HFC-125/HFC-143a Calibration Gas Mixture
A calibration gas mixture containing HFC-125 and HFC-143a, used for gas chromatography calibration standards. This product is a separate chemically defined compound per Chapter 29 Note 1(a), and is classified under tariff item 2903.44.00 as a saturated fluorinated derivative of acyclic hydrocarbons.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the mixture contains other HFCs not specified in 2903.44
Other saturated fluorinated derivatives of acyclic hydrocarbons not elsewhere specified
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the gas mixture is clearly labeled with its chemical composition and purity
• Verify that the product meets Canadian environmental regulations for HFCs, as import permits may be required
• Declare the correct tariff classification to avoid delays
Related Products 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.
1,1,1-Trifluoroethane (HFC-143a) Refrigerant Gas
Pure 1,1,1-trifluoroethane (HFC-143a) used as a refrigerant gas in commercial refrigeration systems. This saturated fluorinated acyclic hydrocarbon is a separate chemically defined compound, classified under tariff item 2903.44.00.
1,1,2-Trifluoroethane (HFC-143) Bulk Chemical
Bulk industrial quantities of 1,1,2-trifluoroethane (HFC-143) in tonnage cylinders for chemical manufacturing and refrigerant production. As a chemically defined saturated fluorinated acyclic hydrocarbon, it precisely matches tariff item 2903.44.00.
1,1,2-Trifluoroethane (HFC-143) Foam Blowing Agent
1,1,2-Trifluoroethane (HFC-143) supplied for rigid polyurethane foam insulation manufacturing as a blowing agent. This pure saturated fluorinated hydrocarbon is specifically identified in 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.