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HS Code |
521512 |
| Cas Number | 127685-43-4 |
| Ec Number | 403-720-7 |
| Molecular Formula | C24H20N6O3 |
| Molecular Weight | 440.46 g/mol |
| Appearance | Yellow powder |
| Solubility | Soluble in organic solvents |
| Melting Point | Approx. 185°C |
| Color Index | Solvent Yellow 185 |
| Application | Used as a dye for plastics and synthetic fibers |
| Density | 1.32 g/cm³ |
| Chemical Class | Azo dye |
| Synonyms | C.I. 187140 |
As an accredited Solvent Yellow 185 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Solvent Yellow 185 is typically supplied in 25 kg fiber drums lined with plastic, clearly labeled with product name and safety information. |
| Shipping | **Solvent Yellow 185** is shipped in tightly sealed containers, such as drums or fiberboard boxes, to prevent leakage or contamination. It must be stored and transported in a cool, dry place away from direct sunlight and incompatible materials. Shipping follows regulations for chemical dyes, including appropriate labeling and documentation. |
| Storage | Solvent Yellow 185 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Keep it away from incompatible substances such as strong oxidizers. Ensure proper labeling and avoid exposure to moisture. Follow all relevant chemical storage regulations and use secondary containment to prevent spills or leaks. |
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Purity 98%: Solvent Yellow 185 with 98% purity is used in plastics coloration, where it ensures vivid and uniform yellow shades. Particle size D90 < 5μm: Solvent Yellow 185 of particle size D90 < 5μm is used in masterbatch formulations, where it provides excellent dispersion and color consistency. Melting point 128°C: Solvent Yellow 185 with a melting point of 128°C is used in hot-melt ink systems, where it enhances thermal stability during processing. High solubility in organic solvents: Solvent Yellow 185 exhibiting high solubility in organic solvents is used in automotive coatings, where it offers superior color strength and clarity. Light fastness grade 6: Solvent Yellow 185 with a light fastness grade 6 is used in textile printing inks, where it delivers long-lasting color retention under UV exposure. Heat stability up to 220°C: Solvent Yellow 185 stable up to 220°C is used in polyolefin fiber dyeing, where it maintains chromatic integrity during extrusion. Moisture content < 0.2%: Solvent Yellow 185 with moisture content < 0.2% is used in PVC film coloration, where it prevents streaking and agglomeration. Molecular weight 416.55 g/mol: Solvent Yellow 185 of molecular weight 416.55 g/mol is used in solvent-based gravure inks, where it ensures compatibility and homogeneous mixing. Fine powder form: Solvent Yellow 185 in fine powder form is used in polyurethane foams, where it enables fast dissolution and uniform hue distribution. Low impurity level < 1%: Solvent Yellow 185 with low impurity level < 1% is used in cosmetic packaging plastics, where it achieves high purity color and regulatory compliance. |
Competitive Solvent Yellow 185 prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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Solvent Yellow 185 is more than just a line item on our inventory. It represents years of development from raw laboratory beginnings to a product that fills a real gap in industrial coloring. We’ve seen its vibrant, deep yellow shade serve not only as a reliable colorant for plastics, coatings, and inks, but also as a signal of trust between us and our partners in color formulation. Throughout our experience, we have found that the specific hue and clarity of Solvent Yellow 185 answer the growing need for consistency in high-performance applications where inferior dyes fall short. Our commitment to clarity and hue control means every batch supports brand color integrity.
Every lot of Solvent Yellow 185 rolling off our line runs through careful hands and calibrated equipment. We maintain purity and tint strength controls not just for the sake of compliance, but because we know what happens when these details slip. Our batches consistently deliver strong color without haziness or particulate contamination. The model we produce lends itself to melting, dispersing, and remaining stable across various polymers and resins—an achievement that comes from problem-solving alongside actual users in the field. The melting point, particle size, and washfastness stats are not just numbers listed on a technical sheet; we check them ourselves, knowing a drop in consistency spells problems downstream for our partners.
We keep analytical data, but we recognize that the end-user cares about what happens during processing: will the yellow stay sharp in polyolefins, does it bleed in solvents, will it fade under sunlight? These are the questions our chemists and line operators keep at the forefront during every production campaign. In this space, real experience is worth more than any marketing phrase. We see the effects of small mistakes on plant floors, and we never want to see a film extrusion line shut down because of color failures traced back to our drum.
The changes in downstream industries keep us on our toes. Polymeric colorants face demands for sharper, cleaner shades, lighter processing footprints, and compliance with evolving safety laws. Solvent Yellow 185 stands out in masterbatch and plastic coloring for polyethylene, polypropylene, polystyrene, and polyester. Over time, we’ve learned that this dye does not distort under high temperature or shear stress—an advantage for processors pushing throughput. Converter customers tell us that it shows strong solubility in organic solvents commonly used in their work, contributing to cleaner color-ups and shorter machine cleaning cycles.
Our own trials and customer feedback confirm that Solvent Yellow 185 holds color even as recycled plastics gain ground. Its resistance to migration and blooming helps maintain surface aesthetics, especially in films and fibers for flexible packaging. For ink producers, the challenge revolves around solubility and lightfastness. This colorant runs well in spirit-based and some hydrocarbon-based gravure and flexographic ink systems. The color stays bright after heat and UV exposure, which correlates with our accelerated weathering chambers and the results from customers in label and wrap markets.
Coatings manufacturers using Solvent Yellow 185 gain a deeper, more saturated color in wood stains and certain industrial enamel finishes. Our engineers know that compatibility across resins matters just as much as color depth. In our own plant, we maintain sample panels and legacy runs to track color drift and physical stability across years of formulation changes—if we ever see a lapse in coating appearance or durability, we adjust our own process controls. Every feedback loop means less rework and more reliability from batch to batch.
It’s tempting to think that all solvent dyes of this shade perform the same. Our lab experience says otherwise. We have compared Solvent Yellow 185 directly with alternatives, including Solvent Yellow 114, 93, and 56. For many processors, the difference between a satisfactory product and superior one lies in migration, thermal stability, and shade purity.
Some competing yellow dyes fade under processing heat or drift in hue under strong UV lamps. We select and synthesize raw materials under stringent controls so that the color we produce matches the sample, even years down the line. Years ago, a customer in polycarbonate extrusion alerted us to an issue with streaking—our technical service chemists ran parallel runs and identified subtle agglomeration in a competitor’s batch compared to our finished product, which ran clean in the same extrusion conditions. This real example reinforced our controls for grinding and blending during manufacture.
Solvent Yellow 185 shows lower tendency to plate out or aggregate compared to several legacy colorants, especially in polyolefin films and some automotive plastics where cleanliness is not just aesthetic, but tied to downstream performance. Users frequently report that the clarity and depth of yellow persists in both thin-wall moldings and thicker castings—evidence that our attention to color strength and purity has tangible effects from molding lines to retail shelves.
Years ago, safety and sustainability often took a back seat to color performance. Now, customers demand both. We must always maintain a balance: maximizing color properties while staying well within global chemical regulations. Our processes never stop at the product—it extends to how we handle waste, emissions, and even worker safety in dye production.
Solvent Yellow 185 meets standards for lead and heavy metal content—a necessity as more packaging goes into consumer hands. Our QC teams regularly screen not only for the obvious color parameters, but also for restricted impurities. Few customers see the multiple stages of trace metal and halogen analysis we run for every lot, but the results back up what we say in compliance letters. When new standards come down the pipeline, we respond quickly, often retooling synthesis and workup procedures rather than choosing lower-cost shortcuts. This type of work cuts into margins but keeps our product out of recall headlines.
We supply documentation for our customers to ease their product registration and downstream disclosure. In projects involving materials for toys or food packaging, we work directly with their compliance staff, sharing reports and, if needed, running additional safety panels. Once, a regulatory shift required us to phase out a solvent from one production area; our technical and engineering teams revised the process, burning through weeks of overtime to allow uninterrupted supply of the compliant dye. This hands-on approach builds lasting relationships that sustain both us and our partners.
People outside the factory may picture dye production as a mechanical, repeatable task. In our daily reality, fine-tuning the product means solving issues as they arise, from minor changes in solvent recovery to recalibrating reactors for scale-up. Mistakes can escalate rapidly, so our operators and QC analysts keep the information flow continuous. Customer questions—whether from a masterbatch maker, ink producer, or extrusion house—nearly always tie back to real-world performance, not just technical literature.
We field frequent troubleshooting calls: “Why is this yellow not dispersing right in ABS?” “Are there particulates in the batch?” “Can you assure us there’s no unwanted fluorescence?” Having a direct line with production and QC means we do not guess; we walk to the batch record, check actual samples, and review historical stability data. This approach shortens the feedback cycle and helps our customers keep their own lines running.
Our development staff keep close tabs on how our dye interacts with new plasticizers, resins, and additives. Sometimes a project comes in from an R&D partner requiring tighter particle size limits or lower impurity levels. Rather than suggest off-the-shelf solutions, we adapt our reaction parameters or work-up steps. In one case, a customer working to meet specific automotive color standards requested tighter chromaticity values. After multiple pilot runs—each requiring rework of our blending sequence—we reached the target, creating a new internal standard for all future batches. This type of partnership, built from manufacturing to line trials, underpins why our reputation holds up globally.
Colorant manufacture never stays static. New legal requirements, price pressure, and technical expectations upend even the most trusted dye businesses. Solvent Yellow 185 faces challenges as formulations move towards higher pantonality, lower migration thresholds, and compatibility with greener resins. Each year, suppliers face tighter purity requirements and more documentation. Even minor batch deviations can create major disruptions in sophisticated supply chains.
In response, we invest in better process automation and tighter online monitoring throughout our reactors and workup lines. Routine human checks complement our spectrophotometers and chromatography tools. Years ago, a manual transfer error set back an entire day's production; after root cause studies, we integrated new interlocks and retrained key staff. By sharing incident reports within the team, we’ve avoided repeat mistakes and built a culture of learning around every batch.
Raw material sourcing introduces another layer of unpredictability. Trade disruptions, logistics delays, or sudden impurity discoveries require agile responses. We maintain backup sources and test incoming raw materials to the same level of scrutiny as outgoing finished dye. Sometimes this vigilance reveals potential alternative routes that, through validation, become new mainstays in our process. Still, nothing replaces consistent relationships with reliable upstream producers. Over the years, we’ve maintained preferred supplier status with partners because we share transparent test results and do not hide shortfalls even under tight deadlines.
The static sales relationship—“manufacture, sell, ship, repeat”—never felt right to us. Most of what we’ve improved in Solvent Yellow 185 grew out of customer-initiated projects, troubleshooting requests, or unexpected feedback during plant site visits. A processor struggling with dye migration in multilayer films? We visit the site, run parallel trials, and work with their formulators until the issue resolves or a clear path takes shape. Insights gained on customer premises make their way back to our in-house teams, informing adjustments in synthesis, grinding, or packaging.
Our technical service staff do not operate from script. They sit through extrusion line shifts, join color matching sessions, and even review customer complaint logs to find hidden trends. On more than one occasion, direct collaboration peeled back an upstream processing variable—like resin polarity or unexpected stabilizer interactions—to reveal the true cause of a color shift. By treating customer support as an extension of our own manufacturing chain, we maintain trust that holds up through audits, trials, and, at times, issue escalations.
Improvements made at our end feed back into new cycles of approval, reformulation, and market introduction. Where performance gains show up—whether in reduced dusting, higher batch-to-batch repeatability, or new grade variants—we close the loop with clear, data-backed communication. Our blended role as technical resource, production lead, and field problem-solver keeps Solvent Yellow 185 in active development, never static in its offerings.
Few industries operate under a changeless set of rules. We anticipate more demand for dyes like Solvent Yellow 185 that meet not just performance but evolving health, safety, and disclosure requirements. The emerging push for full material transparency means even trace byproducts, origin details, and production energy footprint matter. As manufacturers, we respond by expanding in-house analytical tools, integrating sustainability tracking into production software, and documenting every change with an eye for full traceability.
Pressure to lower environmental impact shifts our focus toward energy optimization during dye synthesis and further reductions in process waste. We trial greener solvents, recover water where feasible, and minimize air emissions. New automation systems help us track every input—ensuring not just compliance, but a reduced footprint for every ton of dye leaving our site.
The rapid growth of specialty plastics and engineered appliances brings higher expectations for specialty dyes. Solvent Yellow 185 sits at the intersection of durability and processability, and as these demands rise, so must our manufacturing agility. Sometimes this means re-formulating or introducing new grade variants. To get there, we invest in ongoing training for both production and laboratory personnel. This investment pays off in smoother transitions, fewer line downtimes, and tighter specification compliance down our supply chain.
In every barrel of Solvent Yellow 185 we ship, there is more than dye—there’s the weight of years spent solving real problems in color science and manufacturing. From feedback on the extrusion floor to compliance requests from regulatory teams, every change reflects a loop of learning and improvement. As manufacturers, our story is built not on claims, but on measurable results: from batch-to-batch repeatability, to color consistency under pressure, to adaptation in the face of regulatory and market shifts.
Solvent Yellow 185 stands out thanks to the scrutiny we apply to every stage of development and the conversations we keep alive with our diverse customer base. Technical challenges, regulatory hurdles, or new product requirements do not sit as distant threats—they shape how we produce, evaluate, and continuously strengthen our dye. Everything we offer starts with what we see, fix, and improve on the manufacturing floor. This is the reality behind every shade, and it’s what sustains trust in Solvent Yellow 185 year after year.