Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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4',5'-Dibromofluorescein

    Specifications

    HS Code

    647128

    Chemicalname 4',5'-Dibromofluorescein
    Casnumber 518-47-8
    Molecularformula C20H10Br2O5
    Molecularweight 486.10
    Appearance Orange-red powder
    Meltingpoint 282-286°C
    Solubility Slightly soluble in water, soluble in ethanol
    Purity Typically ≥98%
    Synonyms Eosin B; Dibromofluorescein
    Max 518 nm (in ethanol)
    Storagetemperature 2-8°C
    Pka 3.1
    Ecnumber 208-252-0

    As an accredited 4',5'-Dibromofluorescein factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 4',5'-Dibromofluorescein, 25g, supplied in a sealed amber glass bottle with a secure screw cap, labeled for laboratory use.
    Storage 4',5'-Dibromofluorescein should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect it from light and moisture. Store at room temperature and avoid exposure to excessive heat. Ensure proper labeling and keep it in a secure chemical storage cabinet, following all safety regulations.
    Shipping 4',5'-Dibromofluorescein is shipped in tightly sealed, chemical-resistant containers to prevent contamination and degradation. It is protected from light, moisture, and extreme temperatures during transit. The package is clearly labeled with hazard information and complies with safety regulations for shipping laboratory chemicals, ensuring safe and secure delivery to the customer.
    Free Quote

    Competitive 4',5'-Dibromofluorescein prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@sinochem-nanjing.com