Perfluorobutene (C4F8)
>- Perfluorobutene (C4F8) is an unsaturated fluorinated acyclic hydrocarbon used primarily in plasma etching processes for semiconductor manufacturing. It is classified under this tariff 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:
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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
• >- Verify the product is a separate chemically defined compound
• If used in semiconductor manufacturing, check for any applicable regulations
• Provide safety data sheets to the CBSA
Related Products under Tariff item 2903.59.00
1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans)
>- 1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans) is a trans isomer of decafluoropentene used as a heat transfer fluid and dielectric gas. It is an unsaturated fluorinated acyclic hydrocarbon, classified under this tariff item.
1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene
>- 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene is a fluorinated alkene, specifically an unsaturated fluorinated derivative of acyclic hydrocarbons. It is a separate chemically defined organic compound, which qualifies it for classification under Chapter 29. This product is used in applications such as refrigerants and foam blowing agents.
1,1,3,3,3-Pentafluoropropene
>- 1,1,3,3,3-Pentafluoropropene is an isomer of pentafluoropropene used as a building block for fluorinated surfactants and specialty chemicals. It is an unsaturated fluorinated derivative of acyclic hydrocarbons, classified under this tariff item.
1H-Pentafluoropropene (HFO-1234yf)
>- 1H-Pentafluoropropene (HFO-1234yf) is a low-GWP hydrofluoroolefin refrigerant used in automotive air conditioning systems as a replacement for HFC-134a. It is an unsaturated fluorinated derivative of acyclic hydrocarbons, classified under this tariff item.
2H-Heptafluoropropene
>- 2H-Heptafluoropropene is a monomer used for fluorinated acrylic polymers. It is an unsaturated hydrofluorocarbon derivative of acyclic hydrocarbons, classified under this tariff item.
Heptafluoropentene
>- Heptafluoropentene is used as a deposition precursor in chemical vapor deposition for fluorocarbon films. It is an unsaturated fluorinated acyclic hydrocarbon, classified under this tariff item.