Sodium Persulfate Crystals from Mexico
Sodium persulfate (Na2S2O8) is a white crystalline powder used as an oxidizing agent in chemical reactions, polymerization processes, and bleaching applications. It falls under HTS 2833.40.60 as a peroxosulfate (persulfate) compound classified as 'other' peroxosulfates not specified elsewhere in the subheading. This chemically defined inorganic compound meets Chapter 28 criteria for peroxosulfates.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
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 purity certificate to confirm chemical definition per Chapter 28 Note 1; ensure SDS includes peroxosulfate hazards for DOT compliance; avoid misclassification as general sulfates under 2833.29