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Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate

    • Product Name Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate
    • Alias Optical Brightener OB-1
    • Einecs 225-004-1
    • Mininmum Order 1 g
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@ar-reagent.com
    • Manufacturer Nanjing Finechem Holdings Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    654971

    Iupac Name Disodium 4,4'-diisothiocyanato-2,2'-stilbenedisulfonate
    Cas Number 2718-90-3
    Chemical Formula C16H8N2Na2O6S4
    Molar Mass 534.53 g/mol
    Appearance Yellowish-white powder
    Solubility In Water Soluble
    Melting Point Decomposes before melting
    Odor Odorless
    Application Optical brightener (fluorescent whitening agent)
    Ph Of 1 Solution 7-9
    Light Fastness Good
    Stability Stable under normal conditions

    As an accredited Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate (25g) is packaged in a sealed, amber glass bottle with chemical hazard labeling.
    Shipping Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate is shipped in tightly sealed containers, protected from moisture and light. It is classified as non-hazardous for transport but should be kept dry and cool. Standard shipping typically uses a sturdy outer carton with internal cushioning, complying with relevant chemical shipping regulations and safety guidelines.
    Storage Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate should be stored in a tightly sealed container, protected from light and moisture. Keep in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Store at room temperature (15–25°C). Always follow manufacturer recommendations and local regulations for safe chemical storage.
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    Tel: +8615365186327

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