HCFC-124 High-Purity Research Chemical from Japan
99.999% pure monochlorotetrafluoroethane supplied in lecture bottles for chemical research and calibration standards. Precisely matches HTS 2903.79.90.30 criteria as a separate chemically defined acyclic halogenated hydrocarbon with two different halogens.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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 NIST traceability for analytical standards; use DOT SP-12294 lecture bottle packaging; provide end-user statement for research exemption from production quotas