... 1, General name:2B acid 2, Chemical name:2-Chloro-4-Aminotoluene-5-Sulphonic Acid3, Structural formula: 4, Molecular formula:C7H6ClNO3S, Molecular weight ... red powder, with slight ammonia odor. Flash point >240°C. 6, Specification:Appearance:white or light red powder Purity, (wt)%:≥98 ... defence equipment. It will release gas when it is fired. 2-Amino-4-chloro-5-methylbenzenesulfonic acid,CAS:88-51-9