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              琪琪秋霞午夜Av影视在线

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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..
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                            Products

                          Chemical name: Para Amino Azo Benzene 4 Sulfonic Acid
                          Structural formula: 
                                       

                          Chemical formula: C12H11N3O3S
                          Molecular weight: 277.3
                          CAS NO.:104-23-4
                          Quality index:

                          Item Index
                          Appearance Orange to Brown Powder
                          Water 1% Maxi
                          Water Insolluble 0.2% Maxi
                          4-Aminoazobenzene-3’-sulfonic
                          acid  [102-23-8]
                          1 %  Maxi
                          4-Aminoazobenzene [60-09-3] <  0.1%
                          Sulphate  content 2500  PPM  Maxi
                          Ash  content 0.1%  Maxi

                          Main use: it is an intermediate of dyes, can be used to manufacture Acid Yellow 6, Acid Red 151, Acid Red 7, Acid Red 142, Direct Red 152
                          Packing: 25kg plastic woven bag or upon clients' request.