2H-Heptafluoropropene from Mexico
2H-Heptafluoropropene serves as monomer for fluorinated acrylic polymers. Classified under HTS 2903.59.90.00 as unsaturated hydrofluorocarbon derivative. Distinguished from perfluorocarbons by strategic hydrogen placement.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include hydroquinone inhibitor concentration documentation
• Verify TBAN distillation specifications for monomer purity
• Maintain inhibitor effectiveness through <40°C storage