HS Code for HFC mixtures

HFC mixtures containing 15% or more by mass of 1,1,1-trifluoroethane (HFC-143a) are classified under HS code 3827.61. This classification falls under Chapter 38, which covers miscellaneous chemical products, rather than Chapter 29, because the product is a mixture of different chemical substances rather than a single chemically defined compound. Heading 3827 was introduced in the 2022 HS update to specifically categorize mixtures containing hydrofluorocarbons (HFCs), which are potent greenhouse gases. The subheading 3827.61 is specifically for mixtures that do not contain chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs) but do contain a significant concentration of HFC-143a. This classification is vital for the implementation of the Kigali Amendment to the Montreal Protocol, which aims to phase down the production and consumption of HFCs globally.

Products Included

• R-404A refrigerant mixtures
• R-507A refrigerant mixtures
• HFC blends with >15% HFC-143a content
• Industrial cooling mixtures containing HFC-143a

Common Misclassification

These mixtures are often misclassified under 3827.62 through 3827.69, which cover other HFC mixtures with different chemical compositions or lower concentrations of specific HFCs. Before 2022, these were often classified under 3824.78. Another common error is attempting to classify the mixture under the HS code of its primary component in Chapter 29 (such as 2903.39). However, General Interpretative Rule 1 and the notes to Chapter 29 dictate that mixtures must be classified in Chapter 38.

FAQ

What is the HS code for R-404A?

R-404A is typically classified under HS code 3827.61 because it contains more than 15% HFC-143a.

Why was the HS code for HFC mixtures changed recently?

The HS 2022 amendments created heading 3827 to better track HFCs and HFC mixtures for environmental monitoring under the Kigali Amendment.