HSN Code 29222170 - Ortho phenyl sulphonyl h acid

HSN Code (Classification)
Description
29(Chapter)Organic chemicals
2922(Heading)Oxygen-function amino-compounds
292221(Sub-Heading)Aminohydroxynaphthalene sulphonic acids and their salts :
29222170(Item)
Ortho phenyl sulphonyl h-acid