HS Code for HFC-41

HFC-41, or fluoromethane, is classified under HS code 2903.43. This classification falls under Chapter 29 (Organic Chemicals) and Heading 2903 (Halogenated derivatives of hydrocarbons). The specific subheading 2903.43 is reserved for saturated fluorinated derivatives of acyclic hydrocarbons, specifically naming fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152), and 1,1-difluoroethane (HFC-152a). The classification is based on the chemical structure: it is an acyclic hydrocarbon (methane) where one or more hydrogen atoms have been replaced by fluorine, and it contains no double or triple bonds (saturated). Under the Harmonized System's 2022 revisions, these specific HFCs were grouped to facilitate international tracking of greenhouse gases. Proper classification requires verifying that the substance is not mixed with other chemicals, as Chapter 29 is strictly for separate chemically defined compounds.

Products Included

• Fluoromethane (HFC-41)
• 1,2-difluoroethane (HFC-152)
• 1,1-difluoroethane (HFC-152a)
• Pure HFC-41 gas used in semiconductor etching
• Pure HFC-152a used as an aerosol propellant

Common Misclassification

A common misclassification occurs with HS code 2903.41, which is specifically for trifluoromethane (HFC-23), or 2903.42, which is for difluoromethane (HFC-32). Importers often confuse these because they are all fluorinated methanes or ethanes. Additionally, HFC-152a is sometimes incorrectly placed in 2903.45 (tetrafluoroethanes) due to the similarity in name, but 2903.43 is the specific home for the difluoro- variants.

FAQ

What is the HS code for HFC-41?

The HS code for HFC-41 (fluoromethane) is 2903.43.

Is HFC-152a classified under the same code as HFC-41?

Yes, both HFC-41 and HFC-152a are explicitly listed under the same HS subheading, 2903.43, as they are both saturated fluorinated derivatives of acyclic hydrocarbons.