mCPBA 77% with 23% Water Stabilizer from Mexico
This stabilized formulation contains 77% m-chloroperoxybenzoic acid with 23% water as per chapter note (d), preventing explosive decomposition. Used in industrial epoxidation processes, it remains classified under HTS 2916.39.04.00 as the water dissolution is solely for safety/transport.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare water content precisely; excess water (>23%) may reclassify as solution under 3824
• Maintain 5-10°C shipping temperature with data loggers for stability verification
• Label as 'peroxyacids, stabilized' per UN packaging instructions