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ACID BLACK 2 CAS 80316-29-6


  • CAS: 80316-29-6
  • Molecular Formula: C48H35N9
  • Molecular Weight: 737.85
  • Synonyms: STEEL GRAY; SILVER GRAY; NIGROSIN STAIN; NIGROSIN, WATER SOL; NIGROSIN WATER SOLUBLE; NIGROSIN W, WL; NIGROSIN; NIGROSINE B
  • Product Detail

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    What is ACID BLACK 2 CAS 80316-29-6?

    ACID BLACK 2 is black and shiny granular. Soluble in water, the aqueous solution is blue purple, adding sodium hydroxide solution to produce brown purple precipitate. It is blue in ethanol. ACID BLACK 2 dissolved in concentrated sulfuric acid is blue, after dilution to purple, and precipitated.

    Specification 

    Item Specification
    Boiling point 818.6±65.0 °C
    Density 1.22±0.1 g/cm3
    Vapor pressure 0.0±3.0 mmHg at 25°C
    Flash point 448.9±34.3 °C
    LogP 5.08
    Acidity coefficient (pKa) 5.51±0.10

    Application

    ACID BLACK 2 is used for biological staining, such as the staining of central nervous tissue, pancreatic tissue, cell buds, etc. ACID BLACK 2 is mainly used in the dyeing of wool and silk, but also in the dyeing of leather (usually through chromium dye), as well as in the coloring of paper, wood products, soap, electrolytic aluminum and the manufacture of inks.

    Package 

    25kg/drum or according to customer requirements.

    ACID BLACK 2-packing

    ACID BLACK 2 CAS 80316-29-6

    ACID BLACK 2-pack

    ACID BLACK 2 CAS 80316-29-6


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