Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)
Halogenated derivatives of hydrocarbons. > Saturated fluorinated derivatives of acyclic hydrocarbons: > Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143) > Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143) > Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)
Duty Rate (from China)
Products classified under Tariff item 2903.44.00
1,1,1,2,2-Pentafluoroethane (HFC-125) Pure Gas
Pure 1,1,1,2,2-pentafluoroethane (HFC-125) is a saturated fluorinated derivative of acyclic hydrocarbons, supplied as a high-purity gas. It is a separate chemically defined compound under Chapter 29 Note 1(a) and is specifically named in tariff item 2903.44.00.
1,1,1-Trifluoroethane (HFC-143a) Pure Gas Cylinder
1,1,1-Trifluoroethane (HFC-143a) is a saturated fluorinated derivative of acyclic hydrocarbons, supplied as a pure gas in high-pressure cylinders. It is a separate chemically defined organic compound, meeting the criteria of Chapter 29 Note 1(a), and is specifically named under tariff item 2903.44.00.
1,1,2-Trifluoroethane (HFC-143) Propellant Grade
1,1,2-Trifluoroethane (HFC-143) is a saturated fluorinated acyclic hydrocarbon, supplied in propellant grade for aerosol pharmaceutical delivery systems. It is a separate chemically defined compound, meeting Chapter 29 Note 1(a), and is explicitly listed under tariff item 2903.44.00.
1,1,2-Trifluoroethane (HFC-143) Research Chemical
1,1,2-Trifluoroethane (HFC-143) is a specific isomer listed under tariff item 2903.44.00, supplied in lecture bottles for laboratory synthesis. As a separate chemically defined organic compound, it qualifies under Chapter 29 Note 1(a) and is not excluded by any chapter note.
HFC-125 Fire Extinguishing Gas
1,1,1,2,2-Pentafluoroethane (HFC-125) for fire suppression systems is a pure fluorinated hydrocarbon, specifically named under tariff item 2903.44.00. It is a separate chemically defined compound under Chapter 29 Note 1(a), and its use in fire suppression does not affect classification.
HFC-125 Medical Propellant Grade
Pharmaceutical-grade 1,1,1,2,2-pentafluoroethane (HFC-125) for metered dose inhalers is a pure compound, specifically named under tariff item 2903.44.00. It meets Chapter 29 Note 1(a) as a separate chemically defined organic compound.
HFC-125 Pentafluoroethane Technical Grade
Pentafluoroethane (HFC-125) is a saturated fluorinated derivative of acyclic hydrocarbons, supplied in technical grade with >99% purity and stabilized for transport. It is a separate chemically defined compound under Chapter 29 Note 1(a), and the stabilizer is permitted under Note 1(f) for preservation or transport.
HFC-125 Refrigerant Cylinder (99.9% Purity)
High-purity HFC-125 in 20 lb cylinders is a pure compound, specifically named under tariff item 2903.44.00. It is a separate chemically defined saturated fluorinated derivative, meeting Chapter 29 Note 1(a).
HFC-125 Semiconductor Processing Gas
Ultra-high purity 1,1,1,2,2-pentafluoroethane (HFC-125) for semiconductor plasma etching is a pure organic compound, specifically named under tariff item 2903.44.00. It meets Chapter 29 Note 1(a) as a separate chemically defined compound.
HFC-125 + Stabilizer Blend
HFC-125 with a transport stabilizer (≤0.1%) is still classified as a pure compound under tariff item 2903.44.00. The stabilizer is permitted under Chapter 29 Note 1(f) for preservation or transport, and the product remains chemically defined.
HFC-143a 1,1,1-Trifluoroethane Bulk Industrial
Bulk industrial 1,1,1-trifluoroethane (HFC-143a) is a pure saturated fluorinated derivative used in refrigerant production and foam blowing. It is a separate chemically defined compound, meeting Chapter 29 Note 1(a), and is specifically named under tariff item 2903.44.00.
HFC-143a Electronic Grade Gas
Ultra-high purity 1,1,1-trifluoroethane (HFC-143a) for semiconductor cleaning is a separate chemically defined compound under Chapter 29 Note 1(a). It is specifically named in tariff item 2903.44.00, and its high purity does not affect classification.
Pentaerythritol Tetranitrate Stabilized HFC-125
Pure HFC-125 with an anti-dusting stabilizer for safe pneumatic filling is a separate chemically defined compound. The stabilizer is permitted under Chapter 29 Note 1(g) for safety reasons, provided it does not make the product suitable for a specific use, so it remains under tariff item 2903.44.00.
Pentafluoroethane (HFC-125) Medical Propellant
Pharmaceutical grade HFC-125 for metered dose inhalers is a pure, separate chemically defined compound under Chapter 29 Note 1(a). It is specifically named in tariff item 2903.44.00, and its pharmaceutical grade does not change classification.
Pentafluoroethane (HFC-125) Refrigerant Gas
Pentafluoroethane (HFC-125) is a hydrofluorocarbon used in refrigerant blends, supplied as a pure, chemically defined saturated fluorinated derivative. It is specifically named under tariff item 2903.44.00 and meets Chapter 29 Note 1(a).