Section 06 Products of the chemical or allied 29 Organic chemicals 29 21 Amine-function compounds 29 21 22 - - Hexamethylenediamine and its salts 29 21 22 00 - - Hexamethylenediamine and its salts Commodity Code Description 29 21 22 00 000 - - Hexamethylenediamine and its salts