HFC-143a + Pentafluoroethane Blend Base
1,1,1-Trifluoroethane (HFC-143a) component (90%) for blending with HFC-125 per EPA SNAP allowances. Still classified under HTS 2903.44.1020 when imported pure for subsequent mixing, as the specific compound naming prevails.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-blended to ARI 700 specs
Completed refrigerant blends classify as mixtures in chapter 38.
If either pure component
Specific HFC naming prevails over mixture provisions per chapter notes.
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Import Tips & Compliance
• Document intended blend ratios (e.g
• 50/50 for R-507A); include downstream blender EPA ID
• Maintain segregated storage to prevent accidental pre-mixing during import transit
• ISO 9163 analytical method certification required for blend component verification
Related Products under HTS 2903.44.10.20
1,1,1-Trifluoroethane (HFC-143a) Refrigerant Gas
Pure 1,1,1-trifluoroethane (HFC-143a) is a saturated fluorinated acyclic hydrocarbon used primarily as a refrigerant gas in commercial refrigeration systems. This chemical compound falls under HTS 2903.44.1020 as it is specifically named in the subheading for pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a), and 1,1,2-trifluoroethane (HFC-143).
HFC-143a Aerosol Propellant
1,1,1-Trifluoroethane (HFC-143a) packaged for use as an aerosol propellant in consumer products like air dusters. Classified under HTS 2903.44.1020 as a pure separate chemically defined compound per chapter 29 note (a), specifically identified in the tariff subheading.
HFC-143a Electronic Cleaner Gas
High-purity 1,1,1-trifluoroethane (HFC-143a) in 10 oz cans for cleaning electronics and contacts. This pure halogenated hydrocarbon is classified in HTS 2903.44.1020 as it matches the exact chemical description in the saturated fluorinated acyclic hydrocarbons subheading.
Medical Grade HFC-143a Propellant
Pharmaceutical-grade 1,1,1-trifluoroethane (HFC-143a) for metered dose inhalers and medical aerosols. Falls under HTS 2903.44.1020 as a pure chemically defined organic compound specifically enumerated in the HFC-143a tariff provision.
HFC-143a Industrial Fire Suppressant
1,1,1-Trifluoroethane (HFC-143a) for total flooding fire suppression systems in data centers. Classified under HTS 2903.44.1020 per chapter 29 as a named saturated fluorinated derivative of acyclic hydrocarbons.
HFC-143a 99.99% Semiconductor Grade
Ultra-high purity 1,1,1-trifluoroethane (HFC-143a) for semiconductor etch processes and plasma cleaning. HTS 2903.44.1020 classification applies as this pure compound is explicitly named in the fluorinated acyclic hydrocarbons subheading.