Yudu County, Ganzhou, Jiangxi, China sales3@liwei-chem.com 748718781@qq.com
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Red Pigment

    • Product Name Red Pigment
    • Chemical Name (IUPAC) 1-(4-chloro-2-nitrophenylazo)-2-naphthol
    • CAS No. 2425-85-6
    • Chemical Formula C18H12N2O2
    • Form/Physical State Powder
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    739993

    Color Red
    Chemical Type Inorganic/Organic
    Appearance Fine powder
    Solubility Insoluble in water
    Particle Size 1-10 microns
    Lightfastness Excellent
    Melting Point Varies (typically >300°C)
    Density 3.5-5.0 g/cm³
    Oil Absorption 30-50 g oil/100g pigment
    Toxicity Non-toxic (varies by chemical composition)

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

    Packing & Storage
    Packing The Red Pigment is packaged in a 500g sealed, high-density plastic jar with a screw cap, featuring a prominent hazard label.
    Container Loading (20′ FCL) 20′ FCL (Full Container Load) for Red Pigment: Securely loaded, moisture-protected, 10 metric tons, packed in 25kg bags, palletized for transport.
    Shipping Red pigment is shipped in tightly sealed, clearly labeled containers to prevent leaks and contamination. Packaging complies with safety and regulatory standards for handling chemicals. Containers are protected from moisture and direct sunlight, and shipments include documentation for safe transport and handling. Specialized carriers ensure prompt and secure delivery.
    Storage Red Pigment should be stored in a tightly sealed container, away from direct sunlight and sources of heat or ignition. Keep in a cool, dry, and well-ventilated area to prevent moisture absorption and contamination. Ensure that the storage location is clearly labeled, inaccessible to unauthorized personnel, and complies with local chemical storage regulations and safety guidelines.
    Shelf Life Red Pigment typically has a shelf life of 2-5 years when stored in a cool, dry, and tightly sealed container.
    Free Quote

    Competitive Red Pigment prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Introducing Our Red Pigment: A Manufacturer’s Perspective

    Our Approach to Quality Pigmentation

    Red pigment production isn’t just about color. It’s a story of chemistry, application know-how, and decades of refinement. In our daily work, a lot rides on the details—particle size, dispersibility, tint strength, and overall consistency. Fine-tuning these properties determines how a pigment behaves in a paint shop, a plastic extrusion line, or an ink formulation tank. Our red pigment—closely identified in the market by the familiar code PR-254—comes out of years of work with clients and end-users who rely on dependable results batch after batch. We tackle this from the ground up, always focusing on both the chemical backbone and the practical workflow on the customer’s side.

    Red Pigment PR-254: Setting the Standard

    Among all red pigments, PR-254 stands out for a reason. Its molecular structure delivers a robust, clean shade that rarely shifts under heat or sunlight. You start to notice the difference during production runs. The pigment’s particle surface, shaped for maximum wetting, supports smooth dispersion, sidestepping most of the dust and clogging headaches others run into when working with reds. Running the mill, our teams keep particle size distribution tight—which pays off for users looking to avoid speckling or shade drift across batches.

    Commonly known as a diketopyrrolopyrrole (DPP) red, PR-254 delivers a bold, saturated scarlet, lending character to high-end coatings that demand both beauty and toughness. Unlike older red pigments based on lead or cadmium, DPP reds keep their chroma high and don’t fade with outdoor use. Sunlight and weathering punishment push many reds to dullness, but PR-254 resists thanks to its stable carbon-nitrogen lattice. Paint formulators and plastics engineers appreciate this because it means fewer complaints and less costly recalls due to color shift.

    Practical Experience: Mixing, Milling, and Processing

    People often ask why one red pigment outperforms another during a real-world job. In our experience, it comes down to a few basics: wetting, grind time, and tendency to settle. We’ve run tests with PR-254 in waterborne, solventborne, and even powder systems for customers working in decorative paints, automotive finishes, and packaging inks. This pigment goes through the dispersion stage quickly. Operators notice less foaming, fewer filter clogs, and a smoother final product. Anyone running a roll mill or high-speed disperser knows every pigment has a personality, and PR-254 stays manageable, causing fewer blocks on the line or surprises when scaling up recipes.

    Our lab techs track performance not only in a controlled environment but alongside customers in their factories. If a customer wants to boost gloss or punch up opacity, we can recommend grind settings and let them see how red pigment strength scales with adjusted mill passes. Our team works alongside line operators, offering adjustments in surface treatment and particle size to meet unique application needs. Batch consistency, especially for manufacturers supplying major brands, means fewer headaches and less downtime.

    Red Pigment PR-254: Applications That Demand the Best

    This red pigment finds a welcome place in automotive OEM coatings, luxury consumer packaging, high-durability plastic housings, and art supply markets. Each sector has its headaches. Car manufacturers favor PR-254 for its lightfastness and chemical resistance—no one wants to see showroom reds fade or chalk within a season. In plastics, molders face harsh process conditions and PR-254 stands up to elevated temperatures without vaporizing off vital volatiles. Artists love the clarity and richness, especially in acrylic and oil paints, where it saves time mixing and correcting tones.

    The story grows clearer in the ink sector, where print clarity and overlay transparency make or break a product. Here, PR-254 generates opaque yet vibrant reds on film and paper, keeping lines crisp. Whether the setting involves high-speed flexographic presses or small-run screen printing, the pigment responds with stable viscosity and sharp, clean output. Printers avoid the muddyness and bleeding seen with less stable reds.

    Why PR-254 Outpaces Conventional Red Pigments

    Users familiar with older red pigments, especially those based on lead chromates or cadmium compounds, have seen enhancement and regulatory shifts. We have phased out heavy metals, but that didn’t mean giving up on richness or durability. DPP chemistry—a foundation for PR-254—addresses longstanding issues like poor UV stability and health concerns. This means a safer environment for both users and the communities where our products are used. Regulations have gotten tighter about pigment migration and heavy metal content, especially in markets serving food packaging and toys, and PR-254 sails past these concerns while holding quality constant.

    Comparing PR-254 to families like PR-3 or PR-48:2 (monoazo reds), the superiority shows up in real-world panels. Lightfastness remains strong even in direct exposure tests spanning weeks or months, while many monoazo reds fade, yellow, or chalk. For coatings on metal or plastic, our red pigment surpasses traditional reds in resistance to acids, alkalis, and cleaning solvents. Formulators comment that they can clean spray guns and convert batches without sticky residue.

    Supporting Factories and Brands: Our Manufacturing Perspective

    Getting a pigment right starts at synthesis. We monitor all reaction steps and keep feedstock traceability high, documenting each lot so users down the line know what goes into their product. This discipline lets us reproduce performance from first drum to final kilo in the warehouse. Careful filtration and surface activation enhance dispersibility, easing integration into customer base systems. We favor high-purity feedstocks, which pays off by cutting down on impurities that trigger reprocessing or complaints.

    We regularly invest in analytics: X-ray diffraction for crystal detailing, advanced particle size analyzers, and accelerated weathering testers. Frequent controls let us tweak production early, before a pigment batch drifts off-target. We avoid one-size-fits-all approaches. Customers voice specific needs—whether a finer grind for smooth-film coatings or slightly coarser material for plastics blending—and we respond batch by batch.

    Tackling Real-World Challenges in Red Pigment Formulation

    Manufacturing settings rarely stick to textbook specs. Customers adjusting a formula frequently battle issues with pigment settling, oil absorption, or unexpected flocculation. We visit production floors and run hands-on scale-ups, checking how our pigment performs against competitors and historic standards. When a customer faces viscosity spikes or color drift in a new resin system, we troubleshoot at their location, identify root causes, and propose adjustments in grind time, dispersant combination, or anti-settling aids. Solutions often rest in minor tweaks—a fractionally different surface treatment or tighter lot screening—rather than overhauls.

    Our research and technical teams keep up with emerging binder technologies, new printing methods, and greener chemistry standards. Each advance creates both opportunities and turbulence for pigment performance. We work directly with resin suppliers and application labs, testing compatibility and guiding users toward recipes that unlock the pigment’s full potential. This hands-on, data-driven approach has cut downtime and improved first-pass batch success for many partners.

    Connecting with Our Customers: Built on Experience

    Regular factory feedback influences production more than central office policies. When a customer comments on gloss drop or poor flow in a specific paint job, we conduct side-by-side trials, log the differences, and trace causes right through the pigment batch history. We see improved results not from glossy sales materials, but through ongoing relationships and years of field trials. This close loop with coating engineers, print shop foremen, and plastics extruder operators means we catch shifting market demands fast. If a new finish type or regulatory barrier appears, we mobilize fast, re-tune the pigment or process, and keep supply lines stable.

    One area where open dialogue helps: cross-industry trends. Brand managers in consumer goods increasingly request red pigment grades with reduced environmental impact—lower energy use, safer waste profiles, and streamlined logistics. We have moved toward cleaner downstream processing and optimized cycle times, reducing water and energy loads throughout production. Waste heat from synthesis now preheats incoming raw material, tightening our environmental footprint and shrinking production costs for everyone down the line.

    The Importance of Consistency and Transparency

    Red pigment buyers rely on full traceability, secure logistics, and stable pricing. Failures at this level interrupt schedules and erode trust. We built a system that traces each batch back through every process step, matched with certificates of analysis and performance. Any deviation or concern triggers a targeted correction—often before a customer even notices. We avoid sudden formula changes or hidden substitutions, so customers maintain process control and keep documentation simple for audits or regulatory checks.

    Questions about product availability, regional shipment constraints, or compliance always reach a real person from our technical or logistics staff. We value keeping these lines open so issues don’t snowball into project crashes or lost business. By being honest about what we can and cannot offer, and keeping the focus on problem-solving rather than spin, long-term partnerships grow strong.

    Red Pigment PR-254 Across Markets and Borders

    Products that cross borders face new sets of demands. Exporting to automotive, printing, and consumer goods companies worldwide, PR-254 matches local and international regulations. Our pigment stands up to scrutiny at every checkpoint: incoming inspections for particle size, weathering panels for UV stability, and RoHS or EN71 reviews for material safety. Labeling accuracy, batch history, and availability remain critical in global supply chains, and we back every shipment with detailed documentation.

    As pigment buyers pivot to digital color management and stricter traceability, we adapt to data-driven requests. Secure, verifiable batch data prevents disputes and simplifies international audits. Our customers range from small specialty printers to global paint manufacturers; each benefits from getting the same trusted pigment regardless of geography or order size.

    Environmental Footprint: Meeting Today’s Standards

    Sustainability pressures run high for manufacturers. Raw material choices, energy efficiency, and clean handling shape our process decisions. Sourcing renewable or improved raw inputs, monitoring water and effluent, and cutting waste wherever possible are part of the modern pigment operation. We have reduced effluents and invested in sealed handling to minimize dust and exposure to plant workers. These investments mean less environmental burden throughout a pigment’s life—from synthesis to end-use disposal.

    Product design has shifted over the years too. We developed lower-dust, easier-to-handle grades for factories using bulk transfers or pneumatic transport. This means safer operation, less clean-up, and less accidental pigment release to the workplace or environment. As end-users shift toward eco labels and safer ingredient lists, our pigment process backs up their claims—no hidden heavy metals, no banned substances, and a smaller lifecycle footprint from factory to shelf.

    Looking Ahead: Red Pigment Development

    We keep our eyes forward, tracking new advances in pigment technology. High-performance reds continue to evolve, but PR-254 remains a reference point against which others are measured. Our research teams work both on incremental improvements—boosting weather resistance, simplifying dispersion, lowering energy needs—and on big leaps such as bio-based reagents or new synthesis methods. Input from our customer base feeds directly into this process, guiding priorities and shaping future directions.

    Industry shifts—such as the move to water-based systems or UV-cured inks—create ongoing demand for more adaptable, safer, and more stable red pigments. We’ve already tailored PR-254 to handle low-VOC paints and high-clarity plastics, and continue evaluating new binders and application processes. If a new market or technical challenge emerges, our labs and pilot lines step up to build a solution, not just a new product catalog entry.

    Commitment Beyond the Drum: Real Value for Users

    We recognize buying pigment means more than ticking a box for color. Paint chemists, plastic processors, and printers value partners who deliver batches that behave predictably and solve headaches before they cost serious money. Our reputation stands on how well our pigment performs on a customer’s production line, not in sales brochures or trade show displays. A pigment that saves setup time, avoids downtimes, and meets color targets every time creates tangible business results. This is the standard we strive to meet—with every drum shipped and every customer relationship maintained.

    Working directly with users—on the phone, in the lab, during site visits—has taught us more than years reviewing technical literature. Every process tweak, every new resin, every seasonal shift in demand keeps us on our toes. We do not rest on yesterday’s wins. Our guarantee stands on continuous improvement, ongoing contact with our customers, and clear proof of value, batch after batch.

    Red pigment has come far from its origins. Today, we see color not just as a visual effect, but as a set of technical requirements, safety needs, and marketplace promises. Through this constant push toward higher standards and closer partnership, our pigment sets a benchmark, grounding value not just in raw color but in lasting, measurable results for users everywhere.