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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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