• <dd id="w2yka"></dd>
    <input id="w2yka"><input id="w2yka"></input></input>
  • <menu id="w2yka"></menu>
    <input id="w2yka"></input>
  • <dd id="w2yka"><menu id="w2yka"></menu></dd>
  • 97真人无码视频_国产真人一级a爱做片高潮_午夜在线理论无码_性无码一区二区三区在线
  • <dd id="w2yka"></dd>
    <input id="w2yka"><input id="w2yka"></input></input>
  • <menu id="w2yka"></menu>
    <input id="w2yka"></input>
  • <dd id="w2yka"><menu id="w2yka"></menu></dd>
  •        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: 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.