1,1,1-Trifluoroethane (HFC-143a)
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) > 1,1,1-Trifluoroethane (HFC-143a)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified 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.
HFC-143a Cylinder Tonner Refill
Bulk 1,1,1-trifluoroethane (HFC-143a) in 1-ton capacity tonner cylinders for industrial gas distributors. This separate chemically defined compound is classified in HTS 2903.44.1020 as specifically provided for 1,1,1-trifluoroethane.
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.
HFC-143a Precision Cleaning Solvent
Stabilized 1,1,1-trifluoroethane (HFC-143a) with transport stabilizer for vapor degreasing. Qualifies for HTS 2903.44.1020 per chapter note (f) allowing stabilizers necessary for preservation/transport of pure compounds.
HFC-143a Calibration Standard
NIST-traceable 1,1,1-trifluoroethane (HFC-143a) gas standard at 100 ppm in air for gas chromatography calibration. The principal HFC-143a component determines classification under HTS 2903.44.1020 as the named pure compound.