important organic Pigment intermediate. 1, General name:2B acid 2, Chemical name:2-Chloro-4-Aminotoluene-5-Sulphonic Acid3, Structural formula:4, Molecular formula ... white or light red powder Purity, (wt)≥98%Moisture, (wt)≤1.0 %Insoluble matter in alkali, (wt)≤0.5%Ash≤0 ... plastic woven bag.8Uses:an important organic Pigment intermediate. 2B acid