Naphthol Red FBB-02

    • Product Name: Naphthol Red FBB-02
    • Chemical Name (IUPAC): 3-hydroxy-4-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenecarboxylic acid
    • CAS No.: 6417-83-0
    • Chemical Formula: C24H16Cl2N2O4
    • Form/Physical State: Powder
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    197987

    Product Name Naphthol Red FBB-02
    Chemical Class Azo pigment
    Color Index Pigment Red 146
    Cas Number 5280-68-2
    Molecular Formula C18H12ClN3O3
    Appearance Red powder
    Shade Bluish red
    Oil Absorption 40-50 g/100g pigment
    Lightfastness 6-7 (Blue Wool Scale)
    Heat Resistance 180°C
    Density 1.5-1.7 g/cm³
    Ph Value 6.0-7.5
    Solubility Insoluble in water
    Recommended Applications Plastics, coatings, inks, paints

    As an accredited Naphthol Red FBB-02 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Naphthol Red FBB-02 is packaged in a 25 kg net weight blue HDPE drum with secure lid and product labeling.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Naphthol Red FBB-02: 12 metric tons packed in 480 drums (25kg each) securely palletized.
    Shipping Naphthol Red FBB-02 is shipped in tightly sealed, chemically-resistant containers to prevent contamination and moisture exposure. Containers are labeled according to international transport regulations. Standard shipping includes protection from sunlight, heat, and incompatible substances, ensuring safe handling during transit. Appropriate documentation accompanies each shipment for regulatory compliance and traceability.
    Storage **Naphthol Red FBB-02** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, sources of ignition, and incompatible substances such as strong oxidizers. Store at room temperature. Ensure containers are clearly labeled to prevent mix-ups, and keep away from food, drink, and animal feed. Handle with appropriate personal protective equipment.
    Shelf Life **Naphthol Red FBB-02** has a shelf life of 2 years if stored in a cool, dry, and tightly sealed container.
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    Certification & Compliance
    More Introduction

    Naphthol Red FBB-02: Experience Behind Real Performance in Organic Pigments

    Introduction to Naphthol Red FBB-02

    The world of organic pigments keeps demanding innovation, reliability, and consistency. Over decades on the shop floor, in the lab, and through conversations with long-term partners, we've seen what works in real production lines. Naphthol Red FBB-02 represents an answer to challenges encountered in plastics, paints, printing inks, and coatings. It stands out with its clean bluish red shade and impressive color strength. Decades of feedback from processors and converters steer us in refining each batch so it meets the performance pressures seen in daily manufacturing.

    Crafting Color with Precision: Specifications Backed by Practice

    Our FBB-02 pigment carries the chemical structure of an azo compound, classified under C.I. Pigment Red 146. This choice comes from direct experiences with standard reds that fell short in either stability or batch-to-batch consistency. Our Naphthol Red’s average particle size and surface treatment history ensure that color development stays consistent, even through high-shear dispersion or extrusion. Over multiple production runs, factory engineers crucially noted its fine dispersibility, which enabled faster throughput and smoother finishes in comparison to other market variants.

    In plastics, it withstands extrusion conditions with brightness and stands firm against heat cycles common in thermoplastics processing. Paint makers point out its particular value in water-based and solvent-based emulsions. Once dispersed, its chroma maintains vibrancy across formula tweaks, helping development chemists adjust shades quickly without retrials. Printers see sharper separation and stronger toner hold when using the pigment in gravure and flexo systems. Each application surfaced specific problems –– migration, blooming, lightfastness –– which led our team to tune FBB-02 with enhanced surface modifications and tight batch controls.

    Hands-On Application Insights

    Operators in plastics appreciate that this pigment doesn’t “bleed” under typical recycling conditions, and layering with other additives seldom raises compatibility headaches. Polyolefin and PVC processors repeatedly commented on the way this grade avoids plate-out and gels, even at higher loading. In packaging and automotive moldings that face sun, oils, and temperature swings, color haze and fading interrupt product lifecycles. Additive tweaks and our double-filtration step reduced contaminants, which protects not just hue but equipment integrity as well.

    In waterborne emulsion paints, pigment flocculation limited coverage and shade accuracy for years. Our customers’ paint lines now run FBB-02 with lower viscosity rises at equal pigment loading. This direct experience has a simple benefit: Paints reach desired gloss and color depth without pushing resin content or surfactant costs. Decorative paints, both interior and exterior, keep their “new” look under both direct sunlight and periodic cleaning cycles. Through actual fields trials, we observed that touch-up jobs, required frequently with other red pigments, dropped to almost none over two-year outdoor tests.

    Printing plants dealing with speed, fine half-tone works, and frequent plate changeovers have scrutinized color rub resistance and the sharpness of printed reds. Pigment FBB-02 stays bright, even under fast-dry and UV-cured systems. Technicians in ink blending told us they could switch ink density on-the-fly without reopening the press. Smaller batch runs rely on predictable viscosity and quick wetting, and FBB-02’s surface treatment keeps these parameters steady, avoiding surprises that would result in press downtime and waste.

    Practical Differences That Matter

    Comparing Naphthol Red FBB-02 against other red pigments uncovers genuine differences in usage—not abstract “features” but changes that drive manufacturing results and material costs. Earlier reds, such as Lithol Rubine and beta-naphthol, struggled with weather resistance or compatibility in polyolefins, especially in direct contact with packaging fats and oils. FBB-02’s molecular backbone and finishing methods raise lightfastness by one to two grades, confirmed by actual panels on exposure racks in hot and humid climates over full seasonal cycles.

    While many reds promote easy blending, seasoned compounders quickly point out the risk of oversaturation (leading to “muddy” colors) and high metamerism in mixed shade formulas. Naphthol Red FBB-02 delivers a saturated bluish undertone, which covers both pure red needs and lets developers hit a decent range of maroon or violet without reverting to heavy pigment stacks. This sharply drops the need for additional violet or blue toners. In automotive primers and high-speed offset packaging, the clear shade stays prominent against both dark and light bases.

    The conversation around environmental, health, and regulatory profiles never stops. Red 146 avoids the high levels of heavy metals found in earlier classic reds such as molybdate orange or certain cadmium pigments, helping customers streamline waste and compliance management. Our plant runs a dedicated pigment milling and finishing line to prevent cross-contamination with other dyes or mineral pigments, and every shipment has traceable batch records connecting shipment, raw inputs, and processing logs. This detail, often overlooked in abstract product sheets, keeps recalls and reapproval cycles out of your plant.

    Durability and Stability: FBB-02 Under Real-World Demands

    In architectural paints, pigment cost must balance against coverage and fade resistance out on a building wall. Naphthol Red FBB-02 delivers opacity with a relatively low dosage, dropping the need to overload or back-fill with titanium dioxide or extender pigments. Over the years, field tests and customer site trials highlighted another strength: paints pigmented with FBB-02 remain vivid even under urban pollution, humidity, and yearly cleaning. Chips cut from exposed panels held their color in side-by-side accelerated aging, while those colored with lower-cost reds lost chroma nearly twice as fast.

    In molded plastic toys and high-volume infrastructure items, safety turns personal for OEMs and their buyers. With FBB-02, phthalates, primary aromatic amines, and other restricted components do not register over regulatory thresholds, making it possible to sell end articles across markets with stricter standards. Several of our packaging customers avoided costly migration testing retakes by switching to FBB-02, owing to its careful precursor selection and multi-step purification before grinding into its micro-fine form.

    Feedback From the Field: Processors and Technicians

    Feedback from injection molders guides refinements in pigment treatment. Multiple color masterbatch clients described steadier dosing and less downtime for screw or screen cleanout with FBB-02. Some ran comparative batches on a 60mm twin-screw extruder, clocking shorter blend times and steadier outputs with fewer surges in melt flow. Technicians like that the particle size stays within a tight range, which means consistent filtration performance and no surprise blocking during melt filtration.

    Printers who switch from older Rubine reds to FBB-02 keep reporting less color drift across long print jobs and improved transfer on non-absorbent stocks. Our pigment chemists work with plant operators, not just formulators, to spot signs of foam, plate toning, or roller contamination—core process factors often overlooked by pigment spec sheets. At high press speeds, FBB-02 keeps its hold on the substrate, which pops most strongly in side-by-side rub tests on coated board and synthetic films.

    Processing and Batch Consistency

    Strict process control on our production floor plays a huge role in how this pigment performs in daily use. Start with raw material QC and move through multiple grinding, surface treating, and filtration steps that aim for both purity and batch-to-batch repeatability. Technicians and maintenance staff spent years hunting residues from less efficient pigment mills, cleaning up excessive filter cake and trace residues that ruined mixer efficiencies. Our modernized lines reduce grinder plate wear and fine tailings, putting more pigment into product and less into costly cleanouts.

    Each batch ships with a certificate that reflects not just dry technical facts, but details on color development, mass tone, tint performance, and heat stability—all points flagged by our real customers, who often need to hit the same RAL or Pantone standard quarter after quarter. Our line operators invest extra time in double-filtration, and managers follow up on shade deviation controls rather than simply sending results to QA for signoff. That reflection in every drum or bag leads to faster start-up window on your lines, reduced scrap, and more predictable color costs all year.

    Future Proofing Color Demands

    Direct conversations with manufacturers, end users, and regulators help us keep Naphthol Red FBB-02 ready for new challenges. The trend for lower-VOC paints led to stripping out certain surfactants in common pigment systems; we adjusted processing to keep FBB-02 dispersible with tougher resins under high-speed mixing. Packaging clients emphasize low volatility and tight migration numbers, so we keep ultra-fine filtration parameters in place and run on-premise VOC screening with every scale-up in order size.

    Increasing interest in biopolymers, compostable plastics, and low-impact packaging meant we needed pigment grades that process under lower melting points and under more acidic or alkaline environments. Some of our technical partners run pilot extrusions and return both positive results and flags about compatibility or long-term color hold. Our FBB-02 adjustments answer this, keeping processes simple for users switching between traditional plastics and new green materials.

    Real Value and Service for Our Partners

    Color results come down to more than just technical specs. Long-term relationships with users in paints, plastics, and inks reveal the full story about durability, workflow, and lifetime value. For example, a shift from older beta-naphthol reds to FBB-02 in rural water pipe marking (which faces sunlight, ground contact, and temperature swings) let contractors avoid repaint cycles year-on-year. The story repeats itself in toy production, where bright reds switch from “acceptable” to “preferred” simply because complaints from parents and safety investigators vanished after the changeover.

    Ink technicians fondly recall the switch to FBB-02 for lower plate cleanout, steadier color through rapid changeovers, and consistent wetting across both cellulose and polyolefin substrates. These details only surface after hundreds of deliveries, years of feedback, and countless line trials under real demands from governments, brands, and end-consumers.

    Naphthol Red FBB-02 in a Competitive Landscape

    The pigment market floods buyers with all kinds of reds, but most turn up issues in heat stability, process dusting, or post-color drift. FBB-02 staked its reputation on steady performance where it counts most. Users value the bluish undertone, high tinting strength, and the lack of unwanted migration in food and toy packaging. It answers the need for a strong, safe, and reliable red across challenging regulatory and technical boundaries.

    Older market options like Pigment Red 57:1 bring down initial costs, but fade quickly and create compliance headaches in appliances or food packaging. Naphthol Red FBB-02 keeps the lifecycle cost low—not because the initial price trims every cent, but because color stays right, cleanups drop, and finished goods pass audits and aging tests the first time around.

    Compared head-to-head, FBB-02’s value stands out for brands seeking a strong visual impact and process flexibility. Decades of traceable performance in paints, inks, and plastics put it on firm ground for those needing color that keeps pace with both creative vision and manufacturing scale-up.

    Enhancing Sustainability and Safety

    Sustainability and safety shape every engineering conversation now. FBB-02 brings reduced volatile fractions, microfine particle filtration, and strict heavy metal controls. Our manufacturing plant adheres to both local and international standards for emissions, waste, and batch traceability. By cutting out redundant colorants and extending pigment hold under aggressive conditions, end users use less auxiliary chemistry and dilute paint or plastics less for the same visual effect. This trickles up the value chain as fewer warranty claims, happier customers, and cleaner compliance audits.

    We return personal visits and arrange feedback loops directly with operations crews to close knowledge gaps between pigment supply and product performance. Where off-the-shelf pigments used to let color drift, settle, or fail tough weathering, FBB-02 brings a steady answer rooted in years of direct feedback and careful adjustment. Regular insights from regulators, end users, and operators inform our improvements in recipe, finishing, and quality.

    On The Ground: Real Operations, Real Results

    Seasoned line managers want one thing from a pigment: confidence. Naphthol Red FBB-02 delivers this through consistent color, reliability across batches, and safety for workers and consumers. It does not just look good during product launch, but holds up under repeated stress. Production runs finish quicker, color matches simpler and less color correction fades into the background. Technicians switching from less predictable reds see longer intervals between equipment maintenance and reductions in waste and downtime.

    Over time, every user wants fewer complaints, less rework, and more trust from buyers who depend on bright, stable colors. Naphthol Red FBB-02’s story grows with each new challenge it meets out in the factory, the print room, or on the shop shelf. This is what grounds our work in reliability, real-world benefit, and continuous learning from honest feedback.