... name:2-Chloro-4-Aminotoluene-5-Sulphonic Acid CAS:88-51-9 2B acid 1, General name:2B acid 2, Chemical name:2 ... or light red powder Purity, (wt)%:≥98.0Moisture, (wt)%:≤1.0 Insoluble matter in alkali, (wt)%≤0.5Ash, %≤0. ... place, far away from oxidant, heat, fire and flame. 9, Cautions: Wear goggles and glass mask, gloves and gas mask ... is fired. 2-Amino-4-chloro-5-methylbenzenesulfonic acid,CAS:88-51-9