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Solvent Yellow 93

    • Product Name Solvent Yellow 93
    • Alias C.I. 47000
    • Einecs 220-030-2
    • 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
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    Specifications

    HS Code

    634955

    Chemical Name Solvent Yellow 93
    Cas Number 4702-90-3
    Molecular Formula C18H17N3O3
    Molecular Weight 323.35 g/mol
    Appearance Yellow powder
    Color Index C.I. 48160
    Melting Point 125-130°C
    Solubility Soluble in organic solvents, insoluble in water
    Application Dye for plastics, resins, and varnishes
    Synonyms C.I. Solvent Yellow 93, Sudan Yellow 3G

    As an accredited Solvent Yellow 93 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Solvent Yellow 93 is packaged in a sealed 500-gram HDPE bottle with hazard labeling, batch number, and manufacturer’s details.
    Shipping Solvent Yellow 93 is typically shipped in tightly sealed containers, such as drums or fiber barrels, to prevent leakage and moisture ingress. It should be labeled according to regulations, stored away from heat and direct sunlight, and handled with appropriate safety measures, as it may be hazardous. Follow all transportation and safety guidelines.
    Storage Solvent Yellow 93 should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from heat, ignition sources, and incompatible materials such as strong oxidizers. Keep out of direct sunlight, and avoid contact with moisture. Ensure the storage area is clearly labeled, and access is restricted to authorized personnel. Use secondary containment to prevent spills or leaks.
    Application of Solvent Yellow 93

    Applications of Solvent Yellow 93 in Industrial Manufacturing

    As a direct manufacturer of Solvent Yellow 93, we supply this high-performance dye to a select group of downstream industries where its color strength, solubility in non-polar media, and tinting stability are essential for specialized industrial production. Below we detail distinct application scenarios where downstream OEMs integrate this colorant for large-scale manufacturing, with in-depth information on compliance protocols, dosage guidelines, real-world production steps, and typical finished goods.

    1. Plastics Coloring for Polystyrene and Engineering Polymers

    Polymer processing sectors utilize Solvent Yellow 93 as a colorant for coloring optically transparent polymers, notably polystyrene, ABS, SAN, and polycarbonate compounds. The dye’s heat stability and resistance to migration support downstream customers in achieving vivid yellow shades while maintaining material clarity and surface gloss. Attaining precise color targets without risking polymer degradation requires adherence to stringent industry color stability criteria and controlled dosage during compounding or molding.

    Industry compliance standards

    • EN 71-3 Safety of Toys (Migration of Certain Elements)
    • RoHS Directive (2011/65/EU) for electrical/electronic applications
    • REACH (EC No. 1907/2006) compliance for additive use
    • UL 94 flammability ratings, relevant for electrical housing

    Typical usage ratio

    • 0.01%–0.3% w/w of total resin mass, adjusted depending on polymer matrix, processing temperature, and color strength requirement; higher concentrations for deeper shades

    Downstream process integration

    • Polymer processors meter Solvent Yellow 93 into twin-screw extruders or injection molding hoppers as powder or dissolved in carrier resin during masterbatch preparation; precise dosing equipment ensures consistent color in compounded pellets

    Final product types

    • Transparent colored polystyrene sheets and films
    • Household appliance housings (ABS, SAN)
    • Consumer electronics casings (PC/ABS blends)
    • Stationery components and novelty goods

    2. Industrial Inkjet and Solvent-Based Printing Inks

    Commercial ink manufacturers incorporate Solvent Yellow 93 to formulate high-color density inks for continuous inkjet (CIJ), drop-on-demand (DOD) printing, and gravure/flexographic systems used on plastics, metals, and laminated packaging. The dye’s solubility in organic solvents and resistance to light-induced fading ensure long-lasting print performance required by brand owners and converters in print-critical environments.

    Industry compliance standards

    • GMP for Printing Inks (EuPIA guidelines)
    • ISO 2846-1:2017 (color and transparency testing for offset inks)
    • Regulation (EC) No. 1935/2004 for inks in food-contact packaging (restricted migration guidelines)

    Typical usage ratio

    • 0.2%–1.5% by weight of total wet ink formulation, adjusted for viscosity, resin compatibility, and substrate absorption; lower end for transparent shades, higher for opaque/deep tints

    Downstream process integration

    • Ink producers dissolve the dye directly into ketonic, ester, or hydrocarbon solvent bases during pigment dispersion stages, or as part of pre-blend color concentrates; filtration and milling ensure uniform particle size before final ink blending

    Final product types

    • CIJ and DOD inkjet inks for date coding
    • Solvent-based gravure and flexo inks for flexible packaging films
    • Marking inks for wire, cable, or component labeling
    • Industrial labels and stickers

    3. Synthetic Leather and Coated Textile Dyeing

    Producers of synthetic leather, polyurethane coatings, and coated textiles employ Solvent Yellow 93 as a highly compatible oil-soluble dye, offering even tinting of PU dispersions, PVC plastisols, and flexible polymer coatings. The dye’s fade resistance and compatibility with plasticizers meet interior automotive, furniture, and fashion accessory durability standards. Color formulators use careful blending for tonal control and colorfastness.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (textile safety and restricted substances)
    • ISO 105-B02 (textile lightfastness testing)
    • Automotive OEM specifications for interior materials (e.g., Ford WSS-M99P32-B1)

    Typical usage ratio

    • 0.03%–0.2% based on dry polymer weight; end use and required shade intensity affect ratio, with lighter coatings requiring lower levels for transparency

    Downstream process integration

    • Solvent Yellow 93 disperses into PU or PVC resin solutions prior to foaming, calendaring, or knife coating; can also be added during plastisol mixing or as a topcoat tint in multi-layered faux leather production

    Final product types

    • Automotive seat upholstery (PU/PVC synthetic leather)
    • Decorative vinyl wallcoverings
    • Fashion handbags, belts, and accessories
    • Furniture upholstery textiles

    4. Petroleum and Lubricant Dyeing

    Downstream lubricant blenders and fuel marketers utilize Solvent Yellow 93 to impart a distinct yellow hue to mineral oils, base fluids, transformer oils, and specialty petrolatum fractions. The dye’s non-polar solubility and thermal stability facilitate compliance with visual differentiation requirements for regulated oil grades and allow end-users to identify products by color during handling and use, particularly in the automotive and industrial sectors.

    Industry compliance standards

    • ASTM D1500 (Petroleum Products—Color ASTM Scale)
    • API and OEM oil color differentiation requirements
    • EU and local regulations on dye usage in fuels (e.g., Directive 95/60/EC)

    Typical usage ratio

    • 1–20 mg/kg (ppm) for lubricants, transformer oils, and base stocks; concentration depends on desired color depth and legal labeling mandates

    Downstream process integration

    • Dye dissolves directly into base oil stocks during final blending; continuous metering systems inject the colorant before packaging or bulk loading to ensure batch-to-batch coloration consistency

    Final product types

    • Automotive engine and hydraulic oils
    • Transformer and insulating oils
    • Bulk industrial lubricants and greases
    • Regulatory-marked fuel stocks (where permitted)

    5. Smoke Signal and Pyrotechnic Formulations

    Specialist manufacturers producing colored smoke devices for marine, military, or emergency signaling add Solvent Yellow 93 to the pyrotechnic mix to generate vibrant yellow smoke upon ignition. The dye’s high tinting strength and resistance to decomposition at moderate burn temperatures allow for effective pigment volatilization and reliable color output in field conditions.

    Industry compliance standards

    • UN Recommendations on the Transport of Dangerous Goods (classification and packaging)
    • EN 16263-3 (pyrotechnic articles: safety testing methods for smoke products)
    • IMO SOLAS requirements for marine distress signals

    Typical usage ratio

    • 2%–8% weight percent of total smoke composition, adjusted for color intensity and unit size; concentrations set based on smoke duration and output requirements

    Downstream process integration

    • Formulators blend dye with potassium chlorate, lactose, and other smoke-generating compounds using controlled mixing; dye homogeneity and particle size are checked to ensure consistent burn and color release

    Final product types

    • Marine signal smoke floats
    • Hand-held or aerial signal devices
    • Military training smoke grenades
    • Emergency and rescue marker buoys

    6. Industrial Coatings for Metal and Plastic Surfaces

    Industrial paint and coatings producers select Solvent Yellow 93 for tinting solvent-based coatings applied to metal panels, machinery casings, and specialty plastic substrates. The dye maintains shade stability during baking or air curing—a key requirement for automotive aftermarket, equipment refurbishment, and architectural finishing, where prolonged UV or chemical exposure is expected.

    Industry compliance standards

    • ISO 12944 (corrosion protection of steel structures by protective paint systems)
    • GHS hazard labeling (if applicable in final coating)
    • VOC content limits per EPA 40 CFR Part 59 and EU Paints Directive

    Typical usage ratio

    • 0.05%–0.5% of total coating solids; dosage tailored to resin type, film thickness, and opacity; lower amounts suffice for thin or transparent films

    Downstream process integration

    • Paint makers incorporate dye during the letdown stage following pigment and filler dispersion; homogeneous blending secures consistent color prior to canning or direct feed into automated spray lines

    Final product types

    • Protective and decorative metal finishes
    • Exterior-grade plastic coatings
    • Machinery enclosure paints
    • Industrial touch-up and marking paints
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    Certification & Compliance
    More Introduction

    Solvent Yellow 93: A Reliable Solution from the Manufacturing Floor

    Introducing Solvent Yellow 93

    As a company deeply involved in the day-to-day challenges of chemical production, we understand what it takes to make a dye that technicians can count on. Solvent Yellow 93—often identified by its vibrant, warm yellow tone—meets the needs of customers across plastics, inks, and coatings. Our production line doesn’t just stop at “purity on paper.” Each batch goes through a hands-on inspection. We blend traditional experience with process monitoring, so this product delivers the performance users expect without surprises. Solvent Yellow 93 exists because customers demand clarity and consistency each time they open a package, whether working with polystyrene or coloring industrial lubricants.

    How Solvent Yellow 93 Fits Real-World Jobs

    Jobs that need strong color, without raising headaches on the production line, are at the heart of Solvent Yellow 93’s story. Drop it into a raw polymer melt, and you’ll see a clear, saturated shade—fast and reliable. Plastic processors rely on its broad compatibility with polystyrene, PMMA, ABS, and SAN. Ink formulators use its solubility for retortable and flexographic inks, achieving the kind of saturation other dyes struggle to match. Coating makers come back for the compatibility with synthetic resins and the resilience in automotive and industrial paints. As producers, we’ve worked with every link in this chain—from pigment compounding to final extrusion—and we always keep feedback in mind so that the product lives up to the needs of people who rely on it, hour after hour.

    Model and Specifications: Getting Technical, But with Purpose

    From the manufacturing side, there’s more to Solvent Yellow 93 than color strength. The chemical name is 1,4-Bis(ethoxycarbonylamino)anthraquinone, with a molecular formula of C24H20N2O6. Average batch purity maintains a steady rate above 99%, filtered tightly for metallic residues, which makes it less likely to create speckling or surface bloom in end-products. Density, melting point, and heat stability matter especially when running high-temperature cycles, such as in engineering plastics. Our process validation involves stress testing at masterbatch lines so users don’t have to worry about color shade drifting or the dye breaking down under heat. Granular or powder form provides flexibility depending on the process—extrusion, injection molding, or solvent-borne systems—so customers get a practical solution, not a one-type-fits-all compromise.

    Why Solvent Yellow 93 Remains a Specialty Choice

    In real-world manufacturing setups, not all yellow dyes perform equally. Solvent Yellow 93 distinguishes itself in two main areas: shade stability and migration resistance. Many dyes start with strong color, but under constant processing—think of high-speed extruders, or inks exposed to aggressive solvents—some fade or shift. Our batches hold up because the production process centers around controlled crystal size and precise temperature control during synthesis. It’s these behind-the-scenes choices that customers notice when their end product still looks good after extended storage or field use.

    Comparisons to Other Solvent Yellows

    People often ask why not use other solvent yellows, such as Solvent Yellow 56 or 114. Each has advantages, but field knowledge makes a difference in application. Solvent Yellow 56 works well in some coatings but tends to fade under UV exposure or in unstable solvents. We’ve seen customers swap to Solvent Yellow 93 specifically because it keeps its brightness in challenging plastic matrices or when processed at high temperatures. Solvent Yellow 114 brings a slightly greener undertone and can struggle with precipitation in oily systems. Our own side-by-side evaluations reveal that Solvent Yellow 93 consistently shows fewer migration or “bleed” problems—an issue that’s costly to fix once a product ships to end-users. Over the years, customers in synthetic leather, wire & cable insulation, and specialty high-gloss films have shifted to this product to avoid color-related complaints.

    Supporting Safe and Responsible Use

    Chemical safety never takes a back seat. From raw material sourcing to final packing, we follow protocols that prioritize safety for workers and the environment. Dust management during powder filling, solvent hazard controls, and traceability of every drum or bag are standard at our plants. We track regulatory changes, from EU REACH to U.S. TSCA, so clients don’t have to untangle compliance issues themselves. Every batch of Solvent Yellow 93 passes impurity screening—no shortcuts—and we keep all certificates ready for customer review. For applications in toys or food-contact plastics, we help users check the relevant migration limits and update guidelines as soon as standards evolve. We listen when process engineers call about handling changes or downstream adjustments.

    Production Reliability: Meeting Unpredictable Demands

    Our facility runs year-round to ensure regular supplies, even when demand gets unpredictable. Since the global supply chain saw disruptions over the past few years, many brands suffered shortages and inconsistent quality. We believe in stocking core raw materials, controlling in-house processes, and responding directly to urgent customer needs. By keeping all reactions, purification, and packaging within our plant, we can address production issues in real time. This approach—born from years of working directly with manufacturing partners—keeps batch-to-batch differences minimal. It matters when a delayed or off-grade delivery means line stoppages, wasted time, and lost profit for our downstream customers.

    Listening to the End User: Real Feedback Shapes the Product

    What matters most isn’t an impressive certificate—it’s customer comments after months of real-world use. Labs and plant managers often share their own stories: how a blend proved stable under multi-pass processing, how shade held up after outdoor storage, or how the dye outperformed expectations in stressed equipment. We gather this feedback and fine-tune our upstream operations, from reactor control to drying steps. Internal test data gets compared with what’s happening at the customer’s plant. Small adjustments in particle size distribution, or a tweak to the drying cycle, can make the difference between a batch that works and a batch that doesn’t. That collaborative loop remains the backbone of our approach, and it’s why many customers send direct requests for custom color tuning or packaging formats.

    Troubleshooting Common Industry Challenges

    Manufacturers and processors share a universal set of headaches. Dustiness in powders, caking on extended storage, color drift from heat, poor dispersibility in new resin types—these stories reach our technical support team every week. Instead of handing out standard instructions, we test on actual lines whenever possible, checking compatibility with modern polymer grades and additives. By monitoring particle morphology during grinding and final handling, we limit dust and tackle clumping. Special packaging keeps moisture out even in humid climates. For challenging resins, we run in-house tests to check for aggregation or streaking and talk with customers until every practical solution gets explored. We see these efforts pay off in fewer complaints and stronger trust from long-term partners.

    Sustainability Through Responsible Production

    With both regulators and end-users pushing for greener practices, sustainability goes beyond just packaging and transportation. Solvent Yellow 93 starts with carefully selected raw materials—sourced from suppliers who can provide complete documentation—and processed to optimize yield and minimize waste streams. Wastewater management uses continuous analysis for possible anthraquinone residues, and we reclaim or treat solvents used in synthesis. Energy usage matters, too, so we invest in process upgrades that cut overall carbon intensity per batch. Any changes in waste handling, by-product recovery, or recycling make their way into regular facility reviews. Since customers increasingly ask for product carbon footprint data, we develop internal tracking and share improvement reports with key clients.

    Meeting Color Consistency Demands in Fast-Evolving Markets

    Whether the job involves injection-molded toys, consumer electronics, or high-precision automotive parts, manufacturers need the same shade every single order. Even a small deviation becomes glaringly clear in product displays or assembled goods. In our lab, we run repeat analyses on every batch—spectral data, heat stability, lightfastness—so every delivery hits the target shade. Q&A with production managers guides us to maintain consistent particle size and moisture level. Supplier traceability tracks every raw material input. We know from experience that even a minor adjustment in drying temperature—or a rush order that pushes higher throughput—can ripple through the entire color outcome. By keeping production tight, we help clients avoid costly recalls or rejections.

    Partnering for Tailored Solutions

    Some projects break the mold and require a custom approach. We work directly with customers who need unique shades for branding, special effect pigments, or compatibility with experimental polymers. Lab teams join up with customer R&D groups to blend new carriers, optimize dispersion, or add stabilizers to meet tough technical targets. Joint field trials catch surprises before commercial scale-up, and we tweak lots to align with demanding timelines. This level of partnership reflects a real shift away from transactional exchanges—it’s about solving application pain points, not just shipping a product.

    Transparency: Building Trust in Every Shipment

    From an operations perspective, reliability grows from honest relationships. If a batch falls short on a technical point, we tell customers upfront and offer immediate replacements. Our staff invites plant visits, shares production, and QA audit records, and listens closely during quality reviews. Documentation stays open and accessible, including full impurity profiles and analytical data for each lot. Success comes from trust, not press releases. Customers want to know exactly what they’re putting into their production lines. We see good communication and responsiveness as the foundation for years-long partnerships, not just short-term gains.

    How We See the Future: Investing in Process and People

    Markets don’t stand still. Regulatory pressures, new material trends, and global supply chain shifts all keep us on our toes. Focusing investment on process technology, staff training, and safety culture forms our answer. We refresh equipment, run process safety reviews, and get outside experts when necessary. Training moves beyond compliance—everyone from mixing to packing receives hands-on skills support. Digital tools now monitor key stages, ensuring fast response when trends shift or if a technical risk pops up. Long-term, these investments mean our clients inherit fewer headaches and can depend on reliable products.

    Industry Challenges Still on the Horizon

    The industry keeps changing. End users demand more transparency about ingredients, trace by-products, and the full life cycle of every material. Material scientists develop polymers with stricter requirements for colorants, especially as applications shift toward food packaging, electronics, or healthcare devices. From experience, any new requirement turns into direct impact on our plant—forcing upgrades, new quality checks, and closer alignment with both customers and regulators. We face the challenge head-on by dedicating real resources to regulatory compliance, new analytics, and ongoing dialogue with downstream users.

    Responsible Chemical Manufacturing in Action

    For many, chemicals are just numbers—batch lots, purity data, color indices. For us, it’s more than specs and certificates. Every sack of Solvent Yellow 93 reflects the work of our staff and the trust that our customers have placed in us. From the way we source raw materials to the way we listen to what end users say, the choices we make shape both the quality and reliability our clients get. We stay present on the shop floor, at the loading dock, and in the R&D bench, ready to face new challenges and seek practical solutions.

    Conclusion

    Solvent Yellow 93 highlights the value of deeply rooted manufacturing knowledge—linking tradition and new technology to deliver a product that goes beyond everyday expectations. Our facilities keep quality high, staff stay committed, and the customer relationships keep us honest. In a world that moves quickly, real partnerships, attention to detail, and focus on safe and responsible production set this dye apart. People in the field know us not just by product specs—but by how we respond, improve, and deliver over the long haul.