Optical Brightener CF-90

    • Product Name: Optical Brightener CF-90
    • Chemical Name (IUPAC): 4,4'-Bis(2-sulfostyryl)biphenyl
    • CAS No.: 27344-41-8
    • Chemical Formula: C40H38N12O8S2Na2
    • Form/Physical State: Powder
    • Factroy Site: West Ujimqin Banner, Xilingol League, Inner Mongolia, China
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Bouling Coating
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    Specifications

    HS Code

    719314

    Chemical Name Optical Brightener CF-90
    Appearance Yellowish green powder
    Color Index Number C.I. 220
    Ionic Character Anionic
    Melting Point 220°C (decomposes)
    Solubility Easily soluble in water
    Ph Value 1 Percent Solution 7-9
    Main Ingredient Stilbene derivative
    Moisture Content ≤5%
    Application Paper, detergent and textile industry
    Light Fastness Good
    Maximum Absorption Wavelength Approx. 350-370 nm

    As an accredited Optical Brightener CF-90 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Optical Brightener CF-90 is packaged in 25 kg fiber drums, sealed with inner polyethylene bags for moisture protection and safety.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Optical Brightener CF-90: Typically loaded as 10,000 kg in 25 kg fiber drums, safely palletized for export.
    Shipping Optical Brightener CF-90 is shipped in sealed, high-density polyethylene drums or bags to ensure product stability and prevent contamination. Packaging typically includes 25 kg units, clearly labeled with handling and safety instructions. Store and transport in a cool, dry, well-ventilated area, away from direct sunlight and incompatible substances.
    Storage Optical Brightener CF-90 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and moisture. Keep the container tightly closed when not in use and avoid contact with incompatible substances such as strong oxidizing agents. Proper labeling and storage in accordance with safety regulations are essential to prevent contamination and ensure product stability.
    Shelf Life Optical Brightener CF-90 has a shelf life of 12 months when stored in a cool, dry, and well-ventilated area.
    Application of Optical Brightener CF-90

    Purity 99%: Optical Brightener CF-90 with purity 99% is used in polyester fiber production, where it delivers enhanced whiteness and increased brightness levels.

    Melting Point 220°C: Optical Brightener CF-90 with a melting point of 220°C is used in high-temperature plastic molding, where it provides thermal stability and maintains optical performance.

    Molecular Weight 700: Optical Brightener CF-90 with a molecular weight of 700 is used in detergent manufacturing, where it yields uniform dispersion and consistent fabric brightening.

    UV Stability 96 hours: Optical Brightener CF-90 with UV stability of 96 hours is used in outdoor synthetic textiles, where it ensures long-lasting color retention and brightness.

    Particle Size D90 < 5μm: Optical Brightener CF-90 with particle size D90 < 5μm is used in water-based coatings, where it offers superior uniformity and efficient light scattering.

    Solubility in Water 12 g/L: Optical Brightener CF-90 with solubility in water 12 g/L is used in liquid laundry detergents, where it guarantees rapid dissolution and effective stain masking.

    Viscosity Grade 200 mPa·s: Optical Brightener CF-90 with viscosity grade 200 mPa·s is used in paper pulp processing, where it promotes homogeneous distribution and enhanced paper brightness.

    Thermal Stability 180°C: Optical Brightener CF-90 with thermal stability at 180°C is used in polypropylene films, where it maintains optical properties during extrusion.

    pH Stability Range 6–10: Optical Brightener CF-90 with pH stability range 6–10 is used in photographic paper formulations, where it preserves brightness across processing conditions.

    Chlorine Resistance 85%: Optical Brightener CF-90 with chlorine resistance of 85% is used in bleach-compatible laundry detergents, where it maintains brightness after repeated exposures.

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    For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.

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    Email: sales9@bouling-chem.com

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