Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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Indigo Carmine

    Specifications

    HS Code

    766410

    Chemical Name Indigo Carmine
    Synonyms Acid Blue 74, FD&C Blue No. 2, Indigo Disulfonate
    Molecular Formula C16H8N2Na2O8S2
    Molecular Weight 466.36 g/mol
    Cas Number 860-22-0
    Appearance Blue to blue-violet powder
    Solubility Soluble in water
    Ph 1 Solution Approximately 6.5 - 7.0
    Odor Odorless
    Applications Biological staining, food coloring, redox indicator
    Storage Conditions Store in a cool, dry place, protected from light
    Stability Stable under recommended storage conditions
    E Number E132

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

    Packing & Storage
    Packing Indigo Carmine is packaged in a sealed 100g amber glass bottle with a tamper-evident cap, labeled with safety and product information.
    Storage Indigo Carmine should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. It should be kept away from incompatible substances such as strong oxidizers. Ensure the storage area is protected from moisture, as Indigo Carmine is sensitive to humidity and prolonged exposure can affect its quality and stability.
    Shipping Indigo Carmine is shipped in tightly sealed containers to prevent moisture exposure. It is classified as non-hazardous but should be handled with care. Typically transported as a powder or crystalline solid, it must be kept away from incompatible substances. Packaging complies with local and international regulations for safe chemical transport.
    Free Quote

    Competitive Indigo Carmine 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