Products

Reactive Orange 20

    • Product Name: Reactive Orange 20
    • Alias: C.I. 17757
    • Einecs: 233-539-7
    • 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

    774864

    Chemical Name Reactive Orange 20
    Cas Number 12225-84-2
    Molecular Formula C20H17ClN8Na2O11S3
    Molecular Weight 701.02 g/mol
    Appearance Orange powder
    Dye Class Reactive dye
    Solubility Soluble in water
    Maximum Absorption Wavelength 495 nm
    Application Textile dyeing (cellulose fibers)
    Ec Number 235-436-9
    Light Fastness Moderate to good
    Storage Conditions Keep container tightly closed, store in a cool, dry place
    Stability Stable under recommended storage conditions

    As an accredited Reactive Orange 20 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Reactive Orange 20 is packaged in a 25 kg sturdy fiber drum with an inner polyethylene liner, labeled with hazard and safety information.
    Shipping Reactive Orange 20 should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Label the packaging according to local and international regulations for chemical transport. Store and transport separately from incompatible substances, such as strong oxidizers. Handle with care to prevent spills and exposure during shipping and handling.
    Storage **Reactive Orange 20** should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. Keep the storage area free from moisture to prevent clumping or degradation. Proper labeling and spill containment measures are essential to ensure safety and maintain the stability of the dye.
    Application of Reactive Orange 20

    Purity 98%: Reactive Orange 20 with purity 98% is used in cotton fabric dyeing, where it ensures high color yield and shade consistency.

    Molecular Weight 617.54 g/mol: Reactive Orange 20 with molecular weight 617.54 g/mol is used in textile printing, where it provides reproducible and deep coloration.

    Solubility in Water 50 g/L: Reactive Orange 20 with solubility in water 50 g/L is used in continuous dyeing operations, where it enables uniform and streak-free application.

    Stability Temperature 120°C: Reactive Orange 20 with a stability temperature of 120°C is used in high-temperature dyeing processes, where it maintains shade stability and prevents degradation.

    Particle Size 5-10 μm: Reactive Orange 20 with particle size 5-10 μm is used in dye bath formulations, where it promotes rapid and complete dissolution.

    pH Stability 4-10: Reactive Orange 20 with pH stability 4-10 is used in multifunctional dyeing systems, where it retains color fastness across a broad pH range.

    Light Fastness Grade 5: Reactive Orange 20 with light fastness grade 5 is used in apparel manufacturing, where it ensures long-lasting vibrancy under repeated exposure to sunlight.

    Tinctorial Strength 120%: Reactive Orange 20 with tinctorial strength 120% is used in shade-matching applications, where it delivers intense and precise color.

    Salt Tolerance 60 g/L NaCl: Reactive Orange 20 with salt tolerance of 60 g/L NaCl is used in reactive dyeing, where it prevents color loss during salt-intensive processes.

    Residual Moisture <0.5%: Reactive Orange 20 with residual moisture below 0.5% is used in powder dye formulations, where it enhances shelf life and prevents clumping.

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

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    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Reactive Orange 20: A Closer Look from the Factory Floor

    The Essence of Reactive Orange 20

    Everyday in our production halls, Reactive Orange 20 takes shape under the care of our team. Decades of experience have taught us what textile mills and dye houses face at the vat and on the jet machine. Reactive Orange 20 is known by its international color index as CI Reactive Orange 20, but here, it’s more than just a formula. It’s a dependable tool for textile processors who need color that endures over time and through repeated washing. In our labs, we produce a dye with vibrant hue, consistent batch-to-batch shades, and a purity that keeps operations running without unexpected downtime.

    We keep the process clean to maintain high reactivity—ensuring optimum fixation rates. This makes it easier for dyers to hit the right shade the first time. Each drum that leaves our warehouse comes from raw materials sourced with traceability and tested for compliance with modern textile standards. Our Orange 20 doesn’t come with shortcuts; we control the manufacturing at every stage, so customers don’t see those unpredictable results that frustrate large-lot retailers or high-performance workwear brands.

    From Lab Bench to Industrial Dyeing: Specifications That Matter

    Reactive Orange 20 is a vinyl sulfone-based reactive dye, formulated primarily for cellulosic fibers like cotton, viscose, and their blends. We manufacture it as a bright, powdery granule with a controlled moisture content between 2.0% to 5.0%, a factor that helps prevent caking and storage problems in humid climates. The shade sits comfortably in the vivid orange space, with a yellow 8G tinge, producing full-bodied oranges at medium depths and clean pastels at lower concentrations.

    Customers can depend on solubility above 45g/L at 60 degrees Celsius. High purity guarantees reliable metering in automated dosing systems; dust and insoluble residues stay minimal, with filterable matter below 0.2%. This attention to detail pays off in high exhaustion rates—which hover near the 75%-80% range under optimal pH and electrolyte conditions. We test each lot for tinctorial strength ranging from 100% to 105% of the standard, so process engineers aren’t thrown off by weak lots that force shade corrections mid-run.

    Fastness properties land where industrial launderers, fashion exporters, and home goods suppliers expect: washing fastness of 4-5, light fastness at 5, and rubbing fastness at 4. Even after repeated industrial laundering, colors keep their body thanks to robust covalent fixation. This matters when mass market retailers or technical textile buyers weigh whether your product belongs on the shelf or gets discounted as seconds.

    Why Our Reactive Orange 20 Stands Apart in Real-World Use

    Every production line faces constraints—cost, speed, water, effluent, and chemical dosing. In those conditions, Reactive Orange 20 distinguishes itself by actual performance, not just numbers on a spec sheet. While other dyes clog jets, leave stains on machinery, or show erratic up-take depending on batch, our Orange 20 has won customer loyalty because it runs clean. Once, a major garment exporter faced daily dye filter blockages using a competitor’s product. After shifting to our dye, they reported 90% less downtime on their jet-dyeing lines and a measurable reduction in cleaning chemical consumption.

    Production managers also appreciate the dye’s compatibility with modern low-salt and eco-friendly dyeing protocols. Conventional reactive dyes often require large salt loads—sometimes up to 80g/L—to achieve full shade, pushing up effluent load. We optimized Orange 20’s molecular structure to reduce salt need to 40-50g/L in most processes, saving direct costs and enabling easier wastewater treatment. Our ongoing technical support helps customers dial in process recipes that squeeze every advantage from the dye’s high fixation efficiency.

    Flexibility on substrate also helps. The dye’s spread-out absorption profile allows it to work across a variety of cotton grades and blends, from combed compact yarns for high-end shirting to coarser open-end yarns for toweling. We developed it to perform reliably both in continuous pad-batch dyeing—where color build-up control is critical—and in exhaust dyeing commonly used for fashion apparel. That means less inventory swapping, fewer production holdups, and more chances to fill urgent orders.

    The Knowledge Behind the Product: Factory Experience, Not Guesswork

    Years spent behind the scenes in manufacturing have taught us a few things that don’t always make it into marketing brochures. A common misconception is that all reactive oranges behave the same way, but slight impurities or particle size shifts can wreck an otherwise efficient dyeing process. One year, drought conditions affected a batch of raw intermediates, changing crystal shape and water retention. Our constant quality tracking picked the deviation up before it reached our customers, so no one had to face sticky feed hoses or slow dissolving tanks.

    We take feedback from dye house operators seriously—both pain points and successes. One customer’s shade matching team noticed a drift in tone after a mid-year supply switch. Rather than brush it off, we investigated the molecular root—finding a trace byproduct in a supplier’s input stream. Fixing an issue like this is only possible in house, and production teams down the chain benefit from that swift intervention.

    Environmentally, regulatory scrutiny is a reality. Under evolving requirements from OEKO-TEX, ZDHC, and major retailer certifications, even traces of aromatic amines are scrutinized. We’ve invested in both analytical equipment and raw material selection to make sure Orange 20 passes the strictest banned substances limits, both for global brands and domestic garment exporters. We routinely submit our dyes for third-party audits, labelling each drum with analysis certificates for full traceability.

    Combined with the batch-to-batch repeatability necessary for large-lot global supply chains, our manufacturing controls eliminate the guesswork and drama so end-users can focus on serving their customers—not troubleshooting chemistry.

    How Reactive Orange 20 Shapes Textile Operations

    Dyes occupy the background of textile production, but things quickly unravel when a batch doesn’t behave as expected. For all the focus on advanced machinery, the chemistry in the dye-bath determines whether a buyer keeps faith with a supplier. We regularly hear from customers who have moved to Orange 20 after losing patience with off-shade lots from less reliable sources. Once, a technical fabric weaver running production for a children’s wear brand reported rejecting less than half the fabric after making the switch—a sharp drop from their usual rates caused by bleeding or poor light fastness from other dyes.

    The improvement in process repeatability enables faster order throughput. Where QC teams had struggled before, shade variation from roll to roll dropped by over 85% based on digital spectrophotometric tracking. Some operators, especially those running 24/7 shifts, appreciate how our dye keeps workflow steady even with process variables like sudden shifts in machine loading, minor water quality changes, or inconsistent operator practices. Robust dyes make fewer demands on those running the plant.

    Reactive Orange 20 supports eco-certification. Brands across North America and Europe require reassurance that no restricted substances show up at trace levels in the end garment. We maintain full declarations for our dye—covering REACH compliance, GOTS (Global Organic Textile Standard) compatibility, and local environmental laws. Major apparel exporters audit our plant for chemical management and social responsibility measures as a condition for repeat orders. Working closely with their auditors, we routinely update documentation to maintain their trust and help our customers unlock new markets.

    Common Issues in the Industry—and Our Approach

    Anyone who has worked dye lines knows the frustration of inconsistent absorption or dye backstaining on white portions in multi-color jobs. The soaping-off step is critical, and inferior dyes often fail to fully rinse out the unfixed color, risking off-register results or pollution surcharges at the effluent plant. We calibrate penetrants and dispersing agents in our Orange 20 to release unfixed color readily during post-dye washing, reducing the risk to neighboring pale or white portions.

    In regions with hard water and variable process conditions, solubility and pH drift become significant problems. Some operators discovered that formulations from other manufacturers yield a sticky residue or require re-dissolving in fresh water, leading to batching delays and waste. Our quality checks simulate worst-case conditions to ensure the dye stays soluble, even under high calcium and magnesium loads. As a result, our Orange 20 absorbs evenly across the fabric and leaves tanks clean for the next batch.

    Color build-up matters for productivity and cost control, especially in continuous dyeing. Reactive Orange 20 delivers uniform shade across the web, minimizing streaks, mottling, or patchiness on wide-width fabric. That steadiness allows plant managers to increase line speeds or ramp up batch sizes without fear of uneven results. Some customers feeding high-speed rotary screens on print lines cite sharper, more reliable motif edges and lower wash-off cycles per meter.

    Meeting Market Demands with Production Expertise

    The fastest-growing segments in textiles—like athleisure, technical textiles, and sustainable home goods—demand performance and transparency. Reactive Orange 20, developed in-house with input from mill partners, helps buyers meet both. During a surge in demand, we scaled output without sacrificing quality by upgrading our drying systems and adding real-time in-line colorimetry checks. Any lot showing deviation gets separated for retesting, so shipments going to export dye houses remain within tight tolerance bands.

    Shortening development and approval cycles matters now more than ever. Buyers sometimes request sample lots in weeks rather than months. Our integrated production schedule and automated small-lot blending let us ship test samples with guaranteed traceability in as little as a week, allowing fabric designers to finalize collections faster and get ahead of the season. These capabilities grew from running our own plants, not from trading stock produced elsewhere.

    Some buyers place value on lower environmental impact throughout the life cycle. Drawing from energy audits and process engineering, we built heat recovery and closed-loop water recycling into our Orange 20 production stream. This saves energy, reduces emissions, and supports corporate sustainability reporting without burdening end-users with extra compliance steps.

    Industry Trends: Why Product Design Still Matters

    Reactive dyes as a class continue to dominate cotton coloration worldwide, but not all perform equally in the ever-changing market for speed, traceability, and brand safety. Textile mills are judged increasingly on resource efficiency, working conditions, and the chemical profiles of their effluent as well as the quality of their dyed goods. Our Orange 20 reflects those realities, evolving as regulations and customer requirements get tougher.

    Natural fibers gain market share year by year, placing more pressure on reliable, bright, and durable coloration. Ready availability is crucial; no dyer likes to be caught short on basic shades mid-season. We keep buffer stocks in climate-controlled sites and respond to supply chain disruptions with direct communication—never leaving partners in the dark on delivery times.

    The shift toward digital textile printing has increased demand for dyes with predictable behavior on inkjet-printed fabric. Our R&D feedback loop incorporates field data from printers using Orange 20 in their own aqueous pigment systems. They benefit from a narrow particle size range, which cuts down on printhead clogging and supports sustained runs. Continuous adjustment to new market standards only comes with direct experience managing the product from start to shipping dock.

    Looking Toward the Future: Challenges and Opportunities

    As automation and sustainability grow in importance, the role of reliable, high-performance dyes expands. Some challenges remain: global water scarcity, stricter wastewater limits, and volatile raw material markets mean that dye production never stands still. We invest heavily in new synthesis pathways—minimizing byproducts and reclaiming solvents—to insulate both ourselves and our customers from future regulatory shock.

    Customers participating in transparent supply chain initiatives increasingly ask for full life-cycle assessments and third-party audits. We respond not with vague promises but with traceable, factory-verified data and open plant tours for major clients. That visibility—rare among chemical manufacturers—helps retailers and brands meet their own due diligence targets and avoid surprises in their supply chains.

    Even as alternatives like pigment printing and digital dyes grow, demand for classic, high-purity reactive shades such as Orange 20 will remain. Ruggedness, process efficiency, and familiarity have value, especially where every meter of fabric has to meet demanding specifications before shipment.

    Why We Care About Getting It Right

    In the chemical business, every misstep has a cost—not just in dollars, but in trust, wasted time, and risk to jobs along the supply chain. Running our own manufacturing lines, we see issues before they turn into expensive claims. Operators, R&D chemists, delivery schedulers, and environmental engineers all get a say in how we design, make, test, and ship. That synergy filters down into the drum of Reactive Orange 20 as it lands on a dyer’s dock.

    We know from years of troubleshooting with customers that it is the unseen details—from consistent dye strength to robust environmental documentation—that separate a “just acceptable” dye from one that operators and managers trust, batch after batch, order after order. Continuous forward investment in product quality, transparency, and technical partnership defines our commitment more than any slogan. The proof of Reactive Orange 20’s value shows up on the factory floor, in retail stores, and in the growing demands of a global textile marketplace.

    In our experience, a well-designed dye simplifies complexity across the textile value chain—not because of marketing claims, but because of hands-on work at every stage: raw materials, synthesis, purification, testing, and delivery. That’s where our reputation is built, and where Reactive Orange 20 earns its place in modern textile operations.

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