7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6 M.F:C10H9NO9S3 MW:383.36 Appearance:Colorless or brown powder 7-aminonaphthalene-1,3,6-trisulphonic acidCAS NO.118-03-6M.F:C10H9NO9S3MW:383.36Appearance:Colorless or brown powderPurity:90%minUsed for:Dyestuffs 7-aminonaphthalene-1,3,6-trisulphonic acid/118-03-6