Perfluoro-1-butene from Canada
Perfluoro-1-butene is a fully fluorinated C4 alkene used in chemical synthesis and as a reactive intermediate for fluoropolymer production. Classified under HTS 2903.59.90.00 as an 'other' unsaturated fluorinated derivative of acyclic hydrocarbons per Chapter 29 scope. Its complete fluorination distinguishes it from partially halogenated hydrocarbons.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include NMR or GC-MS analysis certificates verifying unsaturated fluorocarbon structure
• Comply with Montreal Protocol reporting for ozone-depleting potential assessment
• Use UN-approved cylinders rated for high-pressure fluorinated gases to avoid common transport violations