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