Chapter 29: Organic chemicals

HTS heading 2903: Halogenated derivatives of hydrocarbons

90 numbered lines under heading 2903, including 76 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

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HTS heading 2903
HTS code	Description	Unit	General	Special	Column 2
2903	Halogenated derivatives of hydrocarbons:
	Saturated chlorinated derivatives of acyclic hydrocarbons:
2903.11.00	Chloromethane (Methyl chloride) and chloroethane (Ethyl chloride)		5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	125%
2903.11.00.10	Chloromethane (Methyl chloride)	kg
2903.11.00.20	Chloroethane (Ethyl chloride)	kg
2903.12.00.00	Dichloromethane (Methylene chloride)Note: See 9903.90.08.	kg	3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.13.00.00	Chloroform (Trichloromethane)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	32%
2903.14.00.00	Carbon tetrachloride	kg	2.3%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	8.5%
2903.15.00.00	Ethylene dichloride (ISO) (1,2-dichloroethane)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	88%
2903.19	Other:
2903.19.05.00	1,2-Dichloropropane (Propylene dichloride) and dichlorobutanes	kg	5.1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	33.3%
2903.19.10.00	Hexachloroethane and tetrachloroethane	kg	3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.19.30.00	sec-Butyl chloride	kg	Free		114.5%
2903.19.60	Other		5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)	114.5%
2903.19.60.10	Methylchloroform (1,1,1-Trichloroethane)	kg
2903.19.60.50	Other	kg
	Unsaturated chlorinated derivatives of acyclic hydrocarbons:
2903.21.00.00	Vinyl chloride (Chloroethylene)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	76%
2903.22.00.00	Trichloroethylene	kg	4.2%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	30%
2903.23.00.00	Tetrachloroethylene (Perchloroethylene)	kg	3.4%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.29.00.00	Other	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	114.5%
	Saturated fluorinated derivatives of acyclic hydrocarbons:
2903.41.10.00	Trifluoromethane (HFC-23)Note: See 9903.90.08.	kg	3.7%	Free (A, AU, BH,CL, CO, D, E, IL, JO, K,KR, MA, OM, P,PA, PE, S, SG)	25%
2903.42.10.00	Difluoromethane (HFC-32)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.43.10.00	Fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152) and 1,1-difluoroethane (HFC-152a)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.44.10	Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)Note: See 9903.90.08.		3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.44.10.10	1,1,1,2,2-Pentafluoroethane (HFC-125)	kg
2903.44.10.20	1,1,1-Trifluoroethane (HFC-143a)	kg
2903.44.10.30	1,1,2-trifluoroethane (HFC-143)	kg
2903.45.10.00	1,1,1,2-Tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.46.10.00	1,1,1,2,3,3,3-Heptafluoropropane (HFC-227ea),1,1,1,2,2,3-hexafluoropropane (HFC-236cb),1,1,1,2,3,3-hexafluoropropane (HFC-236ea) and 1,1,1,3,3,3-hexafluoropropane (HFC-236fa)Note: See 9903.90.08.	kg	3.7%	Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.47.10.00	1,1,1,3,3-Pentafluoropropane (HFC-245fa) and 1,1,2,2,3-pentafluoropropane (HFC-245ca)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.48.00.00	1,1,1,3,3-Pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-4310mee)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.49.00.00	OtherNote: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
	Unsaturated fluorinated derivatives of acyclic hydrocarbons:
2903.51.10.00	2,3,3,3-Tetrafluoropropene (HFO-1234yf),1,3,3,3-tetrafluoropropene (HFO-1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz)Note: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.59	Other:
2903.59.10.10	1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-eneNote: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
2903.59.90.00	OtherNote: See 9903.90.08.	kg	3.7%	Free(A, AU, BH,CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
	Brominated or iodinated derivatives of acyclic hydrocarbons:
2903.61.00.00	Methyl bromide (bromomethane)	kg	Free		25%
2903.62.10.00	Ethylene dibromide (ISO) (1,2-dibromoethane)	kg	5.4%	Free (A+, AU, BH,CL, CO, D, E, IL,JO, KR, MA, OM,P, PA, PE, S, SG)	46.3%
2903.69	Other:
2903.69.10.00	Acetylene tetrabromide; alkyl bromides, other than methyl bromide (bromomethane); methylene dibromide; and vinyl bromide	kg	Free		25%
2903.69.90.00	OtherNote: See 9903.90.08.	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)	25%
	Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens:
2903.71.01.00	Chlorodifluoromethane (HCFC-22)	kg	3.7%	Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.72.01.00	Dichlorotrifluoroethanes (HCFC-123)	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.73.01.00	Dichlorofluoroethanes (HCFC-141, 141b)	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.74.01.00	Chlorodifluoroethanes (HCFC-142, 142b)	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.75.01.00	Dichloropentafluoropropanes (HCFC-225, 225ca, 225cb)	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.76.01.00	Bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) and dibromotetrafluoroethanes (Halon-2402)	kg	3.7%	Free(A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)	25%
2903.77.00	Other, perhalogenated only with fluorine and chlorine		3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.77.00.10	Trichlorofluoromethane	kg
2903.77.00.20	Trichlorotrifluoroethanes	kg
2903.77.00.30	Dichlorotetrafluoroethane (CFC-114)	kg
2903.77.00.40	Monochloropentafluoroethane (CFC-115)	kg
2903.77.00.50	Dichlorodifluoromethane	kg
2903.77.00.80	Other	kg
2903.78.00.00	Other perhalogenated derivativesNote: See 9903.90.08.	kg	3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.79	Other:
2903.79.10.00	Bromochloromethane	kg	Free		25%
2903.79.90	OtherNote: See 9903.90.08.		3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.79.90.30	Monochlorotetrafluoroethane (HCFC-124)	kg
2903.79.90.70	Other	kg
	Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons:
2903.81.00.00	1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 64.5%
2903.82.00.00	Aldrin (ISO), chlordane (ISO) and heptachlor (ISO)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 64.5%
2903.83.00.00	Mirex (ISO)	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	114.5%
2903.89	Other:
	Derived in whole or in part from benzene or other aromatic hydrocarbons:
2903.89.05.00	Dibromoethyldibromocyclohexane	kg	Free		15.4¢/kg + 64.5%
	Other:
2903.89.11.00	Pesticides	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 64.5%
	Other:
2903.89.15.00	Products described in additional U.S. note 3 to section VI	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 53.5%
2903.89.20.00	Other	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 53.5%
	Other:
2903.89.31.00	Chlorinated, but not otherwise halogenated	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	114.5%
	Other:
2903.89.40.00	1,3,5,7,9,11-Hexabromocyclododecane	kg	3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.89.60.00	Tetrabromocyclooctane	kg	Free		25%
2903.89.70	OtherNote: See 9903.90.08.		3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	25%
2903.89.70.10	Other hexabromocyclododecanes (HBCDs)	kg
2903.89.70.90	Other	kg
	Halogenated derivatives of aromatic hydrocarbons:
2903.91	Chlorobenzene, o-dichlorobenzene and p-dichlorobenzene:
2903.91.10.00	Chlorobenzene	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 91.5%
2903.91.20.00	o-Dichlorobenzene	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 84%
2903.91.30.00	p-Dichlorobenzene	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 40.5%
2903.92.00.00	Hexachlorobenzene (ISO) and DDT (ISO) (clofenotane (INN)), (1,1,1-trichloro-2,2- bis(p-chlorophenyl)ethane)	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%
2903.93.00.00	Pentachlorobenzene (ISO)	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%
2903.94.00.00	Hexabromobiphenyls	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%
2903.99	Other:
2903.99.05.00	3-Bromo-α,α,α-trifluorotoluene; 2-Chloro-5-bromo-α,α,α-trifluorotoluene; andα-Chloro-3-methyltoluene	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 71%
2903.99.08.00	p-Chlorobenzotrifluoride; and 3,4-Dichlorobenzotrifluoride	kg	5.5%	Free (A,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%
2903.99.10.00	m-Dichlorobenzene; 1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane; and Trichlorobenzenes	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 40.5%
2903.99.15.00	Triphenylmethyl chloride	kg	Free		15.4¢/kg + 71%
2903.99.20.00	Benzyl chloride (α-Chlorotoluene); and Benzotrichloride (α,α,α-Trichlorotoluene)	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 48%
2903.99.23.00	Pentabromoethylbenzene	kg	Free		15.4¢/kg + 71%
2903.99.27.00	Tribromocumene	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%
	Other:
2903.99.30.00	Pesticides	kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 64.5%
2903.99.80.01	Other	kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 71%

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

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Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.