HSN Code 290410 - Derivatives containing only sulpho groups their salts and ethyl esters

HSN Code (Classification)
Description
29(Chapter)Organic chemicals
2904(Heading)Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
290410(Sub-Heading)
Derivatives containing only sulpho groups, their salts and ethyl esters :