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Perfluoro-1-butene from China

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 — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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

Perfluoro-1-butene from China — Import Duty Rate | HTS 2903.59.90.00