... acid 1, General name:2B acid 2, Chemical name:2-Chloro-4-Aminotoluene-5-Sulphonic Acid3, Structural formula: 4, Molecular formula:C7H6ClNO3S, Molecular weight ... 5Ash, %≤0.5 7, Uses:an important organic Pigment intermediate. 8, Storage: Kept in ventilating place, far away from oxidant, heat ... equipment. It will release gas when it is fired. 2-Amino-4-chloro-5-methylbenzenesulfonic acid,CAS:88-51-9