—all respond predictably to the right liquor ratios and routine pH adjustments.

    On the leather side, several large tanneries have told us straight up that our Brown BR brings fewer surface specks and deeper absorption, thanks to finer grinding in the finishing stage. We’ve collaborated with color labs to test light- and perspiration-fastness, running inter-lab matches to prove it. Consistent, clear browns last on automobile and upholstery leathers even after years of use.

    Specialty paper mills use Brown BR for continuous tinting. The fine granule size allows the brown tone to carry evenly through pulp, even in large hoppers where clumping kills productivity and leads to rejects. What we like most is watching operators skip a second pass through the chopper—Brown BR pours clean, with minimal bridging inside feeders.

    In masterbatch manufacturing, some clients opt for Brown BR for its minimal effect on compound melt flow. We work with their QC teams to analyze compatibility, so there’s no migration or bleeding—vital for consumer packaging that hits food contact thresholds. The thermal stability of our product means that plastic color remains even after heavy injection or extrusion cycles.

    Several producers in construction materials choose our dye because it minimizes streaks in finished surface treatments. On site, laborers comment about the rich tone and the ease of dispersion—finer, better-dispersed browns mean less mixing time and happier crews.

    What Makes Brown BR Stand Out: Lessons From the Production Floor

    Not all browns are sold the same. A formula alone does not tell the whole story. We’ve handled many “brown” products from other makers. Some are damp, some throw dust in the air or clump and bridge instead of pouring. Not all run well in plant blenders or powder transfer lines. After years of hands-on work, we built our drying, granulation, and sieving steps to avoid these pitfalls.

    Our staff knows the importance of true, reproducible shades for bulk orders. Clients get nervous when browns shift, especially in big jobs for large retailers. We avoid shade drift by locking in key process controls, maintaining record curves for each pigment batch, and running cross-checks against retained samples. No one should have to worry about color rejection from picky buyers or regulatory agencies—our own lab and plant teams ensure Brown BR stays within published shade targets.

    One overlooked factor is storage and handling. Many brown dyes lose activity or shade sharpness if they pull moisture from warehouse air or compress at the bottom of tall bags. Our in-house drying and post-packaging checks keep water content low, less than 1.5%, helping to avoid globs and promoting free flow for automated lines. We also invest in double-lined kraft sacks and a strict palletizing routine. End users who used to cope with powder leaks and damaged bags in transit now receive intact shipments—these details make a difference on the plant floor and in the books.

    Health and safety must not take a back seat to performance. Our formulation keeps dust-off to a minimum, both for operator safety and for equipment health. We follow internal protocols set up after years of regulatory compliance audits. Dust control leaves the shop cleaner; it also means better worker morale, with fewer respiratory complaints and site shut-downs.

    Why We Built Brown BR This Way

    The idea behind our product always sprang from conversations with users, not just technical specs. Operators asked for a brown dye that would rinse clean, not streak, and could be measured and dispensed without special equipment or hours of weighing. Plant managers wanted a batch that would not gum up augers or feeders after sitting for three months in storage. Maintenance teams wanted a brown that wouldn’t stick to pumps or foul valves when left overnight in lines.

    In development, our engineers ran batch after batch in their own pilot test tubs. Sometimes, the color came out redder than we liked; sometimes, clumping created application headaches. Over three years, we tweaked our hydration, filtration, and milling steps—always thinking of how it would actually run in someone’s plant, not just on an analytical chart or in a glass flask. The “right” granule size emerged only after repeated failures and lessons from production jams.

    Raw material choices shape the final product. We realized early on that only specific organic intermediates brought acceptable fastness and wash stability; cheaper alternatives brought too many trade-offs in real-world processing. Our own in-process analytical controls grew out of test runs done while solving shipment claims and trying to improve rejection rates at customer sites.

    Because we make the product ourselves, we hold responsibility for its consistency every step of the way. If a shipment doesn’t meet target spec, we catch it and rerun the process rather than pass the cost or problem downstream. Plant teams work closely with QC, so nothing moves out until the paperwork matches the physical product in both lab and field trials.

    Facing Industry Challenges and Finding Pathways

    The chemical colorant market can be brutal. Over the years, we have seen periods where rival suppliers tried to undercut with subpar material—sometimes mixed with filler, sometimes saved from scrap processes that produce off-tones. Brown BR, built on routine QA checks and honest process control, can’t and won’t be the absolute cheapest—but our approach cuts costly rejected lots, messy rework in end user shops, and headaches when a brand’s quality team throws a red flag.

    No plant runs in perfect lab conditions. We design our dye with toughness in mind, factoring in variable water supply, unplanned production stops, and day-to-day pressure to keep machines full and outputs running. Lightweight packaging can turn into a serious asset: big lots move faster, receive easier, and load without strain on small teams. End-of-line fielding—how shade looks under real-world light, in fast-moving production—matters as much as any number in a specification sheet.

    Supply chain interruptions have hurt many, especially when raw inputs suddenly become scarce or delivery routes shut down. By keeping our supply of critical intermediates as local as possible, and never over-committing during raw material crunches, we’ve earned the trust of dye users who measure performance in containers per month, not just sample jars. Our practice is straight: don’t book what we can’t deliver, and never hide a production risk. That way, partners can commit to downstream volume knowing they will get what they planned for.

    From a regulatory point of view, controls get tighter every year. We keep updated on both local and international guidance, especially concerning heavy metal, formaldehyde, and banned amine contents. Our formulation and plant records document every input, every blend—so buyers pass audits with clean paperwork and clear, accurate answers when asked for technical files.

    Environmental concerns have shaped technical work. We treat our process water before discharge, not just for regulation but to avoid downstream contamination risks. Filtration, recycling, and energy recovery all play into reducing production costs and community impact. Our Brown BR, compared with earlier generation browns, leaves lower total organic load in process effluent, helping downstream users avoid non-compliance or accidental spills.

    To meet future pressures for high-performing but safer colorants, we constantly evaluate alternative ingredients and green chemistry opportunities. While breakthroughs don’t happen every week, sometimes minor tweaks and steady improvement in filtration or drying processes allow for quieter operations and smaller environmental impact.

    Comparing Brown BR to What Else Is Out There

    Many in our field have tried alternate brown shades from both global brands and minor suppliers. Some buyers chase ultra-low price points, only to find their jobs stuck with shade mismatches, settling issues, or blends full of inert ballast. Our Brown BR holds a reputation not only for reliability but also for clean, rich, deeply colored shades that stay locked on the substrate without heavy bleeding or fading.

    Some alternatives build their appeal on branding or bold claims but overlook practical points like real storage stability or support during production issues. As actual chemical makers, we have learned that close technical support beats even the shiniest spec sheet—a plant manager calling after a shift problem gets quick, informed troubleshooting that draws on our own hands-on process records, not a polished script or manual.

    Brown BR’s granular form cuts dusting and caking versus a standard powder. This gets noticed especially in automated dosing and feeding systems, where stuck feeders mean lost time and bruised production schedules. Where others push older formulation legacy products not suited to today’s faster, leaner lines, Brown BR has adapted to modern workflow, tighter schedules, and tougher durability targets.

    By maintaining batch-size flexibility, we respond rapidly to large runs as well as specialty lots—key for both multinational producers and local specialty houses. Rather than outsource or re-badge wholesale goods, we answer direct process and logistics questions. End-users deal with our own team, closing the loop from plant to finished article.

    Another difference shows up in transparency. Every shipment leaves our plant with traceable paperwork and clear technical data, built from our own real production. Customer feedback—good or bad—directs our future changes. Clients who have switched from commodity brown suppliers usually report fewer production surprises and lower rework rates after changeover.

    Brown BR represents what happens when real manufacturing, live user experience, and honest communication line up. Whether in textile dyehouses, leather finishing plants, masterbatch workshops, or construction material operations, the difference isn’t just in the product—it’s in every upstream and downstream conversation we share.

    Our Commitment: Delivering Brown BR as We’d Use It Ourselves

    Every chemical product reflects the plant that makes it. Brown BR is the outcome of incremental improvement, guided by expert colorists, machinery operators, and on-site partners. We own each shipment, support each order, and adapt production as new demands or challenges arise.

    Our teams work on continuous feedback—not just numbers, but real-life performances and candid user reports. Our job doesn’t finish when the drum leaves our loading dock. Reports on shade drift, machine cleaning, or unexpected production stops all feed back into our next cycle of process improvements.

    We are proud to put our name on every bag of Brown BR because we build it to hold up where it counts: at your mixing tanks, in your dye kettles, and in your finished goods. Trust comes from showing the same diligence batch after batch, order after order, year after year.

    Every user who switches to our dye experiences the results that come from a maker who stands behind the product, sees how it runs, and cares about what happens after the invoice. The color, reliability, and workability of Brown BR stands as our best answer to past problems and our promise to meet the next challenge.

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