... Chloro-4-Aminotoluene-5-Sulphonic Acid CAS:88-51-9 2B acid 1, General name:2B acid 2, Chemical name:2 ... :221.55, Properties: Industrial grade is white or light red powder, with slight ammonia odor. Flash point >240°C ... . 6, Specification:Appearance:white or light red powder Purity, (wt)%:≥98.0Moisture, (wt)%:≤1.0 Insoluble ... is fired. 2-Amino-4-chloro-5-methylbenzenesulfonic acid,CAS:88-51-9