Products Optical Brightener Optical-Brightener-Ern

Optical Brightener ERN

    • Product Name: Optical Brightener ERN
    • Chemical Name (IUPAC): 4,4'-Bis(2-sulfostyryl)biphenyl
    • CAS No.: 13001-38-2
    • 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 707826
    Product Name Optical Brightener ERN
    Chemical Name 4,4'-Bis(2-sulfostyryl)biphenyl disodium salt
    Cas Number 27344-41-8
    Appearance Yellowish powder or granular
    Color Index Fluorescent Brightener 220
    Solubility Easily soluble in water
    Application Paper, textile, and detergent industries
    Melting Point Above 300°C (decomposes)
    Fluorescence Strong blue fluorescence under UV light
    Ionic Type Anionic
    Ph Value 7-9 (1% aqueous solution)
    Stability Stable under normal temperatures and pressures

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

    Packing & Storage
    Packing Optical Brightener ERN is packaged in a 25 kg woven plastic bag with inner PE lining for moisture protection and secure transport.
    Container Loading (20′ FCL) Optical Brightener ERN: 20′ FCL (Full Container Load) typically holds 8-10 metric tons; packed in 25 kg fiber drums or bags.
    Shipping **Shipping Description for Optical Brightener ERN:** Optical Brightener ERN is typically shipped in tightly sealed, moisture-proof 25 kg fiber drums or bags. It should be transported as a non-hazardous chemical, kept dry, cool, and away from direct sunlight. Ensure proper labeling and comply with all local and international chemical transportation regulations.
    Storage Optical Brightener ERN should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed to prevent moisture absorption and contamination. Avoid contact with strong acids, alkalis, and oxidizing agents. Store at ambient room temperature and ensure proper labeling to maintain chemical integrity and safety.
    Shelf Life Optical Brightener ERN typically has a shelf life of 12 months when stored in a cool, dry, well-ventilated environment.
    Application of Optical Brightener ERN
    Purity 99%: Optical Brightener ERN with 99% purity is used in polyester fiber manufacturing, where it imparts high whiteness and brightness to finished textiles.Melting Point 230°C: Optical Brightener ERN with a melting point of 230°C is used in plastic film extrusion, where it ensures stable processing and uniform optical enhancement.Particle Size 10 μm: Optical Brightener ERN with 10 μm particle size is used in paper coating formulations, where it delivers enhanced dispersion and uniform brightness distribution.Molecular Weight 600 g/mol: Optical Brightener ERN with a molecular weight of 600 g/mol is used in detergent production, where it provides improved fluorescent whitening for laundered fabrics.Stability Temperature 180°C: Optical Brightener ERN with a stability temperature of 180°C is used in PVC compounding, where it maintains optical performance even during high-temperature processing.Solubility in Water 0.5 g/L: Optical Brightener ERN with water solubility of 0.5 g/L is used in aqueous ink systems, where it enhances print brilliance and color vibrancy.Light Fastness Grade 6: Optical Brightener ERN with light fastness grade 6 is used in outdoor advertising materials, where it offers long-lasting brightness under sunlight exposure.Viscosity Grade Low: Optical Brightener ERN with low viscosity grade is used in aqueous coatings, where it allows easy incorporation and homogeneous distribution without agglomeration.
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    Competitive Optical Brightener ERN prices that fit your budget—flexible terms and customized quotes for every order.

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

    We will respond to you as soon as possible.

    Tel: +8615651039172

    Email: sales9@bouling-chem.com

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