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           p-nitrotoluene-o-sulfonic acid ..
           Aniline-2,5-disulfonic acid mono..
           Para Amino Azo Benzene 4 Sulfoni..
           4-aminobenzene-1,3-disulphonic a..

    Chemical name: p-nitrotoluene-o-sulfonic acid
    Structural formula: 
    Chemical formula: C7H11NO7S
    Molecular weight: 253
    CAS NO.:121-03-9
    Quality index:

    Item Index
    (1)Appearance milk white crystal
    (2)Assay (Gross sample)   ≥ 80.0%
    (3)Moisture (Gross sample)   ≤ 5.0%
    (4)Free acid (Gross sample) ≤ 1.0%
    (5)Insolubles(Gross sample)   ≤ 0.1%

    Main use: it is an intermediate of dyes, can be used to manufacture Yellow R.

    Packing: 25kg plastic woven bag or upon clients' request.