Import duty / Chapter 29 / Heading 2903
Heading 2903 covers 42 tariff lines in LoadLoom's table; 35 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 2903.11 | Saturated chlorinated derivatives of acyclic hydrocarbons; chloromethane (methyl chloride) and chloroethane (ethyl chloride) | 5.5% | Free | Free with certificate |
| 2903.12 | Saturated chlorinated derivatives of acyclic hydrocarbons; dichloromethane (methylene chloride) | 3.7% | Free | Free with certificate |
| 2903.13 | Saturated chlorinated derivatives of acyclic hydrocarbons; chloroform (trichloromethane) | 5.5% | Free | Free with certificate |
| 2903.14 | Saturated chlorinated derivatives of acyclic hydrocarbons; carbon tetrachloride | 2.3% | Free | Free with certificate |
| 2903.15 | Saturated chlorinated derivatives of acyclic hydrocarbons; ethylene dichloride (ISO) (1,2-dichloroethane) | 5.5% | Free | Free with certificate |
| 2903.19 | Saturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.1 | 5.1% | Free | Not eligible |
| 2903.21 | Unsaturated chlorinated derivatives of acyclic hydrocarbons; vinyl chloride (chloroethylene) | 5.5% | Free | Free with certificate |
| 2903.22 | Unsaturated chlorinated derivatives of acyclic hydrocarbons; trichloroethylene | 4.2% | Free | Free with certificate |
| 2903.23 | Unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene) | 3.4% | Free | Free with certificate |
| 2903.29 | Unsaturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.2 | 5.5% | Free | Free with certificate |
| 2903.41 | Saturated fluorinated derivatives of acyclic hydrocarbons; trifluoromethane (HFC-23) | 3.7% | Free | Free with certificate |
| 2903.42 | Saturated fluorinated derivatives of acyclic hydrocarbons; difluoromethane (HFC-32) | 3.7% | Free | Free with certificate |
| 2903.43 | Saturated fluorinated derivatives of acyclic hydrocarbons; fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152) and 1,1-difluoroethane (HFC-152a) | 3.7% | Free | Free with certificate |
| 2903.44 | Saturated fluorinated derivatives of acyclic hydrocarbons; pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143) | 3.7% | Free | Free with certificate |
| 2903.45 | Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,2-tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134) | 3.7% | Free | Free with certificate |
| 2903.46 | Saturated fluorinated derivatives of acyclic hydrocarbons; 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) | 3.7% | Free | Free with certificate |
| 2903.47 | Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,3,3-pentafluoropropane (HFC-245fa) and 1,1,2,2,3-pentafluoropropane (HFC-245ca) | 3.7% | Free | Free with certificate |
| 2903.48 | Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-43-10mee) | 3.7% | Free | Free with certificate |
| 2903.49 | Saturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no 2903.4 | 3.7% | Free | Free with certificate |
| 2903.51 | Unsaturated fluorinated derivatives of acyclic hydrocarbons; 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) | 3.7% | Free | Free with certificate |
| 2903.59 | Unsaturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.5 | 3.7% | Free | Not eligible |
| 2903.61 | Brominated or iodinated derivatives of acyclic hydrocarbons; methyl bromide (bromomethane) | Free | Free | Free with certificate |
| 2903.62 | Brominated or iodinated derivatives of acyclic hydrocarbons; ethylene dibromide (ISO) (1,2-dibromoethane) | 5.4% | Free | Free with certificate |
| 2903.69 | Brominated or iodinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.6 | Free | Free | Not eligible |
| 2903.71 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (HCFC-22) | 3.7% | Free | Free with certificate |
| 2903.72 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorotrifluoroethane (HCFC-123) | 3.7% | Free | Free with certificate |
| 2903.73 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (HCFC-141, 141b) | 3.7% | Free | Free with certificate |
| 2903.74 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoroethanes HCFC-142, 142b) | 3.7% | Free | Free with certificate |
| 2903.75 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichloropentafluoropropanes (HCFC-225, 225ca, 225cb) | 3.7% | Free | Free with certificate |
| 2903.76 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301), and dibromotetrafluoroethanes (Halon-2402) | 3.7% | Free | Free with certificate |
| 2903.77 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; n.e.c. in headings 290371 to 290376, perhalogenated only with fluorine and chlorine | 3.7% | Free | Free with certificate |
| 2903.78 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; perhalogenated derivatives, other than those only with fluorine and chlorine, n.e.c. in item no. 2903.71 to 2903.76 | 3.7% | Free | Free with certificate |
| 2903.79 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; n.e.c. in item no. 2903.7 | Free | Free | Not eligible |
| 2903.81 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN) | 5.5% | Free | Free with certificate |
| 2903.82 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; aldrin (ISO), chlordane (ISO), and heptachlor (ISO) | 5.5% | Free | Free with certificate |
| 2903.83 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; mirex (ISO) | 5.5% | Free | Free with certificate |
| 2903.89 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; n.e.c. in item no. 2903.8 | Free | Free | Not eligible |
| 2903.91 | Halogenated derivatives of aromatic hydrocarbons; chlorobenzene, o-dichlorobenzene, and p-dichlorobenzene | 5.5% | Free | Not eligible |
| 2903.92 | Halogenated derivatives of aromatic hydrocarbons; hexachlorobenzene (ISO) and DDT (ISO) (clofenotane (INN), and 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane) | 5.5% | Free | Free with certificate |
| 2903.93 | Halogenated derivatives of aromatic hydrocarbons; pentachlorobenzene (ISO) | 5.5% | Free | Free with certificate |
| 2903.94 | Halogenated derivatives of aromatic hydrocarbons; hexabromobiphenyls | 5.5% | Free | Free with certificate |
| 2903.99 | Halogenated derivatives of aromatic hydrocarbons; n.e.c. in item no. 2903.91, 2903.92, 2903.93 and 2903.94 | 5.5% | Free | Not eligible |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
