CFC-114 Calibration Gas Standard
Dichlorotetrafluoroethane in precise concentrations for gas chromatography calibration falls under HTS 2903.77.00.30 as a chemically defined compound per Chapter 29 note (a). Dissolved or mixed only as allowed in notes (d)-(g) for safety/transport. Used in environmental labs to calibrate ozone-depleting gas detectors.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagent prepared for lab apparatus
Lab reagents for diagnostic use shift to 3822; pure calibration standards remain classified by chemical identity.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide NIST-traceable certificates of analysis to prove calibration-grade purity and concentration
• Declare cylinder specifications; DOT hazmat compliance is critical for compressed gas imports
• Avoid classification as mixtures if solvent is solely for transport per note (e)
Related Products under HTS 2903.77.00.30
Dichlorotetrafluoroethane (CFC-114) Refrigerant Gas
Dichlorotetrafluoroethane (CFC-114), a perhalogenated acyclic hydrocarbon with only fluorine and chlorine, is classified under HTS 2903.77.00.30 as a halogenated derivative containing two different halogens. This chemical compound was historically used as a refrigerant in industrial cooling systems and as a blowing agent in foam production. Its classification is based on chapter 29 notes for separate chemically defined organic compounds.
CFC-114 Blowing Agent for Polyurethane Foam
CFC-114 serves as a blowing agent in rigid polyurethane foam production, fitting HTS 2903.77.00.30 due to its status as a separate chemically defined perhalogenated acyclic hydrocarbon with fluorine and chlorine only. This classification adheres to Chapter 29's scope for halogenated derivatives. It was commonly used in insulation foams before phase-out.
Medical Grade CFC-114 Aerosol Propellant
High-purity dichlorotetrafluoroethane (CFC-114) used as a propellant in pharmaceutical aerosols is classified under HTS 2903.77.00.30 as a chemically defined halogenated acyclic hydrocarbon. Chapter 29 notes confirm its inclusion as a separate organic compound, excluding immunological products. It was used in metered-dose inhalers before HFA replacements.
Recycled CFC-114 Refrigerant Blend Base
Reclaimed dichlorotetrafluoroethane (CFC-114) from recycled refrigerants, purified to chemical specification, is classified in HTS 2903.77.00.30 as a separate organic compound. Meets Chapter 29 criteria despite recycling origin, provided impurities are minimal.
CFC-114 Dielectric Fluid
CFC-114 used as an electrical insulating fluid in high-voltage equipment is a perhalogenated acyclic hydrocarbon under HTS 2903.77.00.30. Classified per Chapter 29 for chemically defined halogenated derivatives, not as finished electrical apparatus.
Research Grade CFC-114 for Atmospheric Studies
High-purity CFC-114 for scientific research on stratospheric ozone is classified under HTS 2903.77.00.30 as a halogenated derivative of acyclic hydrocarbons. Chapter 29 notes support classification of pure organic compounds for lab use.