HSN Code 29222130 - 1 amino 2 naphthol 4 sulphonic acid

HSN Code (Classification)
Description
29(Chapter)Organic chemicals
2922(Heading)Oxygen-function amino-compounds
292221(Sub-Heading)Aminohydroxynaphthalene sulphonic acids and their salts :
29222130(Item)
1-amino-2-naphthol-4-sulphonic acid