HSN CodeHSN Description

28352400Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined - phosphates : of potassium

28417090Salts of oxometallic or peroxometallic acids - molybdates : other

29181200Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - carboxylic acids with alcohol function, but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : tartaric acid

28112200Other inorganic acids and other inorganic oxygen compounds of non-metals - other inorganic oxygen compounds of non-metals : silicon dioxide

28334000Sulphates; alums; peroxosulphates (persulphates) - peroxosulphates (persulphates)