HFC-143a 99.99% Semiconductor Grade from Germany
Ultra-high purity 1,1,1-trifluoroethane (HFC-143a) for semiconductor etch processes and plasma cleaning. HTS 2903.44.1020 classification applies as this pure compound is explicitly named in the fluorinated acyclic hydrocarbons subheading.
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
• Provide SEMI S2/S8 safety certification and <1 ppb metals analysis via ICP-MS
• Use stainless steel cylinders with VCR fittings; include helium leak rate certification
• TSCA Section 12(b) export notification may apply for semiconductor chemicals