Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Disperse Orange 25

    • Product Name Disperse Orange 25
    • Alias C.I. 36810
    • Einecs 246-104-0
    • 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

    694332

    Chemical Name Disperse Orange 25
    Other Names 1-Amino-2-cyano-4-(4-N,N-diethylaminophenylazo)benzene
    Cas Number 3648-33-9
    Molecular Formula C17H18N4O
    Molecular Weight 294.35 g/mol
    Appearance Orange powder
    Solubility Insoluble in water
    Melting Point 166-170°C
    Application Textile dye (for polyester and acetate fibers)
    Color Index Number Disperse Orange 25 (CI 36825)
    Uv Maximum Absorption Approximately 442 nm
    Ec Number 222-885-2

    As an accredited Disperse Orange 25 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Disperse Orange 25 is packed in a sealed 25 kg fiber drum with inner polyethylene lining, clearly labeled with product information.
    Shipping Disperse Orange 25 should be shipped in tightly sealed containers, labeled according to regulatory requirements. Store and transport in a cool, dry, well-ventilated area away from incompatible substances. Ensure protection from heat, moisture, and direct sunlight. Follow all applicable local, national, and international shipping and hazardous material regulations.
    Storage Disperse Orange 25 should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight, ignition sources, and incompatible materials such as strong oxidizers. Prevent dust generation and buildup. Use appropriate personal protective equipment when handling and ensure good industrial hygiene. Label containers clearly and store away from food and drink.
    Application of Disperse Orange 25

    Applications of Disperse Orange 25 in Industrial Manufacturing

    Disperse Orange 25 serves as a specialized disperse dye in multiple synthetic fiber coloration processes, renowned for its stable shade and thermal resilience under varied processing conditions. Our manufacturing expertise supports downstream partners in textile finishing, fiber spinning, and related industrial operations by ensuring consistent dye quality, batch-to-batch reproducibility, and technical compatibility with modern automated production lines.

    1. Polyester Fabric Dyeing

    Leading polyester textile mills incorporate Disperse Orange 25 for high-temperature pressure dyeing, targeting sportswear, fashion apparel, and home textiles. By offering resistance to washing and light, this dye supports the production of vibrant, lasting shades for competitive retail sectors that demand on-trend coloration. Process conditions typically involve high liquor ratios to promote even dye uptake and minimize migration, with application parameters closely monitored to meet quality control standards.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ZDHC MRSL Compliant Formulations
    • REACH Annex XVII/VI (EU)
    • GB/T 17592-2011 (China–Limit of banned azo dyes)

    Typical usage ratio

    • 0.2%–3.0% owf (on weight of fiber), adjusted for shade depth, fiber denier, and liquor ratio in winch, jet, or beam dyeing machines

    Downstream process integration

    • Dissolution in glycol or dispersing agent, then addition to dye bath during main coloration cycle following scouring and just prior to temperature elevation phase

    Final product types

    • Apparel-grade polyester fabrics
    • Polyester home furnishing textiles
    • Performance sportswear
    • Automotive polyester upholstery

    2. Acetate Yarn Coloration

    Producers of acetate yarns use this dye during package or hank dyeing to secure consistent orange shades across batches intended for linings, ribbons, and specialty textiles. The chemical’s solubility and even dispersion help withstand filament processing conditions—including tension and solvent washing steps—ensuring smooth shade transition throughout yarn lots without spotting or streaking.

    Industry compliance standards

    • CFR Title 16, Part 1610 (USA Flammability Standards for Textiles)
    • ISO 105-C06:2010 (Color fastness to domestic and commercial laundering)
    • REACH SVHC Communication Obligations
    • AFIRM Restricted Substances List (brands’ chemical management)

    Typical usage ratio

    • 0.5%–2.0% owf, varying according to color depth and substrate denier

    Downstream process integration

    • Incorporated into dye liquor after preliminary wetting and pre-treatment, with the dye bath temperature ramped up to 85–100°C for 30–60 minutes prior to soaping and rinsing

    Final product types

    • Pigmented acetate yarn used in lining applications
    • Colored embroidery threads
    • Acetate-based ribbons and trims
    • Fashion scarf textiles

    3. Polyester Fiber Dope Dyeing (Mass Coloration)

    Manufacturers integrating colorants before fiber extrusion turn to Disperse Orange 25 for dope dyeing of polyester, ensuring color is locked in at polymer melt stage. This method delivers fibers with high light- and wash-fastness, widely favored in outdoor textiles and flooring where exposure to environmental stress necessitates long-term color stability from the inside out.

    Industry compliance standards

    • ISO 1833 Series (Quantitative chemical analysis of textile fibers)
    • EN 14041 (Resilient, textile and laminate floor coverings — Essential characteristics)
    • REACH Regulation (EC) No 1907/2006
    • UL 2818 GREENGUARD Certification for Low Chemical Emissions (Indoor Applications)

    Typical usage ratio

    • 0.15%–0.6% based on polymer weight; dosage adjusted according to filament thickness and color target, with pilot trials prior to full scale runs

    Downstream process integration

    • Colorant dispersed directly in polyester melt via twin-screw extruder feed, ensuring full encapsulation before fiber spinning, quenching, and drawing operations

    Final product types

    • Color-stable polyester staple fibers
    • Nonwoven geotextiles
    • Indoor and outdoor upholstery fabric
    • Polyester-based carpets and floor coverings

    4. Transfer Printing Paper for Synthetic Textiles

    Producers of sublimation transfer paper employ Disperse Orange 25 in ink formulations that support digital and rotary print technologies. The dye’s high sublimation efficiency at temperatures between 190–220°C enables quick transfer onto polyester substrates without bleeding or color distortion, supporting precision graphics for sportswear, promotional goods, and signage textiles.

    Industry compliance standards

    • EuPIA Exclusion Policy for Printing Inks
    • ISO 2846-1:2017 (Color and Transparency of Ink Films)
    • RoHS Directive (for electronics/printed graphics applications)
    • REACH Pre-Registration/Article 33 Communication (Substance identification)

    Typical usage ratio

    • 2%–8% of dye in ink formulation, fine-tuned for desired image intensity and transfer efficiency; depends on printer technology and transfer substrate

    Downstream process integration

    • Formulation in sublimation ink concentrates, followed by gravure or inkjet application during transfer paper manufacturing; ink-coated paper undergoes controlled drying prior to downstream heat-press transfer onto textiles

    Final product types

    • Commercial sublimation transfer papers
    • Custom sports uniforms
    • Display banners and advertising flags
    • Decorative household polyester textiles

    5. PET Plastic Masterbatch Coloring

    Plastic converters use Disperse Orange 25 in PET masterbatch production, enabling consistent orange shades in injection-molded and blow-molded packaging. This approach addresses migration resistance and thermal stability during molding, supporting food-contact and consumer-goods packaging sectors where color intensity and regulatory compliance must align with safety and branding requirements.

    Industry compliance standards

    • EU Regulation No 10/2011 (Plastic materials and articles intended to come into contact with food)
    • FDA 21 CFR 177.1630 (Polyethylene terephthalate copolymers)
    • ISO 9001:2015 certified color masterbatch batch traceability systems
    • REACH Compliance (Substance disclosure and limitations)

    Typical usage ratio

    • 0.10%–0.45% dye content in masterbatch, dosed at 2%–4% of masterbatch in polymer processing based on opacity and end use color consistency required

    Downstream process integration

    • The dye is dispersed in PET during masterbatch melt mixing, then pelletized and introduced to plastics converters in extrusion or molding operations, typically after drying and dosing with virgin or recycled PET

    Final product types

    • Colored PET bottles and containers
    • Colored film and sheet for packaging
    • Consumer electronics casings
    • Promotional and retail PET packaging
    Free Quote

    Competitive Disperse Orange 25 prices that fit your budget—flexible terms and customized quotes for every order.

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    We will respond to you as soon as possible.

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    Certification & Compliance
    More Introduction

    How We Make and Stand Behind Disperse Orange 25

    An Introduction Rooted in Manufacturing Hands-On Experience

    As a direct manufacturer of Disperse Orange 25, we spend years understanding the demands of textile businesses and technical dyeing applications. Every batch leaving our production site represents our commitment to stable coloration, reliability, and performance. Unlike trading houses or resellers, our work doesn’t start at the marketing desk—it begins in the lab and on the shop floor. The product you receive has been processed and tested on our equipment, managed by teams with real experience in process controls and dye chemistry.

    Disperse Orange 25, with its chemical structure as a monoazo dye, falls into a core group of textile colorants. This one displays a vibrant orange hue, best known for its clarity, brightness, and resistance to fading. Manufacturers like us appreciate it for more than just its look. Day after day, we run this product through high-temperature dyeing operations, and see consistent results on polyester fabrics, cellulose triacetate, and blends. We live with its performance—not just on lab reports, but on finished goods, in customer feedback, and as part of industrial partnerships that only grow when trust is built batch by batch.

    Our Production Experience Shapes the Product

    The backstory of Disperse Orange 25 inside our factory walls drives much of its difference compared to typical market offerings. We start with carefully chosen raw materials, insisting on the highest purity available. Our synthesis process runs on time-tested, efficient equipment—we’ve fine-tuned each reactor, filtration, and granulation stage. Why does this matter? Because even the slightest slip in temperature or pH can mean off-shades, reduced solubility, or particles that clump rather than disperse. When dye batches fail to meet specs, we scrap them. No shortcuts, no “good enough for now” attitudes.

    We don’t just rely on batch records. Every day in production, we sample and test for shade (using advanced spectrophotometry), fineness (through sieve analysis), and dispersibility (with accelerated shaking and agitation tests). When customers talk about other suppliers’ orange dyes that settle fast or show floating particles, we know the headache: uneven fabric coloring, filter clogging, customer complaints. Years of manufacturing have taught us how critical those fines and dispersion grades are—each kilogram is as much about process discipline as it is about molecules.

    What Stands Out in Our Disperse Orange 25

    Because we produce Disperse Orange 25 at scale, we see the details that set batches apart—not just color intensity, but flow, stability in storage, and behavior in actual machines. The dye must disperse quickly and remain suspended, even in soft or hard water, and under varied machine conditions. We build our process to guard against lumping. No customer wants blocked jets or uneven deposit, and we engineer our dispersants and stabilizers accordingly.

    Technical users often compare Disperse Orange 25 with similar orange shades, such as Disperse Orange 30 or Disperse Orange 13. In our operation, Orange 25 consistently produces cleaner shades—no pronounced yellow overtones, no muddy undertones. The molecular structure plays a big part. Disperse Orange 25 adheres to polyester with excellent fastness properties: high resistance to washing, good lightfastness, and low tendency to bleed. In side-by-side dyeing trials conducted in-house, we measure not just color depth, but also post-dyeing migration and retention, and this dye wins out more often in production-scale polyester jobs.

    On practical terms, Orange 25 is less prone to unevenness (“patchiness”) in atmospheric dyeing as well as high-temperature settings. Other manufacturers sometimes cut corners with incomplete filtration or inconsistent milling. Our filters and mills run at calibrated speeds, and we regularly clean and revalidate our systems to avoid contamination and oversized particles. We work hard to eliminate the “speck” issues that haunt end-users and finishers who process delicate or high-value textiles.

    Our Commitment to Quality: Every Batch, Every Time

    Some customers ask why not just buy from the lowest-cost offer or chase the market’s cheapest supplier. Our answer comes from experience. We’ve seen mills spend more on reprocessing and complaint handling than they save up front. A few cents less per kilo doesn’t cover recalls, customer claims, machine downtime, or lost production hours. We run our own controls on each batch: from raw material identity checks to finished goods packing. We store reference samples for every lot—if any batch doesn’t perform as specified, we can trace it back, retrieve material, and address it fast. We also pay close attention to packaging—our sealed bags and drums guard against moisture pick-up, a real risk in humid or monsoon climates.

    Dyeing houses with continuous operations contact us directly to request tighter particle size, additional dust control, or optimized dispersant systems. Our in-house specialists collaborate with customers to tweak formulations, rather than push a “one size fits all” recipe. We support bulk users with technical advice, machine parameter suggestions, and troubleshooting, so dyed lots look vibrant and finished goods pass international fastness standards. Our factory’s scale lets us produce to order, reducing freshness concerns and storage problems for both sides.

    Understanding Where Disperse Orange 25 Fits Better Than the Alternatives

    A manufacturer spots the difference right away between Disperse Orange 25 and products like Disperse Orange 30, which sometimes run redder, or Orange 13, often used for less intense orange demands due to its lower tinctorial strength. Customers seeking precise matches for high-visibility workwear, flags, and premium apparel reach for Orange 25 because of its clean chroma and repeatable performance. Polyester dyeing is never a plug-and-play job—every line, every machine, every water source throws up surprises.

    Based on real-world use, Disperse Orange 25 performs reliably in direct exhaust, high-temperature, and carrier dyeing methods. We’ve checked it in local and export goods, batch and continuous operations. The dye remains an industry standard, especially where brands demand consistent shades under tough end-use conditions: repeated washing, outdoor exposure, and complex finishing. Every feedback call, every report from the floor, guides our continued process improvements and raw material planning.

    Sustainability and Safety—Built Into Everyday Production

    As the actual manufacturer, we see firsthand the challenges of balancing performance, price, and environmental goals. Disperse dyes demand careful handling. We invest in closed-system synthesis to cut down dust and air emissions, utilize high-efficiency scrubbers, and recycle process water as much as feasible. We train our staff on safe material handling, not just for paperwork but to protect real people day in and day out.

    Our efforts go beyond mandatory safety data. We stay up to date on REACH, GHS, and evolving international regulations. This proactive approach reduces trace contaminant risk, for example, by controlling illegal aromatic amine content. All shipments of Disperse Orange 25 meet current regulatory and customer audit requirements. We fully share traceability and compliance records—not to tick boxes, but to ensure that downstream users can face their own customers and regulators with confidence.

    Why We Keep Manufacturing Disperse Orange 25 With Rigor

    We see every day how Disperse Orange 25 serves not only textile mills but also film and plastics processors who need tough, stable orange coloring. Our customers range from large export-oriented garment factories to niche technical finishers. In direct dialogue, we understand their dyeing conditions, water sources, and quality headaches. That’s how we keep updating our processes—never letting complacency set in.

    We also realize markets cycle and customer needs shift. Some years, high-visibility garments dominate orders. Other times, there’s a swing toward more subtle tones, pushing us to refine the shade or optimize particle size even further. Our team doesn’t just watch trends but listens to practical difficulties on production floors: beading, migration, airborne dust, or waste minimization. Each concern filters into our operation, so next time you order, you’re gaining a product shaped by thousands of hours of technical work and customer feedback.

    Serving Customers With Transparent Information and Ongoing Improvement

    The users who trust us don’t demand perfection; they do expect honesty, support, and continuous improvement. We publish not only our typical chemical and color properties but also actual measured fastness, particle size distribution, and customized application notes reflecting local water and process variables. Customers appreciate our willingness to talk through unusual fabric conditions, help trial dye recipes for critical batches, or provide real troubleshooting if shade variation crops up.

    We also invest in direct training for end-users and support staff—factory visits, seminars, and collaboration with local technical institutes. Problems like clogged filters, shade unevenness, or excessive dust have practical roots, and we work through them together. In every case, our goal is to help customers achieve smoother production, cut complaints, and add value downstream.

    Tackling Key Challenges in the Field

    Stability across varying water quality marks a clear pain point for many customers. Some regions struggle with high metal ion content or hardness that can trigger unwanted flocculation or floating particles in dye baths. Our technical team regularly adjusts dispersant and stabilizer blends within Disperse Orange 25 to match those local water conditions. Some customers request ultra-fine grades for sensitive fabric constructions. We work with specialized milling and classification to achieve those specifications, ensuring even the most delicate synthetics benefit from smooth, consistent dyeing.

    Shifts in textile substrate trends—such as rapid adoption of recycled polyester—present new challenges. We keep close contact with dye houses who trial Disperse Orange 25 on eco-friendly yarns and help refine settings for lighter, more variable substrate conditions. We log their observations, share real-world tips, and feed back key learnings into our production adjustments.

    Safe handling in the textile shop is another focus. We design our granules to minimize dusting, and provide handling guidelines so that operators stay safe, production lines remain clean, and shade reproducibility stays high wash after wash. Continuous review of personal protective protocols protects both our staff and customers from avoidable exposure.

    Looking Forward: Innovation Rooted in Daily Production Reality

    Disperse Orange 25 won’t succeed through marketing stories or glossy datasheets alone. Its real worth emerges from day-in, day-out delivery on production lines. Our commitment to quality, transparency, and support doesn’t end at the warehouse door. Every time a customer calls back with questions—how to tweak recipes for a stubborn shade, how to maximize batch-to-batch reproducibility—we’re ready to share experience and build better solutions.

    We track new developments in dye application: digital dyeing, sustainable finishing chemistries, and automation. As demands shift, we keep our process flexible and responsive, always recognizing that end-use value relies on every step from synthesis through delivery. We maintain strong, direct relationships with our raw material providers, monitor the market for contaminants or adulterants, and reinvest in analytical technology. That’s not marketing spin, but an operating principle developed by those who see dye from molecule to finished textile every day.

    What You Get From a Manufacturer’s Perspective

    Buyers working directly with us see more than a bag of orange dye. They access a responsive operation, ready to listen to individual plant needs, support unusual process conditions, or customize handling for bulk and specialty uses. We don’t treat Disperse Orange 25 as just another stock-keeping unit. Instead, we see it as the result of controlled chemistry, thorough quality control, and a desire to see textiles finished with brightness, precision, and reliability.

    From our manufacturing floor to your dyeing machines, the product reflects human effort—chemists, operators, packers, and technical managers working to make every shipment reliable, safe, and ready for the rigors of modern textile production. No shortcuts. No hidden process skips. The next shipment you order comes from a team that understands what these orange granules are truly for: trustworthy performance at scale.