Products

Permanent Yellow RN

    • Product Name: Permanent Yellow RN
    • Alias: Naphthol Yellow S
    • Einecs: 221-070-4
    • 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

    758844

    Chemical Name Permanent Yellow RN
    Color Index Pigment PY 65
    Cas Number 6528-34-3
    Chemical Class Monoazo
    Appearance Yellow powder
    Molecular Formula C18H18N4O6
    Molecular Weight 386.36
    Lightfastness Very good
    Oil Absorption 37-41 g/100g
    Heat Stability Up to 180°C
    Ph Stability 3-9
    Solubility Insoluble in water
    Applications Paints, plastics, inks, coatings

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

    Packing & Storage
    Packing The packaging for Permanent Yellow RN features a 500g white plastic jar with a secure screw cap and detailed hazard labeling.
    Shipping Permanent Yellow RN is shipped as a solid pigment, typically packaged in tightly sealed, properly labeled containers or drums to prevent moisture exposure and contamination. It should be transported in accordance with local regulations, ensuring the material remains dry and protected from direct sunlight, incompatible substances, and physical damage during transit.
    Storage Permanent Yellow RN should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat, and moisture. Keep it separate from strong oxidizers, acids, and bases. Ensure proper labeling and avoid contact with food or beverages. Use secondary containment to prevent spills and employ appropriate protective equipment during handling.
    Application of Permanent Yellow RN

    Purity 98%: Permanent Yellow RN with 98% purity is used in automotive coatings, where it ensures bright color intensity and consistent appearance. Particle size 0.3 μm: Permanent Yellow RN with a particle size of 0.3 μm is used in high-resolution printing inks, where it offers smooth texture and precise color rendering. Lightfastness grade 7: Permanent Yellow RN with lightfastness grade 7 is used in outdoor signage paints, where it provides long-term color stability under UV exposure. Oil absorption 30 g/100g: Permanent Yellow RN with oil absorption of 30 g/100g is used in artist’s oil paints, where it enables optimal pigment dispersion and enhanced brushability. Heat stability 200°C: Permanent Yellow RN with heat stability up to 200°C is used in plastic coloration, where it maintains color integrity during high-temperature processing. Water solubility <0.05%: Permanent Yellow RN with water solubility less than 0.05% is used in waterborne coatings, where it minimizes pigment leaching and ensures durability. Molecular weight 537 g/mol: Permanent Yellow RN with a molecular weight of 537 g/mol is used in gravure printing, where it achieves uniform film coverage and color vibrancy. Tinting strength 120%: Permanent Yellow RN with 120% tinting strength is used in textile dyeing, where it delivers high color yield and cost efficiency. Residue on sieve <1%: Permanent Yellow RN with residue on sieve less than 1% is used in masterbatch production, where it promotes smooth extrusion and uniform color dispersion. pH stability range 4-8: Permanent Yellow RN with a pH stability range of 4-8 is used in emulsion paints, where it resists color change under varying alkaline or acidic conditions.

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    Competitive Permanent Yellow RN 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.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Pigment Yellow 65: A Closer Look from the Manufacturer’s Bench

    Understanding Permanent Yellow RN

    Permanent Yellow RN, known technically as Pigment Yellow 65, comes from our experience as direct producers at the chemical bench. As a monoazo pigment, this product carries a reputation for strong tinting, impressive outdoor durability, and trusted color consistency. Over the years, the team has developed Permanent Yellow RN to meet the needs of both classic and demanding applications across coatings, plastics, and inks industries. A lot of pigment houses rely on imported intermediates or blend batches for faster output, but we make ours from the ground up, starting with stringent raw material screening and tightly controlled process steps all the way to finishing and drying.

    We work with a variety of grades—each batch adjusted for light fastness, dispersibility, and hue chromaticity—because users in the field have different requirements for vibrancy and stability. Permanent Yellow RN sits in the color index as C.I. Pigment Yellow 65. Its shade pushes toward a yellow with a red undertone, sitting between lemon and mid-yellow when matched against standard references. The product itself stands out with its bright, clean output, showing no muddiness in most polymer matrices or inks that other cheaper yellows tend to leave. Any operator mixing up color batches can notice the difference instantly, especially in high-shear color dispersions, automotive base coats, and advanced printing applications. Once you lay down a swatch of our pigment, the clarity and saturation pop under daylight as well as artificial light—this is no accident but the result of years of hands-on process tuning and testing every hundred-kilo batch for shade and purity.

    Key Features Shaped by Real Production Experience

    We have seen customers become frustrated when the yellow pigments from resellers lead to fading in outdoor projects or bleed into solvents after only a few months. Permanent Yellow RN differs. Our facility's routine includes xenon arc weatherometer testing and repeated chemical resistance checks during each production run. Using pure, high-quality primary intermediates and strict particle size controls, we deliver a product that holds its color whether sealed inside a polyethylene blowing bottle or exposed on a construction façade's surface. Most common yellow pigments show weakness either under UV, alkali, or migration, leading to early failures. Permanent Yellow RN delivers a high resistance to those stress factors. This direct experience, built from several decades and feedback from real-world users, shapes the way we approach every manufacturing step.

    Young lab techs sometimes ask why we fuss about fineness of grind and surface treatment so much in our plant. The answer is that proper pigment preparation prevents filter clogging, lets color reach optimal saturation in a resin or ink binder, and avoids the haze or speckling seen in pigment blends containing carrier residues. Customers in the screen-printing or masterbatch business often request micronization or after-treatment for better wettability. We make those adjustments long before packaging, ensuring consistency that’s hard to match with off-the-shelf pigmented powders.

    Comparing Permanent Yellow RN with Other Yellows

    On the open market, many yellow pigments float beneath banners such as Pigment Yellow 12, 13, 14, or 74, especially in the diarylide and monoazo families. Pigment Yellow 12, for example, often costs less but breaks down under light or solvent exposure, with a tendency to lose vibrancy when exposed to plasticizers or heat. Those who have run accelerated aging tests or high-speed extrusion lines know well the limits of standard diarylide yellows.

    Permanent Yellow RN stands apart in its mid-shade positioning. This pigment strikes a practical harmony: not as cool as lemon or PY1, nor as deep as diarylide oranges, with a color strength and clarity close to the premium lines but still economical for bulk users. We recommend it for manufacturers targeting long-life polymer applications, architectural coatings, or printing where UV and migration resistance make or break the final product’s value to the end customer. It slots into color matches requiring C.I. Pigment Yellow 65 with a crisp, saturated tone that resists dulling over time.

    Over the years, we’ve tracked many thousands of field samples from various geographies. In climates with high sunlight and heat swings, the difference between RN and common organic yellows emerges sharply after a season: RN holds its hue, while conventional pigments fade or brown out. Customers supplying roofing membranes, synthetic leathers, or architectural panels see fewer warranty claims and longer refresh cycles using our Permanent Yellow RN. When used in high-performance inks, the benefit doubles—color lining remains intact after years of shelf life, and end-users notice. For anyone filling their production line with generic blends or resold powder, these strengths are not guaranteed. We urge clients to view shade panels and aging samples side by side; the differences stand out vividly.

    Application Knowledge: Customizing for Real-World Demands

    Every industry segment comes with its quirks and habits—screen printing shops, masterbatch producers, or coil coating lines each present different stresses for yellow pigments. We address this directly in our production cycles and technical support. For masterbatchers, Permanent Yellow RN gets dry-milled and surface-treated for fast dispersion in polyolefins, often bypassing the need for costly letdowns or dispersing additives. For paint or coatings houses, it’s ground to the right particle size to maximize hiding power, avoiding settling or flocculation in solvent- or water-borne systems.

    For printing inks, consistent hue means fewer production stops for recalibration. Our plant maintains hue and strength within tight tolerances, using continuous colorimetric monitoring and feedback from frequent batch checkouts. This discipline carries into our shipments. Every kilo we send has to pass lab reference checks for color stability, solvent resistance, and purity—nobody learns more from practical problems than those who fix a bad batch themselves. By offering Permanent Yellow RN directly from the production line, we ensure traceability and technical feedback that outpaces any disconnected distributor.

    Different applications in plastics, inks, and coatings prompt adjustments in formula and post-processing—factors that resellers skip over, often at the cost of performance downstream. For a recent customer running high-volume PP masterbatch for packaging, our custom-milled RN showed none of the speckling or lacing common with lower grade yellows. Screen printers using our product report sharp edge control and even coverage on diverse substrates, even at very high pigment loading.

    Batch Consistency: What Sets a True Manufacturer Apart

    One ongoing struggle in the pigment world involves inconsistent lot-to-lot performance and unreliable supply chains. With our in-house process, we hold every step close: raw material vetting, batch hydrolysis, coupling, filtration, grinding, and drying. A third-party trader can’t guarantee all inputs have passed the same checks, and blending operations often lack real-time spectrophoto-metric controls. We commit time and experienced staff to every critical step because any slip leads to rework, increased customer returns, or worse—final product failures at the client’s end.

    A familiar story from customers involves costly color switches mid-project due to pigment flaws. Permanent Yellow RN, made under our eyes, holds its hue, particle size, and stability batch after batch. Some buyers, especially from high-throughput packaging or extrusion lines, send in their own tech teams for qualification runs. We embrace this. Open lab doors, direct Q&A with our chemists, and hands-on demonstration offer transparency uncommon in the pigment trade. If a client requests specific after-treatment, we accommodate directly—with no third-party delays or misunderstandings. No one feels the pain of customer returns and damage claims like we do, and each batch we make reflects this level of care.

    Environmental and Regulatory Responsibility in Practice

    Environmental stewardship matters, not just for compliance but also to protect workers and community. As direct producers, we control the effluent and emissions points ourselves. Our plant uses closed-loop water systems and rigorous wastewater treatment before discharge. Air handling systems pull and scrub exhaust from every pigment coupling and finishing station. In decades past, some pigment houses let byproducts slip out in process water—times have changed and responsibility now stands front and center.

    We ensure Permanent Yellow RN meets current EU REACH and EN-71 safety standards as well as ongoing environmental regulations. Each lot includes full traceability for heavy metal content, residual aromatic amines, and other critical impurities. We routinely run in-house GC-MS, ICP-OES, and XRF checks—not just for paperwork, but because clients in the toy, food contact, or architectural markets demand it. Our production lines are designed to minimize waste and maximize product yield, not just for price but to shrink our ecological impact.

    Clients have raised questions about migration and safety, especially after tightening regulations in Europe and North America. We provide clear analytical reports and back our pigment safety with field data and independent lab corroboration. If specifications in a region shift, we tweak our own process formula within days. Anyone who has faced a product recall understands that documentation, reliability, and adaptability matter as much as any bottle of pigment.

    Direct Support: Manufacturer Insights for Application Success

    Making pigment and sending it out the door is only half the battle. Manufacturers like us rely on feedback loops with end-users to sharpen every aspect of the product. We routinely support trials at pilot scale and commercial runs, learning firsthand which dispersions work best in specific ink, plastic, or paint vehicles. Sometimes, a batch intended for offset inks performs well in gravure trials only after adjustments in wetting agent or milling fineness. It’s easy for third parties to promise “one-pigment-fits-all,” but true performance comes from tuning every step of the process and following up directly with producers who use the pigment daily.

    Out in the field, our technical team spends time on-site solving real-world challenges. Customers ask for help with rheology, end-use migration, hue matching, and compatibility. We meet these requests head-on, providing hands-on advice drawn from lab and production floor experience. We often stay in touch through the whole product cycle: formula development, first article submission, approvals, and production scale-up. Our chemists support clients by troubleshooting color drift, gelling, or process contamination on a personal basis. Nothing compares to the confidence customers gain when they see their challenge matched by a manufacturer’s practical solution, not just a lab report.

    Looking Ahead: Meeting New Market Demands

    As customer requirements change, so does our approach. The trend toward higher pigment loading, lower VOC formulations, and sustainable ingredients pushes new developments in pigment processing and treatment. We continue to invest in low-dust handling, enhanced filtration, and greener surface modifications for Permanent Yellow RN. Our R&D pipeline explores options for even higher light fastness, improved compatibility in challenging new resin chemistries, and cost-effective alternatives that do not sacrifice established performance markers.

    Our engagement with customers extends past simple supply. As more clients push for ever cleaner, brighter, and longer-lasting yellows within strict budget targets, our focus remains close to both the plant and the application lab. We have learned that continuous feedback, rigorous testing, and direct process control win the loyalty of users who depend on quality pigment for their own world-class products.

    Permanent Yellow RN draws on the experience of each hand and machine in our line, shaped by decades of pigment-making. Its value shows up in every project that depends on color stability, clean hue, and real-world reliability.

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