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Acid Red 85

    • Product Name Acid Red 85
    • Alias C.I. 60505
    • Einecs 225-285-9
    • 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

    520562

    Chemical Name Acid Red 85
    Synonyms C.I. Acid Red 85, Acid Red G, Ponceau SX
    CAS Number 3564-09-8
    Molecular Formula C20H10N2Na2O7S2
    Molecular Weight 504.47 g/mol
    Appearance Red powder
    Solubility Soluble in water
    Color Index Number C.I. 45380
    Melting Point Dec. above 300°C (decomposes)
    pH (1% solution) 5.0 - 7.0
    Odor Odorless
    Application Textile dye, biological stain

    As an accredited Acid Red 85 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Red 85 is packaged in a sealed 25 kg fiber drum, featuring clear labeling, tamper-evident seal, and moisture protection.
    Shipping Acid Red 85 should be shipped in tightly sealed containers, clearly labeled according to chemical regulations. It must be protected from moisture, heat, and incompatible substances, and stored in a cool, dry, and well-ventilated area. Transportation should adhere to local and international regulations for hazardous materials to ensure safe delivery.
    Storage **Acid Red 85** should be stored in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and bases. Keep the container tightly closed and protected from moisture and direct sunlight. Ensure the storage area is clearly labeled and equipped with proper spill containment. Use appropriate personal protective equipment (PPE) when handling.
    Application of Acid Red 85

    Applications of Acid Red 85 in Industrial Manufacturing

    As a dedicated chemical manufacturer, we supply Acid Red 85 to a range of downstream industries where its specific performance characteristics support wet-processing production scale, quality consistency, and compliance. Below, we detail real-world use cases where formulators and production managers consistently rely on this dye, specifying industry standards, practical formulation guidelines, step-by-step integration points, and the precise types of finished products that result.

    1. Textile Dyeing: Cellulose Fiber Applications

    Textile finishing plants widely use Acid Red 85 to achieve deep red shades on cellulosic fibers, especially for high-visibility workwear, home furnishing fabrics, and specialty fashion textiles. The dye’s molecular affinity enables even levelness under controlled exhaust conditions, supporting stringent colorfastness and reproducibility requirements for global markets. Application processes place particular emphasis on compliance with restricted substance lists and minimum residue outputs to meet customer and regulatory expectations.

    Industry compliance standards

    • OEKO-TEX Standard 100 (Product Class I-IV)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals – Manufacturing Restricted Substances List)
    • REACH Annex XVII (EU regulation regarding azo dyes)
    • GB/T 17592 (Chinese national testing for banned azo colorants in textiles)

    Typical usage ratio

    • 0.2% – 4.0% owf (on weight of fabric) depending on shade intensity, fabric weight, and liquor ratio adjustments for deep or pale shades

    Downstream process integration

    • Direct addition in the dye bath during exhaust dyeing processes for pure or blended cotton, viscose, modal, or Tencel yarns and fabrics; sometimes incorporated in continuous dye pad-steam operations for large-volume synthetics/cellulose blends

    Final product types

    • Dyed woven and knitted apparel substrates, uniform fabrics, decorative textile sheets, and toweling products

    2. Paper Coloration and Stationery Paper Manufacturing

    Paper mills incorporate this dye at wet-end or size-press stages to enhance visual appeal and brand identification in writing paper, colored copy paper, giftwrap, and specialty stationery substrates. Consistency of dispersion, low bleed-through, and compatibility with paper sizing agents are essential factors. Placement in the formulation process ensures batch-to-batch color reliability, especially where subsequent printing or conversion processes follow strict regulatory and quality parameters.

    Industry compliance standards

    • EN 646 (European color fastness to water test for paper and board)
    • DIN 19353 (Coloration standards for paper – testing for bleeding and migration)
    • ISO 9706 (Permanence requirements for paper, e.g., archival grade stationary)
    • ROHS Directive (when used in packaging with electrical products, restricts hazardous substances)

    Typical usage ratio

    • 0.05% – 0.5% based on dry pulp weight; precise addition adjusted according to desired shade depth and fiber content

    Downstream process integration

    • Addition during pulping (wet-end addition) or at surface sizing (size-press application) following dispersion in water or glycol carriers; batching combined with internal sizing agents and optical brighteners before sheet formation

    Final product types

    • Colored copier paper, pastel and vivid writing sheets, decorative paper, greeting card stock, colored tissue, and envelope substrates

    3. Leather Finishing for Garment and Footwear Grades

    Tanneries use this dye during the fatliquoring and post-tanning stages to provide uniform coloration of full-grain and corrected leather, supporting both aesthetic requirements and strict migration and fastness control under physical conditioning. The dye’s stability in acidic and slightly alkaline environments makes it a reliable option for drum dyeing and spray finishing on natural and split hides, especially when tone clarity and batch consistency are prioritized.

    Industry compliance standards

    • ISO 11640 (Color fastness to rubbing in leather)
    • LWG Silver/Gold Rated (Leather Working Group environmental compliance for chemical inputs)
    • REACH Regulation (Azo dye requirements for finished leather goods)
    • EN 71-3 (Migration of certain elements if used for toys or children’s footwear)

    Typical usage ratio

    • 0.1% – 1.2% based on the shaved weight of leather; final concentration selected based on hide absorption rate, color specified, and finishing layer thickness

    Downstream process integration

    • Dosed in aqueous dyeing drums post-vegetable or chromium tanning, or sprayed during topcoat finishing before mechanical conditioning; blends with resins or binders for enhanced fixation and resistance

    Final product types

    • Colored upper and lining leathers for footwear, garment nappa, soft upholstery hides, automotive leather, and accessories

    4. Synthetic Detergent and Cleaner Coloring

    Home and institutional detergent manufacturers incorporate this colorant in powder, granular, and liquid formulations to achieve product differentiation and batch traceability. Integration must not compromise active ingredient stability or foaming performance, making low-dust and easily dispersible powder forms preferable. Regulatory checks are stringent for products destined for sensitive environments or contact with food-preparation surfaces.

    Industry compliance standards

    • GHS (Globally Harmonized System of Classification and Labelling of Chemicals)
    • EU Detergents Regulation (EC) No 648/2004
    • US EPA Safer Choice criteria (for institutional and household cleaning products)
    • SABS 1828 (South African Bureau of Standards for cleaning chemicals in food industry)

    Typical usage ratio

    • 0.01% – 0.15% depending on shade target, detergent format (liquid/powder), and required concentration for visual identification and end-use branding

    Downstream process integration

    • Addition during blending and pre-packaging for liquid detergents or integrated during spray-drying granulation for powders; color premixes often combined with builders, fragrance carriers, or preservative systems

    Final product types

    • Colored dishwashing liquids, laundry powders, all-purpose cleaning sprays, fabric softener concentrates, and institutional cleaning blocks

    5. Industrial Ink Formulation for Non-Contact Marking

    Acid Red 85 sees widespread use by ink manufacturers targeting non-porous and semi-porous surfaces in industrial printing systems. Formulators leverage its high solubility and resistance properties in water-based jet and flexographic inks, balancing migration control and lightfastness for serial labeling, code marking, and decorative effect printing in the packaging sector. This application demands assurance of batch-to-batch solubility, print clarity, and regulatory conformance for industrial safety.

    Industry compliance standards

    • EN 71-3 (for packaging ink used on children’s products and toys)
    • GMP for Printing Inks (EC) No 2023/2006
    • ISO 2846-1 (Color and transparency for printing ink standards)
    • Swiss Ordinance on Materials and Articles (if used in food packaging inks)

    Typical usage ratio

    • 0.2% – 2.5% in ink concentrate depending on final ink type, intended print density, and carrier solvent/water ratio

    Downstream process integration

    • Dispersed or dissolved during pigment premixing before milling or letdown stages; directly blended into aqueous or solvent-phase bases designed for CIJ (continuous inkjet), drop-on-demand, or flexo systems

    Final product types

    • Serial numbering inkjet cartridges, flexo surface printing inks for bags and cartons, non-contact marking fluids, and tamper-proof packaging solutions

    6. Wood Stain and Lacquer Coloring in Furniture Production

    Wood finish manufacturers select Acid Red 85 when formulating water-based stains and lacquers for hardwood and softwood substrates as it enables precise control of red undertones without impacting viscosity or drying performance. The dye’s compatibility with transparent lacquer and stain systems ensures color uniformity and penetration in surface finishing lines, with careful monitoring to comply with volatile organic content and end-user safety for indoor and contract furniture applications.

    Industry compliance standards

    • EN 71-3 (Safe use for furniture in children’s environments)
    • Directive 2004/42/EC (VOC limits for decorative paints and varnishes in the EU)
    • ANSI/KCMA A161.1 (Performance and qualification for kitchen cabinets in North America)
    • US EPA TSCA (Toxic Substances Control Act requirements for lacquer additives)

    Typical usage ratio

    • 0.05% – 0.7% by total weight of lacquer or stain concentrate, with adjustment based on species, customer color standard, and application thickness

    Downstream process integration

    • Premixed with other colorants and additives during stain formulation, introduced at base preparation for lacquers, and maintained in ready-to-use (RTU) lines for spray, roller, or dip application just prior to topcoating

    Final product types

    • Residential and commercial furniture coatings, interior joinery stains, colored veneer finishes, and retail shelving products
    Free Quote

    Competitive Acid Red 85 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    Acid Red 85: Experience in Sourcing, Consistency, and Industrial Value

    Understanding Acid Red 85

    In the world of industrial dyes, Acid Red 85 has secured its place through steady performance and reliability. We have been manufacturing this product for years, making adjustments in response to real-world feedback from textiles, paper, and leather processing plants. Acid Red 85, with its distinct bluish-red shade, supports a wide range of application needs. True to its classification as a monoazo acid dye, it dissolves with ease in water and applies effectively on both wool and nylon, displaying strong affinity and clear tone across batches.

    Model and Specifications: Real Manufacturing Insights

    Our Acid Red 85 follows the industry-recognized structure and coloring strength. The dye appears in either powder or granule form, each tailored for straightforward handling on standard equipment. Granules reduce dust, helping with process cleanliness and worker safety. The powder variety sees higher demand from established textile dyehouses, where metering and blending come into play. Purity levels consistently reach 95% and above, based on HPLC analysis—this comes not just from certified raw material sourcing but persistent process adjustments driven by input from finishing workshops and pilot scale runs. We pay close attention to moisture regulation to avoid clumping, which can otherwise slow down workflow, especially at high-throughput mills.

    Applications: Lessons from Real Production Lines

    Feedback from the field points to Acid Red 85 excelling on wool felts, pure nylon fabrics, silk, and rayon. Our customers have dyed everything from vibrant scarves to uniform jackets. Acid Red 85 responds well to exhaust and continuous dyeing methods. On wool, operators see level dyeing with stable color yield. The dye resists fading under common household washes, holding color even after repeated cycles. In the paper industry, printers opt for Acid Red 85 to bring life to specialty grades and high-end tissue, where brightness and a bluish-red hue set products apart. Leather finishers trust this dye for both full-grain and corrected hides, where clarity matters for premium visual presentation.

    Working With Acid Red 85: Reliability on the Floor

    Process engineers care about reproducibility. Our product’s dye bath exhaustion stays consistent batch to batch, so production managers rarely adjust recipes once set. Compared to less mature acid reds, Acid Red 85’s molecule offers better migration properties—color penetrates the fiber fully, reducing patchiness. Mill techs have remarked on the product’s solubility, with minimal undissolved residue in spent liquors or dye baths. This reduces cleaning downtime and defect rates, a win for busy facilities.

    Comparing Acid Red 85 to Other Acid Dyes: Factory-Floor Realities

    Unlike broader-use red acid dyes such as Acid Red 18 or Acid Red 1, Acid Red 85 gives a stronger bluish note rather than a pure scarlet. This characteristic comes from its chemical backbone, which handles both deep shades and subtle tints for custom color matching. Where Acid Red 18 fades on exposure to light, Acid Red 85 remains stable under standard interior lighting and sunlight, based on accelerated aging tests from our QC labs. Leather finishers prefer our product when they need greater depth or more defined bluish tones, finding that some reds in the same class turn flat with finishing oils or waxes.

    Some customers consider food-safe reds for select paper or tissue jobs, but Acid Red 85 brings better wet-rub resistance and process speed. Pricing reflects the technical advantages offered, but consistent application results reduce the need for reworks or second-pass adjustments, lowering costs over time.

    Manufacturing Detail: Value Built from Experience

    We source our raw materials directly and audit suppliers quarterly. Minor shifts in starting material quality influence color yield and purity, so our team monitors every shipment before committing to production. We keep updated on changes in environmental regulations affecting key dye intermediates, adapting our process to remain compliant while keeping color stability high. Our QA team measures every lot by ultraviolet-visible spectrum, and we retain samples from every batch shipped out.

    Some newcomers in the market claim ultrahigh purity specifications with little production data backing their claims. Our long-term experience shows stability in purity levels is more valuable to customers than chasing barely significant decimal points. We’ve set up our reaction vessels, filtration systems, and dryers to minimize dust emissions and reduce human exposure, because we’ve seen firsthand how proper handling procedures translate into worker retention and high morale on the floor.

    Environmental Responsibility from Source to Finished Goods

    Customers ask hard questions about effluent management and waste reduction. Acid Red 85 lends itself to closed-loop and modern water treatment setups. Solubility keeps color particles from sticking to piping, minimizing build-up and maintenance headaches. Internal studies support the dye’s performance in low-salt, low-liquor-ratio systems, reducing chemical load in final wastewater. Our own discharge closely tracks provincial and national regulatory updates, with zero tolerance for out-of-spec water quality. Dyehouses tell us our stable formulations mean fewer changes or corrections, translating into less chemical discharge overall.

    We collaborate directly with wastewater engineers who set up on-site treatment protocols at customer locations. We share best practices about pH management, coagulant choice, and oxidant dosing. This commitment means our product generates fewer compliance issues, which in turn keeps both us and our partners out of regulatory trouble. After several years working side by side with customers, we’ve developed a documented track record: plants using our Acid Red 85 have received fewer environmental citations related to dyeing waste streams.

    Worker Safety and Real-World Handling Benefits

    Daily operations bring challenges: dust control, accidental spillage, and handling safety. Our granulation techniques reduce airborne dye dust, making it easier for staff to keep clean and minimizing haze in production areas. Real experience shows every small improvement in dust control turns up in improved equipment uptime and less wear on auxiliary filters and fans. We designed our packaging for ease of transfer, with portions tailored for single-shift use to discourage unsealing and repacking. Our plant managers give regular workshops on spill response, informed by years of day-to-day chemical handling, not theoretical best practices.

    OSHA-equivalent standards matter to us because they matter to our people. Gloves, masks, designated clean-up zones—these are facts on our floor and at our customer sites. We consult regularly with clients about ergonomic product transfer: simple, light, durable containers that fit standard dosing units. By listening to supervisors and floor staff alike, we refine the details that protect health and enhance satisfaction at work.

    Operational Efficiency and Cost Control

    In textile mills, speed and reliability directly impact profit margins. Our Acid Red 85 batches never stray outside agreed-upon color yield ranges, avoiding the small shade shifts that force production stops or costly rematches. At one high-output mill, downtime due to color correction fell noticeably after switching to our formulation, letting them salvage more production hours per month. They found repeated runs came out within target tolerances, delivering the color designers requested, not just something close. Managers remarked on the reduced waste—less need for stripping and redyeing, lower effluent volumes, and less raw material consumption per finished ton of fabric.

    We partner with OEMs who supply making-up equipment, sharing lab data and field feedback. This information loop lets us fine-tune granulation for consistent flow through dosing systems—no more blockages, no more surprise maintenance calls. Chemical cost control does not just mean listing prices. For our long-term partners, we share data on total usage patterns, helping them forecast budgets down to the last kilogram.

    Trust Built from Direct Collaboration

    Our approach rests on frequent conversation with users, not just sales teams. Offsite audits, on-site troubleshooting, and ongoing technical exchanges with dyehouse chemists all shape our product’s development path. Over the years, customers have come to expect not just a shipment but direct dialogue—feedback about color matching, wastewater compliance, and handling specifics feeds into each stage of our process chain. We’ve learned the fastest answers come from the shop floor, not the boardroom.

    Clients value an open book, not empty claims. We publish actual deviation data instead of idealized values, because production-floor staff care about day-to-day differences, not marketing hyperbole. When test runs at a customer site flag an issue, our field technicians spend hours on site, reviewing dye addition sequences and wash cycles until the root cause turns up. Our shared knowledge base builds mutual trust and smoother operations on both sides.

    Future-Proofing Through Investment in Research

    The acid dye landscape is changing, both from environmental demands and performance goals. We invest in pilot reactors and micro-analytical platforms, testing not just for color but for actual fastness under simulated use conditions. Collaboration with academic partners brings deeper insight into new fiber chemistries and advanced finishing treatments. We participate in joint research on lower-temperature dyeing, with Acid Red 85 featuring in trials for energy-saving protocols and direct ozone or UV treatment systems that need dyes stable under future finishing methods.

    Every improvement in dye structure—better solubility, more photostability, reduced side-product formation—draws on thousands of operator hours and dozens of pilot batches. Field data always trumps spec-sheet theory, showing us which tweaks make a real difference in production. Our business plan does not pivot on chasing every trend, but on building incrementally better processes with buy-in from users who put Acid Red 85 through its paces day after day, year after year.

    Supply Security in a Volatile Market

    Raw material price swings and logistics challenges present ongoing risks. We maintain buffer stocks for both intermediates and finished goods, using our own warehouses near major shipping hubs. Close ties to upstream suppliers let us anticipate disruptions, so our contract partners rarely wait on short notice. We share rolling forecasts and adjust shipment schedules in line with real consumption data, not vague projections.

    While transport bottlenecks affected global shipments, we responded by adjusting batch runs to meet staggered, smaller orders—this meant our clients kept production going, even through uncertain months. We absorb cost increases where possible, leveraging scale to avoid passing on every market fluctuation.

    Transparency and Regulatory Compliance

    We guarantee traceability on every shipment. Our internal record-keeping and labeling link each box back to specific lots, starting material sources, production crew, and QC checks. Compliance documentation arrives pre-packed, supporting customs clearance and user audits. We engage directly with product stewardship departments at textile and finishing plants, answering inquiries from both compliance officers and QA teams.

    No shortcuts or rebranded intermediates—what’s listed on our documents matches the product in the box. Our staff undergoes regular training on updates to international trade regulations, so cross-border shipments move smoothly. We know the headaches poor documentation causes, and our hands-on experience shows the difference rigorous compliance makes.

    Continuous Improvement: Listening and Responding

    Trust builds from ongoing results and willingness to refine. Users point out minor flaws—a challenging fabric blend, a unique finishing oil, or a newer weaving technology. We log these, bring samples back to the lab, and test alternative process routes. Incremental improvements stack up: more flexible formulations, tailored technical advice, and repeatable process upgrades from the same core Acid Red 85 product.

    Competitors sometimes market “next generation” dyes with little hands-on data to back them. We find real customer needs focus on removing friction—clearer color, shorter cycle times, fewer stoppages, greater operator safety, and reliable waste management. Each of these points comes from listening, not just compiling standard features. Over time, our relationship with customers shifts from simple sales to long-term partnership based on mutual benefit and transparent communication.

    Concluding Thoughts on Acid Red 85 in Daily Manufacturing Practice

    Our perspective on Acid Red 85 is not built from desk-bound technical analyses, but from years spent on plant floors, talking to chemists, operators, supervisors, and buyers. We see every order as a vote of trust. Through adapting process parameters based on measured feedback, supporting worker health and environmental integrity, and building real technical partnerships, our Acid Red 85 stands as more than just a product code. It represents our hands-on approach, day in and day out, to shared operational success. Every kilogram out the door carries not just a pigment, but a commitment earned over decades of continuous work and improvement.