Optical Brightener MST

    • Product Name: Optical Brightener MST
    • Chemical Name (IUPAC): 4,4'-Bis(2-sulfostyryl)biphenyl
    • CAS No.: 16090-02-1
    • 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

    272416

    Product Name Optical Brightener MST
    Chemical Class Stilbene derivative
    Appearance White to yellowish powder
    Solubility Soluble in water
    Molecular Formula C40H38N12O8S2Na2
    Cas Number 16090-02-1
    Melting Point Approx. 230°C (decomposes)
    Absorption Maxima 350-370 nm
    Fluorescence Emission Blue fluorescence under UV light
    Applications Used in paper, detergent, textile industries
    Ionic Character Anionic
    Storage Conditions Store in cool, dry place
    Recommended Dosage 0.05-0.5% depending on application
    Ph Range Use Optimal in pH 7-10

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

    Packing & Storage
    Packing Optical Brightener MST is typically packaged in 25 kg woven bags with inner plastic lining to ensure moisture protection and safe transport.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Optical Brightener MST: 8MT (bagged, on pallets), securely packed to prevent damage, suitable for export.
    Shipping Optical Brightener MST is shipped in tightly sealed 25 kg fiber drums or kraft paper bags to protect from moisture and sunlight. The packaging ensures safe handling during transportation. It should be stored in a cool, dry place, away from heat and incompatible substances to maintain product stability and quality.
    Storage Optical Brightener MST should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and incompatible substances such as strong acids and oxidizers. Protect the product from moisture and keep it away from ignition sources. Ensure containers are clearly labeled, and practice good hygiene and safety measures during handling and storage.
    Shelf Life Optical Brightener MST typically has a shelf life of 24 months when stored in a cool, dry place, away from sunlight.
    Application of Optical Brightener MST

    Purity 99%: Optical Brightener MST with 99% purity is used in textile whitening processes, where it delivers superior brightness and minimizes yellowing under UV illumination.

    Molecular Weight 700 g/mol: Optical Brightener MST at 700 g/mol is applied in detergent formulations, where it enhances fabric whiteness and improves wash-fastness.

    Melting Point 220°C: Optical Brightener MST with a melting point of 220°C is incorporated in plastic manufacturing, where it ensures excellent thermal stability and consistent color enhancement.

    Particle Size 5 µm: Optical Brightener MST of 5 µm particle size is used in paper coating applications, where it achieves uniform distribution and maximizes print clarity.

    Stability Temperature 180°C: Optical Brightener MST stable at 180°C is utilized in polyester fiber processing, where it maintains optical efficacy throughout high-temperature extrusion.

    Free Quote

    Competitive Optical Brightener MST 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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