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Harmonized Tariff Schedule (2025 HTS Revision 7 (04/05/2025))

Heading	Duty(general)	Duty(china)	Article Description	Compare Code
2904.10			Derivatives containing only sulfo groups, their salts and ethyl esters:	--
2904.10.04.00	5.5%	The duty provided in the applicable subheading + 25%	2-Anthracenesulfonic acid	vs-290410
2904.10.08.00	5.5%	The duty provided in the applicable subheading + 25%	Benzenesulfonyl chloride	vs-2904100400
2904.10.10.00	5.5%	The duty provided in the applicable subheading + 25%	m-Benzenedisulfonic acid, sodium salt; 1,5-Naphthalenedisulfonic acid; andp-Toluenesulfonyl chloride	vs-2904100800
2904.10.15.00	5.5%	The duty provided in the applicable subheading + 25%	Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid Other: Aromatic:	vs-2904101000
2904.10.32.00	5.5%	The duty provided in the applicable subheading + 25%	Products described in additional U.S. note 3 to section VI	vs-2904101500
2904.10.37.00	5.5%	The duty provided in the applicable subheading + 25%	Other	vs-2904103200
2904.10.50.00	4.2%	The duty provided in the applicable subheading + 25%	Other	vs-2904103700