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1,1-Dichloro-1-fluoroethane (R-141b) from Canada

R-141b is the refrigerant designation for this dichlorofluoroethane compound, used in precision cleaning of metal parts and as a foam expansion agent. Its classification under HTS 2903.73.01.00 reflects its status as a separate chemically defined organic compound with two different halogens on an acyclic hydrocarbon chain.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Label containers with both chemical name and R-141b designation to facilitate customs verification

Include Montreal Protocol compliance documentation proving legal production under quota allocations

Avoid common pitfall of declaring as 'refrigerant' which could trigger incorrect Chapter 28 classification

1,1-Dichloro-1-fluoroethane (R-141b) from Canada — Import Duty Rate | HTS 2903.73.01.00