HFC-143a Electronic Cleaner Gas from Japan
High-purity 1,1,1-trifluoroethane (HFC-143a) in 10 oz cans for cleaning electronics and contacts. This pure halogenated hydrocarbon is classified in HTS 2903.44.1020 as it matches the exact chemical description in the saturated fluorinated acyclic hydrocarbons subheading.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Label with Global Harmonized System (GHS) pictograms for compressed flammable gas; include Spanish SDS for US market
• Confirm <1% moisture content via GC-MS certificate to maintain Chapter 29 chemical purity status
• Monitor Montreal Protocol phase-down schedules; HFC-143a has specific global warming potential limits