Products

Disperse Yellow 50

    • Product Name: Disperse Yellow 50
    • Alias: C.I. Disperse Yellow 50
    • Einecs: 252-228-0
    • 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

    198395

    Cas Number 54824-37-2
    Molecular Formula C18H17N3O3
    Molecular Weight 323.35 g/mol
    Appearance Yellow powder
    Color Index Disperse Yellow 50
    Solubility Insoluble in water
    Melting Point ≥170°C
    Application Dyeing polyester and synthetic fibers
    Light Fastness Good
    Synonyms 1,4-Diamino-2-methoxy-anthraquinone
    Chemical Class Anthraquinone dye
    Boiling Point Decomposes before boiling
    Ec Number 259-422-6
    Stability Stable under recommended storage conditions

    As an accredited Disperse Yellow 50 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Disperse Yellow 50 is packaged in a 25 kg blue fiber drum with a secure plastic liner, labeled for industrial use.
    Shipping Disperse Yellow 50 should be shipped in tightly sealed containers, protected from moisture and direct sunlight. It must comply with relevant regulatory and labeling requirements for dyes. Handle with care to avoid spills. Shipping documentation should include safety data sheets, and transport must adhere to local, national, and international chemical transport regulations.
    Storage Disperse Yellow 50 should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible materials such as strong oxidizing agents. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Use only containers made of materials compatible with the dye to avoid unwanted reactions. Store away from food and drink.
    Application of Disperse Yellow 50

    Purity 98%: Disperse Yellow 50 with 98% purity is used in polyester fiber dyeing, where it ensures uniform and vibrant color uptake.

    Melting Point 148°C: Disperse Yellow 50 with a melting point of 148°C is used in high-temperature dyeing processes, where it provides stability and reduces thermal decomposition.

    Particle Size 1-2 μm: Disperse Yellow 50 with a particle size of 1-2 μm is used in aqueous dispersions for textile printing, where it promotes smooth dispersion and even shade development.

    Stability Temperature 180°C: Disperse Yellow 50 with a stability temperature of 180°C is used in automotive textile coloration, where it resists color degradation during thermal finishing.

    Shade Strength 105%: Disperse Yellow 50 with a shade strength of 105% is used in microfiber dyeing, where it delivers intense color depth and enhanced fastness.

    pH Stability 4-7: Disperse Yellow 50 with pH stability of 4-7 is used in dye baths for blended fabrics, where it maintains consistent hue under variable acidic conditions.

    Water Insolubility: Disperse Yellow 50 with high water insolubility is used in high-speed jet dyeing machines, where it prevents unwanted solubilization and staining.

    Fastness to Light Grade 5: Disperse Yellow 50 with fastness to light grade 5 is used in sportswear manufacturing, where it ensures prolonged color retention under UV exposure.

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    Competitive Disperse Yellow 50 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.

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    Tel: +8615365186327

    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Introducing Disperse Yellow 50: Consistency in Textile Dyeing

    Our Experience with Disperse Yellow 50

    Every time we fire up the reactors to synthesize Disperse Yellow 50, long before any packaging, the humidity in the air and the precision of our temperature control make the difference. This colorant comes out of our plant exactly how dye houses want it: powdery, free-flowing, rich yellow, and ready to hit polyester fibers with lasting color. When I think about the years we have put into tuning production, it’s clear people new to dye formulation often miss the details. Making Disperse Yellow 50 isn’t just about hitting a color point. It’s about routine quality checks, standing by batches in the drying room, and listening to our customers in textile industries around the world. The work in the plant has shown us that matching shade charts is only the beginning.

    From each kiln load, our lab team pulls a sample and checks shade strength and dispersibility. Nothing gets our logo on it unless it passes. We track particle size because small variations show up as uneven coloring on final goods. By adjusting our milling runs for just the right cutoff, we avoid speckling, a complaint common with cheaper alternatives. We have learned to never rush the drying process; rushing leaves clumps, which turn a job into a headache later for the applicator.

    Specifications That Matter in Practice

    We produce Disperse Yellow 50 with tight controls on water content, residue, and pH. The melting range we maintain keeps it stable on the shelf and reliable during high-temperature dyeing on polyester and acetate. What numbers really mean for textile technicians: our powder doesn’t produce unwelcome surprises when dissolved in dispersant at 130°C in a pressure dyeing machine. Consistency batch after batch has brought back customers, especially those pushing quick changeovers and reuses of dye baths.

    Our powder’s purity spells out in minimal by-products and regulated auxiliary agents, avoiding staining roller beds with residues. We don’t hide behind listing chemical names or promising performance. Every drum that leaves our plant contains batches traced back to specific reactor records, and if a customer ever flags an issue — rare, but it happens — our team digs into that record with no excuses.

    Working with the Right Partners in the Supply Chain

    It’s rare in our field that someone questions why they should use Disperse Yellow 50 for polyester. But the explanation surfaces often, especially from new customers testing direct dyeing on mixed synthetic fibers. We’ve spent enough years drying and blending to understand that not all disperse dyes stand up to the same pressures and heat cycles. A dye can look perfect at 80°C and fall apart at 130°C, and there’s no substitute for firsthand plant data when explaining this. The reality is polyester plants want no surprises. Our direct engagement with finishing houses has proved that Disperse Yellow 50 brings strong performance every single time.

    One of our long-term partners, a large fabric mill in South Asia, faced patchiness using other suppliers’ yellow tones. They sent us their running process data, and our technical support pinpointed the cause — oversized dye particles settling out mid-cycle. By supplying our finely milled Disperse Yellow 50, their yields improved, and the complaints stopped. The right yellow can solve dozens of workflow headaches in polyester processing. We saw firsthand how much difference cleanly dispersing powder makes in their production schedule.

    How Disperse Yellow 50 Shows Its Value

    Polyester dyeing always pushes plant engineers to balance cost, appearance, and fastness. When a colorist in a fabric mill sets up for a deep green or orange shade, they rely on a yellow base to hold its strength through blending and repeated heating. Disperse Yellow 50 holds a central place in this work because of its clarity and strength. We do not cheapen the manufacturing process — the fixatives and dispersing agents we use cost more compared to other products, but pay off in wash and light fastness that shows after long-term testing.

    In one application, a Vietnamese apparel exporter asked for higher light fastness for swimwear fabrics, typically exposed to pool chemicals and sunlight. They sent competitor samples that bled color quickly on testing. After comparing, our quality-grade Disperse Yellow 50 stayed sharp and vivid. We traced the trouble in competitors’ goods to the use of cut-rate dispersants and a lack of tightness in drying times. It’s not enough to hit a shade card: it matters how the dye holds up in the wearer’s daily use.

    How This Dye Differs from Others

    Dye professionals have lots of yellows to choose from: Disperse Yellow 3, Disperse Yellow 23, Disperse Yellow 64, and a lineup of alternatives that all promise a bright shade. The differences sometimes seem subtle on paper, but the experience in our facility and at customer lines teaches us otherwise. Disperse Yellow 50 stands out most clearly in stability under alkaline conditions and resistance to migration. This has real impact for circular knit goods and microfiber applications, where “bleeding” dyes disrupt complex blends and garment consistency.

    Higher migration resistance means less staining of other color zones in multi-shade machines and speedier post-wash routines. Disperse Yellow 50’s particle design supports strong coverage even on tightly woven wicking polyesters — the fabrics used for high-performance sportswear. We have helped colleagues run head-to-head tests with Disperse Yellow 50 against “snap-in” colorants from competing manufacturers. Our product repeatedly delivered sharper hues without heavy dosing or need for extra dispersant. This gives our textile partners two wins: lower consumption and less time cleaning their dye baths.

    For mills working with recycled polyester, traditional disperse dyes sometimes struggle to anchor color in the presence of variable polymer qualities. We’ve invested in process modification for Disperse Yellow 50, tuning it to sit well even with inconsistent recycled fiber batches. The result brought us recognition as a preferred supplier to several yarn spinners eyeing sustainable lines. This direct contact with ground-level production, not just sales talk, sets our experience apart.

    Meeting Modern Color Demands

    Markets now demand shades that pop under both natural and artificial light, with minimal fading. The digital textile market has pressured dye producers to reexamine purity and granulation: any oversized particle or chemical residue causes clogged print heads or surface streaking. In response, we pushed our engineering further, regularly evaluating batch dispersion on an ultrasonic particle sizer. This attention to clean, pinpointed powder has given Disperse Yellow 50 a foothold in premium printing markets.

    We don’t rest on older experience alone. Technicians routinely test our lots against the accepted C.I. 10345 color index, maintaining close inspections for strength, tone, and fastness. Sometimes a competing yellow might promise a stronger initial tone, but our field reports often show rapid tone drop-off after a few months of exposure. We encourage mills thinking long-term — not just closing next week’s order — to weigh total fastness and batch consistency above single run cost savings.

    Real-World Usage and Results

    We supply Disperse Yellow 50 in 25kg drums, always sealed against moisture, and we label batches with trace records for full transparency. Dyehouse supervisors appreciate not chasing documentation when a production hiccup rises. Those running continuous dyeing equipment comment on the even pick-up and the solid batch-to-batch tone. High-speed exhaust dyeing or padding both show clean transfer and washing performance, especially on deep shade builds.

    We aren’t strangers to returns. Over the years, practical experience has taught that open feedback loops are crucial. Once, a tight-schedule customer flagged an off-shade batch that didn’t match their mass coloration. We immediately retrieved the retained sample and compared it under D65 and TL84 lighting, confirming the drift on a spectrophotometer. The root was traced to a mechanical valve hangup during the slurry charging step. By correcting the hardware and beefing up our line checks, we knocked out future recurrence. Customers count on manufacturers whose workflow adapts and improves.

    For brands pushing compliance in OEKO-TEX®, REACH, and ZDHC standards, our product documentation and internal purification process take on extra weight. From raw material vetting through finished goods inspection, each stage stays logged. Independent audits have reviewed our Disperse Yellow 50 production, and results confirmed our formula stays clear of regulated arylamines, heavy metals, and formaldehyde that risk failing audits. Global fast fashion and home textiles do not tolerate slip-ups, and neither do we.

    Facing Industry Shifts and Environmental Regulations

    Every new customer inquiry brings up worries about sustainability and compliance. The European market in particular probes for the smallest trace of problematic substances. Our family-owned operation has fielded these shifts for more than two decades, phasing out older precursors and investing in new scrubbing towers to reduce emissions. Implementing closed-loop water cooling and solvent recycling lines didn’t happen overnight, but these efforts now make our Disperse Yellow 50 not just stronger but also cleaner.

    Solving for environmental responsibility hasn’t come through shortcuts. We have replaced traditional solvents in dispersion blending and moved to energy-saving steam sources. What began as compliance turned into practical savings and safer shift work for our crew. We now invite customer sustainability officers for plant visits— transparency can’t be faked. The ongoing updates on relevant local and global banned substance lists push us to keep records tighter and documentation at hand for every drum that ships.

    Supporting Fabric Innovators and Colorists

    Working in close communication with technical managers, R&D specialists, and colorists gives our team steady feedback on how Disperse Yellow 50 actually performs outside our factory gates. We don’t leave it at lab test reports but watch for results during high-temperature polyester dyeing in batch and continuous systems, print trials, and finish line comparisons.

    Recently, a textile design group asked us to help achieve a specific yellow for an athleisure launch. Their past supplier couldn’t keep the shade locked across several lots, leading to mismatched patchwork cut pieces. Our technical support team visited their operation, reviewed their jet dyeing conditions, and adjusted dosing protocols. With low variability, the customer hit their fabric spec and delivered on time—not just once, but for the entire seasonal run. This outcome came from steady dialogue with production line staff, monitoring progress, and fine-tuning where necessary.

    Handling Technical Challenges

    The reality in our field is that no two dye runs are the same. Variations in polyester polymer structure, water softness, even subtle temperature shifts in the machine, influence dye uptake. Running Disperse Yellow 50 has taught us to document ideal run parameters for key customers. When troubleshooting, our advice digs down to the pump speed and level sensor settings if needed, because the troubleshooting mindset comes from years on the shop floor, not just from behind a desk. We mail out troubleshooting checklists based on personal on-the-plant experience, not generic documentation.

    Static buildup during powder charging or poor dispersion in hard water can trip up those not familiar with dye chemistry’s practical quirks. We developed an in-house anti-static treatment and phased in optimized dispersants that prevent “lumping” or floating on the dye bath. These workflow advances have saved days of downtime for customers moving over from older dye systems. Our ongoing plant investments reflect this: every time we spot a new issue, we study, adapt, and improve.

    Trust Grown From Manufacturing Experience

    Our team knows the difference between simply distributing a universally sourced dye and controlling the process from raw material purchase to the truck leaving the warehouse. Production of Disperse Yellow 50 has become a craft rooted in repetition, troubleshooting under pressure, and a sense of responsibility toward every meter of cloth it colors. Customers show us shade slabs and performance tests from all over the world; our feedback cycles close the gap between plant floor results and real-world textile trends.

    Success for us doesn’t mean just a full schedule at the reactors. It’s feedback from repeat customers who stopped hunting for new suppliers, because they found the right blend of color clarity, powder consistency, and honest technical backup. Our laboratory teams handle daily grind color matches, but they also answer calls from around the globe on bleed resistance, lightfastness issues, and new brand compliance needs. Honest dialogue, not scripted responses, carries our partnerships forward.

    The Everyday Value of Reliable Disperse Yellow 50

    We meet deadlines by planning inventory and sticking to tested plant routines. Every year brings changing baseline requirements—sweat-resistant shades for activewear, improved coverage for microfiber mops, bolder yellows for digital prints. By pivoting quickly and openly exchanging data with leading finishing houses, we keep Disperse Yellow 50 positioned to solve emerging challenges, not just repeat yesterday’s solutions.

    Our years of manufacturing Disperse Yellow 50 reinforce that strong color and process reliability make all the difference. Textile mills, printers, and converters want tools that don’t force them to gamble with quality, downtime, or compliance. Our answer has always been honest production, technical expertise, and a full view of customer priorities. Everything we know about Disperse Yellow 50 and the thousands of batches behind us drives us to keep improving, adapting, and listening.

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