Perfluoropentene (C5F10) from Germany
Perfluoropentene serves as a specialty gas for plasma cleaning and etching in microelectronics fabrication. Falls under HTS 2903.59.90.00 as an unsaturated fluorinated acyclic hydrocarbon per Chapter 29 note (a). Its complete perfluorination excludes it from partially halogenated hydrocarbon classifications.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Submit REACH or TSCA pre-manufacture notices if not previously registered in US
• Verify cylinder requalification dates per DOT 49 CFR 173.302 for compressed gases
• Include end-use statements certifying semiconductor manufacturing application