HFC-365mfc (1,1,1,3,3-Pentafluorobutane) Technical Grade
This is the pure, chemically defined compound 1,1,1,3,3-pentafluorobutane (HFC-365mfc), a saturated fluorinated acyclic hydrocarbon. It is used as a blowing agent and specialty solvent, and its technical grade purity does not affect classification under the named 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:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product contains impurities or isomers not covered by the named compound.
Other saturated fluorinated derivatives of acyclic hydrocarbons not specifically named fall under this residual item.
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
• Provide a certificate of analysis to CBSA to confirm the product is the named compound
• Check if the product requires an import permit under Canada's Ozone-depleting Substances Regulations
• Classify as a chemical, not a finished product, to avoid misclassification
Related Products under Tariff item 2903.48.00
HFC-365mfc Blowing Agent Cylinder
HFC-365mfc (1,1,1,3,3-pentafluorobutane) is a saturated fluorinated acyclic hydrocarbon, a separate chemically defined organic compound. It is packaged in steel cylinders for use as a physical blowing agent in rigid foam production, which does not alter its classification under this tariff item.
HFC-365mfc with Transport Stabilizer
HFC-365mfc with a minimal nitrile stabilizer (<0.1%) added solely for transport stability is still classified under this tariff item. Chapter 29 Note 1(f) permits added stabilizers necessary for preservation or transport, provided they do not make the product suitable for a specific use.
HFC-43-10mee (1,1,1,2,2,3,4,5,5,5-Decafluoropentane) Electronic Grade
HFC-43-10mee (1,1,1,2,2,3,4,5,5,5-decafluoropentane) is a saturated fluorinated acyclic hydrocarbon, a separate chemically defined compound. Its electronic grade purity for precision cleaning does not change its classification under this named tariff item.
HFC-43-10mee Heat Transfer Fluid Grade
HFC-43-10mee purified for use as a dielectric heat transfer fluid is the named compound 1,1,1,2,2,3,4,5,5,5-decafluoropentane. End use as a heat transfer fluid does not affect classification, as the product is the chemically defined compound listed in this tariff item.
HFC-43-10mee Precision Cleaning Solvent
High-purity HFC-43-10mee for vapor degreasing is the named compound 1,1,1,2,2,3,4,5,5,5-decafluoropentane. Its use as a precision cleaning solvent does not alter classification, as it is the chemically defined compound listed in this tariff item.
Vertrel LFE (HFC-43-10mee Base) Pure Compound
Vertrel LFE, when supplied as the pure HFC-43-10mee compound before azeotrope formation, is the named compound 1,1,1,2,2,3,4,5,5,5-decafluoropentane. The trade name does not affect classification, as the product is the chemically defined compound listed in this tariff item.