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    Mainly produces a series of intermediate products based on naphthalene and benzene

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    PRODUCTS

    6-Nitro-1,2,4 Diazo Acid (6-Nitro-1-Diazo-2-Naphthol-4-Sulphonic Acid)
    Synonyms 6-Nitro-1,2,4 Diazo Acid (6-Nitro-1-Diazo-2-Naphthol-4-Sulphonic Acid)
    Stuctural formular
    CAS no 5366-84-7
    Molecular weight 295.3
    Molecular Formula

    C10H6N3O6S

    Descriptions This Nitro derivative is also considered to exist in quinone-diazide form (4-Diazo-3,4-Dhydro-7- Nitro-3-Oxo Naphthalene-l-Sulphonic acid). It is more important component for mettalised & mettallisable dyes than 1,2,4 acid diazo
    Specification
    Index
    1st grade
    2nd grade
    3rd grade
    Appearance
    Yellow to light brown moist material
    Purity %min.
    75
    73
    70
    Content by HPLC %min.
    90
    88
    87
    Insolubles%max.
    0.1
    0.1
    0.2
    Free acid (H2SO4) %max.
    4
    5
    6
    Fe mg/kg max.
    30
    30
    30
    Packing In HDPE woven sacks with poly liner or in M.S. drums of 40kgs to 170kgs.

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