CAS NO:90-51-7

EC NO:202-000-8

Molecular Formula:C₁₀H₉NO₄S

Molecular Weight:239.24

Synonyms:;C.I. Developer 3;2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-;Gamma Acid;7-AMINO-1-NAPHTHOL-3-SULFONIC ACID;7-AMINO-1-HYDROXY-3-SULFONAPHTHALENE;6-AMINO-4-NAPHTHOL-2-SULFONIC ACID;6-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID;2-Naphthalenesulfonicacid,6-amino-4-hydroxy-;6-amino-4-hydroxy-2-naphthalenesulfonicaci

Molecular Structure:

CAS NO:91-30-5

EC NO:202-058-4

Molecular Formula:C₁₂H₁₂N₂O₃S

Molecular Weight:264.3003

Synonyms:;5-Amino-2-(phenylamino)-benzenesulfonic acid; 2-(Phenylamino)-5-aminobenzenesulfonic acid; 4-Amino-1,1'-diphenylamine-2-sulfonic acid; 4-Amino-2-sulfodiphenylamine; 5-Amino-2-anilinobenzenesulfonic acid; 6-Anilinometanilic acid; N-Phenyl-p-phenylenediamine-2-sulfonic acid;4-Aminodiphenylamine-2-Sulfonic Acid;

Molecular Structure:

CAS NO:117-61-3

EC NO:204-200-0

Molecular Formula:C₁₂H₁₀N₂O₆S₂

Molecular Weight:342.3487

Synonyms:;[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino-;4,4'-Diaminobiphenyl-2,2'-disulfonic acid;4,4'-diaminobiphenyl-2,2'-disulfonate;BDSA;2,2'-Benzidinedisulfonic Acid;

Molecular Structure: