HFO-1234yf Electronic Grade Refrigerant
Ultra-high purity HFO-1234yf (>99.99%) for precision cooling in semiconductor manufacturing, supplied in low-particulate cylinders. This is pure 2,3,3,3-tetrafluoropropene, a named unsaturated fluorinated derivative under tariff item 2903.51.00.
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 purity is below 99% or contains stabilizers.
The named compound must be pure; added stabilizers may shift classification.
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
• Document the purity level (>99.99%) with certificates of analysis to support classification
• Ensure cylinders meet Canadian standards for high-purity gases
• The end use in electronics does not affect classification under 2903.51.00
Related Products under Tariff item 2903.51.00
HFO-1234yf Automotive Refrigerant Charge
HFO-1234yf automotive refrigerant charge in pre-charged cylinders for servicing and retrofitting vehicle air conditioning systems. This is pure 2,3,3,3-tetrafluoropropene, an unsaturated fluorinated derivative of acyclic hydrocarbons, and is specifically named under tariff item 2903.51.00.
HFO-1234yf Chiller Retrofit Refrigerant
HFO-1234yf refrigerant for centrifugal chiller retrofits, supplied in 100-pound dewars for commercial building cooling systems. This is pure 2,3,3,3-tetrafluoropropene, a named unsaturated fluorinated acyclic hydrocarbon under tariff item 2903.51.00.
HFO-1234yf Mobile A/C Retrofit Kit Refrigerant
HFO-1234yf refrigerant in 4-ounce service cans included in retrofit kits for converting fleet vehicles from R-134a to low-GWP systems. This is pure 2,3,3,3-tetrafluoropropene, a named unsaturated fluorinated hydrocarbon under tariff item 2903.51.00.
HFO-1234yf Refrigerant Gas
HFO-1234yf refrigerant gas for automotive air conditioning, a low global warming potential alternative to R-134a. This is pure 2,3,3,3-tetrafluoropropene, an unsaturated fluorinated derivative of acyclic hydrocarbons, specifically named in tariff item 2903.51.00.
HFO-1234yf Transport Refrigeration Refrigerant
HFO-1234yf refrigerant for transport refrigeration in trucks and containers, replacing R-404A. This is pure 2,3,3,3-tetrafluoropropene, a named unsaturated fluorinated acyclic hydrocarbon under tariff item 2903.51.00.
HFO-1234yf VRF System Refrigerant
HFO-1234yf refrigerant for variable refrigerant flow (VRF) commercial HVAC systems, supplied in 25-pound cylinders. This is pure 2,3,3,3-tetrafluoropropene, a named unsaturated fluorinated derivative under tariff item 2903.51.00.