Strontium Peroxide from Mexico
Strontium peroxide (SrO2) is an inorganic peroxide used as a bleaching agent and in pyrotechnic compositions. It is specifically covered under HTS 2816.40.10.00 for peroxides of strontium as per the heading description in Chapter 28.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Classify as UN 1509 hazardous material; require proper oxidizing agent labeling and segregation during shipping
• Submit detailed chemical specs to CBP to distinguish from organic peroxides in Chapter 29
• Monitor moisture content; hydrated forms may need verification to remain under anhydrous peroxide classification