Wusu, Tacheng Prefecture, Xinjiang, China sales7@sinochem-nanjing.com 3389378665@qq.com
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5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB)

    • Product Name 5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB)
    • Alias Ellman's reagent
    • Einecs 205-788-1
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    Specifications

    HS Code

    987157

    Chemical Name 5,5'-Dithiobis(2-Nitrobenzoic Acid)
    Abbreviation DTNB
    Cas Number 69-78-3
    Molecular Formula C14H8N2O8S2
    Molecular Weight 396.35 g/mol
    Appearance Yellow to yellow-orange powder
    Solubility Soluble in water and dimethyl sulfoxide (DMSO)
    Melting Point 204-206°C (decomposes)
    Storage Temperature 2-8°C (refrigerated)
    Lambda Max 412 nm (in aqueous solution)
    Application Ellman's reagent for quantifying free sulfhydryl groups
    Purity Typically ≥98%
    Sensitivity To Light Light sensitive
    Pka 3.3 (carboxylic acid group)
    Synonyms Ellman’s reagent, DTNB

    As an accredited 5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a 1-gram amber glass bottle with a screw cap, labeled "5,5′-Dithiobis(2-Nitrobenzoic Acid) (DTNB), analytical grade."
    Storage 5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB) should be stored in a tightly sealed container, protected from light and moisture, at 2-8°C (refrigerated) in a cool, dry, well-ventilated area. Avoid exposure to strong oxidizing agents, heat, and direct sunlight. Handle carefully, using appropriate personal protective equipment, to prevent contamination and degradation of the compound.
    Shipping 5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB) is shipped at ambient temperature as a solid, typically in tightly sealed, light-protective containers to maintain stability. It is considered non-hazardous for transport, but care should be taken to avoid moisture, heat, and prolonged light exposure during shipping and storage.
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    Competitive 5,5'-Dithiobis(2-Nitrobenzoic Acid) (DTNB) prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.

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    Tel: +8615371019725

    Email: sales7@sinochem-nanjing.com