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Harmonized Tariff Schedule (2025 HTS Revision 18 (08/06/2025))

Heading	Duty(general)	Article Description	Compare Code
2921.51		o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof:	--
2921.51.10.00	6.5%	4-Amino-2-(N,N-diethylamino) toluene hydrochloride;m-Phenylenediamine;o-Phenylenediamine; Toluene-2,4-diamine; Toluene-2,5-diamine; and Toluene-2,5-diamine sulfate Other:	vs-292151
2921.51.20.00	6.5%	Photographic chemicals Other:	vs-2921511000
2921.51.30.00	6.5%	Products described in additional U.S. note 3 to section VI	vs-2921512000
2921.51.50.00	6.5%	Other	vs-2921513000