1,1,2-Trifluoroethane (HFC-143) Research Chemical
1,1,2-Trifluoroethane (HFC-143), a specific isomer listed in HTS 2903.44.10, supplied in lecture bottles for laboratory synthesis and chemical research applications. Its classification follows chapter 29 rules for chemically defined halogenated acyclic hydrocarbons.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dissolved in solvent for lab reagent kits
Solutions for specific use fall outside chapter 29 per note 2(e) if solvent alters general use.
If industrial solvent grade with additives
Functional additions rendering it suitable for specific cleaning may shift classification.
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Import Tips & Compliance
• Small quantities for R&D may qualify for simplified EPA reporting but still need end-use statements
• Declare exact isomer (CAS 430-66-0) to avoid confusion with HFC-143a
• Ensure packaging complies with IATA/49 CFR for air shipment of Division 2.2 gases
Related Products under HTS 2903.44.10
Pentafluoroethane (HFC-125) Refrigerant Gas
Pentafluoroethane, known as HFC-125, is a hydrofluorocarbon used primarily as a component in refrigerant blends like R-404A and R-507 for commercial refrigeration systems. This pure, chemically defined saturated fluorinated derivative of acyclic hydrocarbons falls under HTS 2903.44.10 due to its specific chemical structure and chapter 29 applicability to separate halogenated organic compounds.
Pentaerythritol Tetranitrate Stabilized HFC-125
No, correction: Pure HFC-125 with anti-dusting stabilizer for safe pneumatic filling systems. Permitted under chapter note 2(g) for identification/safety without changing general use, maintaining HTS 2903.44.10 classification.
HFC-125/HFC-143a Calibration Gas Mixture
No, pure: Separate HFC-125 cylinder for gas chromatography calibration standards. Chemically defined per chapter note 2(a), classified HTS 2903.44.10.
1,1,2-Trifluoroethane (HFC-143) Propellant Grade
Propellant-grade 1,1,2-trifluoroethane (HFC-143) for aerosol pharmaceutical delivery systems, maintained pure for general industrial use under HTS 2903.44.10.
HFC-143a Electronic Grade Gas
Ultra-high purity 1,1,1-trifluoroethane (HFC-143a) for semiconductor cleaning processes, classified as chemically defined compound under HTS 2903.44.10.
Pentafluoroethane (HFC-125) Medical Propellant
Pharmaceutical grade HFC-125 for metered dose inhalers, pure form qualifying under general chapter 29 provisions for HTS 2903.44.10.