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Harmonized Tariff Schedule (2026 HTS Revision 20 (09/28/2026))

Heading	Duty(general)	Article Description	Compare Code
2921.19.61.10	6.5%	N,N-Dialkyl (methyl, ethyl or n-propyl)-2-chloroethylamines and their protonated salts	--
2921.19.61.20	6.5%	Bis(2-chloroethyl)ethylamine)	vs-2921196110
2921.19.61.30	6.5%	Chlormethine (INN) (bis(2-chloroethyl)methylamine)	vs-2921196120
2921.19.61.40	6.5%	Trichlormethine (INN) (tris(2-chloroethyl)amine)	vs-2921196130
2921.19.61.95	6.5%	Other Acyclic polyamines and their derivatives; salts thereof:	vs-2921196140
2921.21.00.00	5.8%	Ethylenediamine and its salts	vs-2921196195
2921.22		Hexamethylenediamine and its salts:	vs-2921210000
2921.22.05.00	6.5%	Hexamethylenediamine adipate (Nylon salt) Other:	vs-292122
2921.22.10.00	6.5%	Derived in whole or in part from adipic acid	vs-2921220500
2921.22.50.00	6.5%	Other	vs-2921221000
2921.29.00	6.5%	Other	vs-2921225000
2921.29.00.10	6.5%	Tetraethylene pentamine	vs-29212900
2921.29.00.20	6.5%	Triethylenetetramine	vs-2921290010
2921.29.00.30	6.5%	Diethylenetriamine	vs-2921290020
2921.29.00.55	6.5%	Other	vs-2921290030
2921.30		Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: Derived in whole or in part from any aromatic compound:	vs-2921290055
2921.30.05.00	Free	1,3-Bis(aminoethyl)cyclohexane Other:	vs-292130
2921.30.10.00	6.5%	Products described in additional U.S. note 3 to section VI	vs-2921300500
2921.30.30.00	6.5%	Other	vs-2921301000
2921.30.50.00	3.7%	Other Aromatic monoamines and their derivatives; salts thereof:	vs-2921303000