HFC-41 Semiconductor Etchant Gas
High-purity Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is critical for plasma etching in microchip fabrication, selectively removing silicon layers. As a separate chemically defined compound, it falls under this item.
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 product is a mixture of HFC-41 with other fluorinated gases
Mixtures of saturated fluorinated hydrocarbons are classified under the mixed item.
If the gas is formulated with other chemicals for a specific etching process
Prepared chemical products for semiconductor manufacturing may fall under chemical products.
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 HFC-41 is of semiconductor-grade purity
• Verify compliance with Canadian regulations on specialty gases
• Provide a detailed product specification sheet and safety data sheet to CBSA for clearance
Related Products under Tariff item 2903.43.00
1,1-Difluoroethane (HFC-152a) Fire Suppressant Blend Base
1,1-Difluoroethane (HFC-152a) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically enumerated under tariff item 2903.43.00. It is used as a base component in clean agent fire suppression systems for data centers and electronics, valued for its low toxicity and non-conductive properties. The pure chemical identity of HFC-152a qualifies it for classification under this item.
1,1-Difluoroethane (HFC-152a) Refrigerant Gas
1,1-Difluoroethane (HFC-152a) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is widely used as a refrigerant in commercial refrigeration systems and air conditioning units due to its favorable thermodynamic properties. The product is a separate chemically defined compound, meeting the chapter's requirements.
1,2-Difluoroethane (HFC-152) Blowing Agent
1,2-Difluoroethane (HFC-152) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.43.00. It functions as a blowing agent in the production of polyurethane foams for insulation and packaging, providing thermal efficiency. As a separate chemically defined compound, it qualifies for classification under this item.
Fluoromethane (HFC-41) Calibration Gas
Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It is used in trace amounts in nitrogen mixtures as calibration gas for environmental gas analyzers monitoring fluorocarbon emissions. The pure HFC-41 component drives classification, and the product meets the chapter's criteria for a separate chemically defined compound.
Fluoromethane (HFC-41) Industrial Gas
Fluoromethane (HFC-41) is a saturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.43.00. It is a specialty gas used in plasma etching processes for semiconductor manufacturing and as a component in some foam blowing agents. As a separate chemically defined compound, it falls under this item.
HFC-152a Aerosol Propellant
HFC-152a (1,1-difluoroethane) is a saturated fluorinated derivative of acyclic hydrocarbons, explicitly listed under tariff item 2903.43.00. It serves as an environmentally friendly aerosol propellant in personal care products like hairsprays and air fresheners, replacing more harmful CFCs. The pure compound qualifies for classification under this item.