Sodium Persulfate Crystals from Mexico
Sodium persulfate (Na2S2O8) in crystalline form is a strong oxidizing agent used in chemical synthesis and polymerization processes. It falls under HTS 2833.40.20.00 as a peroxosulfate of sodium, chemically defined per Chapter 28 notes. Primarily imported for industrial applications like etching and bleaching.
Duty Rate — Mexico → United States
13.7%
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 certificates to confirm chemical definition under Chapter 28 Note 1; ensure SDS complies with HAZMAT regulations for oxidizers; avoid misclassification as general sulfates in 2833.19