... important organic Pigment intermediate. 2B acid 1, General name:2B acid 2, Chemical name:2-Chloro-4-Aminotoluene-5-Sulphonic Acid3, Structural formula: 4 ... :white or light red powder Purity, (wt)%:≥98.0Moisture, (wt)%:≤1.0 Insoluble matter in alkali, (wt)%≤0.5Ash, %≤0.5 ... 7, Uses:an important organic Pigment intermediate. 8, Storage: Kept in ventilating place, far away from oxidant, heat ...