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2903.73.01.00/1,1-Dichloro-1-fluoroethane (R-141b)/Mexico

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

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 2903.73.01.00