Pentafluoropropene (C3F6) from Mexico
Pentafluoropropene functions as an etching gas in semiconductor manufacturing and as a reactive intermediate. It meets HTS 2903.59.90.00 criteria as an 'other' unsaturated fluorinated acyclic hydrocarbon. Excluded from colorants, enzymes, or fuels per Chapter 29 exclusion notes.
Duty Rate — Mexico → 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 SEMI-standard gas purity certificates (Grade 5.0+ required)
• Verify compatibility of cylinder valve materials with fluorinated gases
• Maintain temperature control below 50°C during transport to prevent decomposition