HCFC-124 Fire Suppressant Blend Component from Japan
High-purity HCFC-124 used as a key ingredient in clean agent fire suppression systems for data centers and electrical rooms. As a separate chemically defined compound under Chapter 29 note (a), it matches HTS 2903.79.90.30 for monochlorotetrafluoroethane with two different halogens (Cl and F).
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify compliance with NFPA 2001 and FM 4-2-1 standards; provide lab analysis confirming 99.9%+ purity; ensure cylinder valves meet CGA 600 specs for fluorocarbon service