HCFC-124 Fire Suppressant Blend Component from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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