Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Acid Orange 10

    • Product Name Acid Orange 10
    • Alias Orange II
    • Einecs 220-008-4
    • 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

    833629

    Cas Number 1936-15-8
    Molecular Formula C16H11N2NaO4S
    Molar Mass 366.32 g/mol
    Appearance Orange to brown powder
    Solubility In Water Soluble
    Dye Class Azo dye
    Color Index Number 15510
    Iupac Name Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonate
    Ph Of 1 Solution 6.0 – 7.0
    Light Fastness Moderate
    Main Uses Textile dyeing, biological staining
    Ec Number 217-710-3

    As an accredited Acid Orange 10 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Orange 10 is packaged in a sealed, 500g amber plastic bottle with a hazard label, manufacturer details, and batch number.
    Shipping Acid Orange 10 should be shipped in tightly sealed containers, clearly labeled with hazard information. Protect from moisture, heat, and direct sunlight. Follow all applicable local, national, and international regulations for the transport of hazardous chemicals. Ensure appropriate documentation accompanies the shipment to guarantee safety and regulatory compliance during transit.
    Storage Acid Orange 10 should be stored in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and clearly labeled. Avoid storing near incompatible substances such as strong oxidizers or alkalis. Use appropriate secondary containment to prevent spills or leaks, and ensure access to safety equipment such as eyewash stations.
    Application of Acid Orange 10

    Applications of Acid Orange 10 in Industrial Manufacturing

    Acid Orange 10 is a monoazo dye widely utilized in distinct industrial segments for its stable color properties, water solubility, and compatibility with multiple processing systems. As a direct producer, we supply consistent quality critical for process control in key downstream operations.

    1. Textile Dyeing and Printing

    Textile manufacturers rely on Acid Orange 10 for vibrant coloration of wool, silk, and polyamide fibers. It performs well in both batch and continuous dyeing processes, providing high wash fastness when processed under controlled pH and temperature conditions. Major users include fabric mills and yarn dyers, integrating the dye at the wet-processing stage for uniform color intensity in garments and upholstery textiles.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • REACH Regulation (EC) No 1907/2006 Annex XVII (Azo dyes restrictions)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • ISO 105 series for color fastness testing

    Typical usage ratio

    • 0.1–3% owf (on weight of fabric), optimized for substrate, shade depth, and dyeing method

    Downstream process integration

    • Dispersed in the dye bath after fiber scouring, mixed with auxiliaries for level dyeing or printing paste formulation (direct printing, discharge printing), followed by fixation with controlled pH (4-5.5) and temperature (80–98°C for wool/silk, 100–120°C for polyamide).

    Final product types

    • Wool apparel and yarns
    • Silk scarves and dresses
    • Polyamide sportswear and hosiery
    • Decorative home textiles (curtains, upholstery)

    2. Paper Coloring

    Pulp and paper mills utilize Acid Orange 10 in the mass or surface coloration of specialty papers. Its high affinity for cellulose fibers enables intense, stable shades in tissue, art, and packaging grades. It provides consistent shade even in high-speed paper machines, with controlled migration and bleed resistance after sizing and calendaring stages. Quality assurance demands dye lot traceability and standardized strength for blending with other acid dyes.

    Industry compliance standards

    • EN 646 (Color fastness of dyed paper and board)
    • REACH Annex XVII (Azo dyes in paper applications)
    • BfR Recommendation XXXVI (Paper and board for food contact, Germany)
    • ISO 187 (General test methods for paper and board)

    Typical usage ratio

    • 0.01–0.2% on dry pulp weight; adjusted based on target color intensity and type of surface sizing

    Downstream process integration

    • Added to the stock preparation or color press stage, before sheet formation during wet-end or post-sizing operations; may be combined with retention aids and optical brighteners for improved color yield and fastness.

    Final product types

    • Colored tissue papers
    • Decorative wrapping paper
    • Book covers and art papers
    • Consumer packaging papers

    3. Leather Finishing

    Leather finishing units introduce Acid Orange 10 to achieve even coloring of chrome-tanned and vegetable-tanned leathers in fashion accessories, footwear, and automotive interiors. The dye retains visual depth across hides and splits, even after mechanical buffing and topcoat application. Control over migration and compatibility with fatliquors and finishing emulsions is critical to downstream technical specifications and color matching requirements.

    Industry compliance standards

    • EN ISO 20105-A02 (Color fastness to rubbing for leather)
    • REACH Annex XVII (Azo colorants in leather goods)
    • LWG (Leather Working Group) restricted substance protocols
    • AFIRM Group RSL (Apparel and Footwear International Restricted Substances List)

    Typical usage ratio

    • 0.1–2% based on shave weight; modified according to hide thickness and desired color intensity

    Downstream process integration

    • Dispersed in the dye bath during post-tanning wet process (dyehouse application), followed by fixation, rinsing, and secondary finishing (topcoating, embossing); matches or shades blended with other acid and metal-complex dyes for target hues.

    Final product types

    • Handbags and wallets
    • Dress and safety footwear
    • Car seat covers
    • Leather interiors and accessories

    4. Water-Based Ink Manufacturing

    Producers of flexographic and gravure printing inks select Acid Orange 10 for its solubility and stability in water-based formulations. It yields strong, transparent orange tones compatible with resins and dispersants for paper and nonwoven substrates. Strict filtration and purity requirements support low-foam and high-print-definition ink systems. Manufacturers value shade reproducibility and minimal interference with drying rates in fast inline printing.

    Industry compliance standards

    • EuPIA Exclusion Policy for Printing Inks
    • SWISS Ordinance (SR 817.023.21, for packaging inks)
    • REACH compliance for non-food inks
    • ISO 2834-1 (Proofing of printing inks)

    Typical usage ratio

    • 0.05–1.5% in finished ink formulation; finely adjusted for print coverage requirements and shade strength

    Downstream process integration

    • Incorporated during pigment phase dispersion using high-shear mixers, followed by filtration, letdown, and viscosity adjustment before filling; compatible with acrylic or maleic resin bases and functional additives (defoamers, stabilizers).

    Final product types

    • Water-based flexographic and gravure inks
    • Tissue and napkin printings
    • Gift wrap and bag printing inks
    • Corrugated and linerboard packaging inks

    5. Detergent and Cleaning Agent Coloration

    Detergent compounders incorporate Acid Orange 10 as a colorant for liquid and water-soluble powder cleaners. The dye blends well with surfactant bases, offering color stability over a wide pH range and quick dissolution in water. Adjusting concentration ensures compatibility with fragrance and optical brighteners, while observing chemical labeling and end-market regulatory requirements for household or industrial cleaning products.

    Industry compliance standards

    • EC Regulation No. 648/2004 (Detergents Directive)
    • Cradle to Cradle Certified® Material Health requirements (for colorants)
    • US EPA Safer Choice colorant criteria
    • GHS label and hazard communication standards

    Typical usage ratio

    • 0.001–0.05% in liquid or powder cleaning matrices; levels set by visual intensity and formulation base

    Downstream process integration

    • Dosed into aqueous or powder blend during premixing phase, stabilized with chelating agents if required, followed by incorporation into bulk compounding and packaging; may require additional filtration in transparent/high-clarity solutions.

    Final product types

    • Liquid laundry detergents
    • Powdered household cleaners
    • Industrial floor and surface cleaners
    • Dishwashing liquids and blocks
    Free Quote

    Competitive Acid Orange 10 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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

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    Certification & Compliance
    More Introduction

    Acid Orange 10: Experience Behind Every Batch

    Acid Orange 10 has become an essential dye for textile mills, leather finishers, and scientific labs who look for consistency and dependable performance. From our vantage point on the production floor, we have seen this dye’s journey from raw material bins to the striking shades it helps unlock in finished goods. Its molecular structure, rooted in the family of azo dyes, brings a brilliant orange hue that holds fast under high temperature and acidic environments. We constantly test each batch under industrial conditions, since in real-world use, reliability matters more than what technical data alone promises.

    Our Path Reaching Trusted Quality

    Learning from decades spent with every reaction tank, filtration press, and drying drum, we understand where corners can’t be cut. To deliver a high-purity Acid Orange 10, we refine every input before synthesis. Each run gets verified for shade strength and minimal insoluble content. Stain strength stands above target, so customers see the same vibrant tone across large-lot dyeings, without having to adjust concentrations on the fly. Most requests in the market settle on our standard form: strong, free-flowing orange powder, soluble in water, and thoroughly tested for content and particle size.

    Real Applications and Challenges in Use

    Customers use Acid Orange 10 for a range of needs, but textiles keep it close to our attention. The dye takes well to wool, silk, and nylon, with colors fixed through acid or chrome processes depending on specific textile demands. We have supplied customers who produce school uniforms, bright costumes, and specialized technical fabrics. Some come with requests for a deeper, more durable shade for carpet yarn; others want repeatability for silk ties. Over time, we adapted our process to minimize salt and heavy metal traces, because effluent regulations have tightened and sensitive applications keep rising. Our product now consistently meets the stricter standards our domestic and international partners require.

    The differences in machinery and water chemistry among dye houses create their own hurdles. In high-speed jet dyeing or continuous pad applications, foam formation or particle settling used to bother some customers. Working with those customers, we altered granulation and purity to solve these issues. Some users on older equipment asked for easier wetting and quicker dispersal, so we control moisture content and blending methods during drying and packing. In short, we have tuned Acid Orange 10 over many years to be more than a generic dye powder.

    Distinguishing Acid Orange 10 from Similar Dyes

    Across the acid dye spectrum, not all oranges are created equal. Acid Orange 10 distinguishes itself with shade and stability. We have seen other acid dyes in the orange range—such as Acid Orange 7 or Acid Orange 12—but end users often complain about high migration, poor lightfastness, or a tendency to shift tone after repeated washing. Acid Orange 10 stays truer in shade and stands up better under sunlight and after laundering when handled with proper fixation. For laboratories, the dye’s consistent chemical structure aids spectroscopic analysis, making it a preferred choice in research settings compared to less well-characterized alternatives.

    Challenges That Push Innovation

    Manufacturing Acid Orange 10 means contending with more than just technical hurdles. Each year, we see the impact of tighter chemical safety regulations, stricter effluent requirements, and shifting customer expectations for environmental stewardship. These pressures force every decision, from which suppliers we trust with our starting materials to how we handle every kilogram of waste. Our engineers have worked side by side with staff in charge of waste treatment, finding ways to recover water and energy from processes that traditionally let too much pass into drains and exhaust.

    Recently, tough demands have come from the growing popularity of Oeko-Tex and eco-label certifications. Even if our Orange 10 meets all known product standards, many downstream buyers seek assurances that production rejects old methods: no traces of prohibited amines, lowest possible sodium content, strict absence of certain heavy metals, and reduction of airborne VOCs in our drying steps. Our technical team executes pre-shipment batch testing, recording results in detailed logs traceable over years. The days of shipment-by-shipment variability have largely ended.

    What Model and Specification Mean in Real Terms

    People ask about models and specifications, but behind every code is our actual batchwork. Most customers order our industrial-grade Acid Orange 10, with purity ranging above 95 percent and moisture controlled consistently below three percent by weight. This form dissolves quickly in aqueous solutions at 80-90°C and performs reliably from the laboratory scale to thousand-kilogram industrial lots. Particle size averages below 100 microns, aiding both mixing and dye penetration.

    For users who require less dust, such as automated dosing systems, we offer a granular form by special request, but most customers stick to the regular spray-dried powder. All shipments ship in sealed, moisture-resistant drums, labeled for shade strength rather than decorative marketing claims, because downstream partners judge us by the final product seen in their own processes.

    Traceability, Transparency, and Our Journey with Customers

    Trust grows through transparency. Each production record links to raw material batches, so if a customer reaches back months later with a complaint or just a query, we can pull up process details and specific QC tests on that run. On two occasions, a dye house traced unexpected spotting on finished rolls back to high calcium levels in their water—our records allowed them to separate equipment factors from product issues, and both times we found a fix together.

    Some industries using Acid Orange 10—like food coloring or cosmetics—use different grades, often tested for extremely low contaminants and approved by food safety bodies. Our regular Orange 10 supplies textile and leather sectors, not food. Still, we develop pilot samples for these users, who audit our facilities and scrutinize our materials chain.

    Specialty and Common Uses: Beyond the Expected

    Laboratories use Acid Orange 10 in more than dyeing; staining of microscope slides for tissue work or tracing water flow through porous rock in research lands on our list of specialty sales. Water treatment and monitoring kits include the dye for visibility tests. Some rare applications asked for ultra-pure, research-grade Acid Orange 10—low in sodium, ultra-filtered, packed to eliminate any trace of cross-contamination with previous products in a line. These aren’t our bread and butter, but the know-how built from such requests feeds back into better process control for all production runs.

    What Makes a Batch Reliable

    A chemical product, to earn its place in demanding applications, requires repeatable handling, clear documentation, and responsiveness from manufacturer to user. Many new dye houses or research labs call asking about Acid Orange 10, thinking of it as a commodity. After processing a few runs, they often find that sources with inconsistent shade strength or trace impurities create rework, wasted time, and failed products. Years of listening to these customers, facing dye lot test failures or regulatory checks, taught us to over-communicate about composition, storage, and shelf-life.

    Stable shelf life, achieved by drying and sealing procedures, keeps the dye functional over a year when stored cool and dry. Some customers in humid regions requested extra desiccants or smaller drums. We worked through logistic headaches to make these options affordable, since lost product hurts trust more than the cost of a little extra packaging.

    How Acid Orange 10 Compares in the Field

    On the market, price competition is fierce. Traders pop up offering cuts of Acid Orange 10 from unknown origin, sometimes passed off as higher purity yet cut with residual salts or labeled at inflated concentrations. Customers burned once seldom risk process line downtime a second time. Our long-term buyers value documents that aren’t mere certificates but backed by production logs, HPLC or TLC results, and occasional batch-specific application tests on request.

    Compared to synthetic orange dyes for the basic, direct, or reactive classes, Acid Orange 10 does not migrate as easily at neutral pH but binds more permanently under low pH. For wool and silk, this gives deeper, more intense coloration and prolongs use-life of garments exposed to repeated gentle washing. Our samples show that when finished right, Acid Orange 10 dyes hold brighter and more stable shades across bulk dyeing while keeping bleeding to a minimum.

    Adaptation in Production Scale and Customer Demand

    Our plant runs batches sized for both steady large users and those evolving to higher-volume production. Smaller test runs enable custom shade matching and experimental process changes. Nearly every year we adjust vessel sizes or cycle times to accommodate newer client demands, sometimes at the cost of process efficiency in order to ensure reliability for specialized jobs. Throughout recent industry transitions, we see end-users push for more sustainable chemistry and cleaner production.

    Where years ago few cared about chemical oxygen demand in effluent, buyers now ask detailed questions. We field teams to work the finer points of water reuse and on-site neutralization, so Acid Orange 10 becomes not just a dye but part of the sustainability story customers tell their own markets. We want the product leaving our gates to work not only for color brightness and fastness, but for minimized downstream waste burden.

    Continuous Improvement: Listening Shapes the Product

    Shifts in fashion, market trends, and new chemistry sometimes demand modified dye characteristics. Where once only brightness and cost ruled, today people expect answers about the origin of every input—down to the additives used for spray drying. Our technical and quality teams track global research and regulations, adjusting synthetic routes or process aids to meet new demands, from allergen-tracing to microplastic reduction. Customers who have been with us the longest often bring up decades of color recipes and stories associated with our dye, which shape our motivation for continuous product improvement.

    Every season, feedback from production chemists and users at dye houses filters back into small adjustments—sometimes to drying times, sometimes to the sequence of blending, sometimes a deeper look at alternative raw materials to further reduce impurity risk. The process to improve never pauses.

    Commitment to the Next Generation of Orange Dyes

    Acid Orange 10 might look like a simple powder to an outsider, but inside every drum is a record of careful chemistry, trial, and error. Few new dye chemistries deliver simple drop-in replacements for this product’s specific performance profile, but we remain on watch for safer, yet similarly strong solutions. Investment in safe process waste handling, ongoing worker training, and transparent reporting secures the long-term viability of both the dye and our relationships with users.

    Educating users on safer handling, correct pH setting, and optimal use of acid assistants saves time and resources for all downstream processes. We not only sell Acid Orange 10, but support customers in operator safety, efficient rinsing, and clean disposal—because any failure reflects back up the supply chain.

    Trusted By Professional Users: Direct Knowledge, Not Hype

    The reputation of Acid Orange 10 does not come from big marketing spends. It travels by word of mouth within and between industries, grounded in observations from those who use it daily. Technical directors from textile mills, lab managers in education and research, and longtime purchasing agents in leather all share the same feedback: dependability is more valuable than marginal cost cuts. Problems handled in partnership, and transparency in every process, turn single orders into decades of business.

    As a manufacturer, we know every supplier and every step that leads to Acid Orange 10 leaving our plant. We have improved, learned from mistakes, invested in people and equipment, and dug deep into the chemistry behind every color. For those who work with Acid Orange 10, the difference is clear not only in the shade, but in the reliability and support that back every shipment.