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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..
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                            Products

                          Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid
                          Structural formula: 
                                         
                          Chemical formula: C14H10N2O10S2
                          Molecular weight: 430
                          CAS NO.:128-42-7
                          Quality index:

                          Item Index
                          (1)Appearance orange powder
                          (2)Binitro acid content(gross dry product)   ≥ 65.0%
                          (3)binitrobenzyl compound
                          (gross dry product )    
                          ≤ 0.5%
                          (4)Other organic impurities(gross dry product )   ≤ 2.0%
                          (5)Inorganic salt(gross dry product )        ≤ 2.0%
                          (6)Water insolubles(gross dry product)       ≤ 1.0%

                          Main use: it is an intermediate of dyes.
                          Packing: 25kg plastic woven bag.