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      av无码东京热亚洲男人的天堂

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                 4,4’-Diaminostilbene-2,2’-disulf..
                 p-nitrotoluene-o-sulfonic acid ..
                 4,4-Dinitrostilbene-2,2-disulfon..
                 Aniline-2,5-disulfonic acid mono..
                 Para Amino Azo Benzene 4 Sulfoni..
                 4-aminobenzene-1,3-disulphonic a..
                  More
            Products

          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.