Orange Acid-8

Einecs 242-397-5

4-[(2-hydroxy-1-naphthyl)azo]-m-toluenesulphonic acid

3-Methyl-4-(2-hydroxy-1-naphtylazo)benzenesulfonic acid

4-[(2-Hydroxy-1-naphthalenyl)azo]-3-methylbenzenesulfonic acid