Sodium Persulfate 99% Pure Flakes from Mexico
High-purity sodium persulfate flakes (99% Na2S2O8) for laboratory and semiconductor etching. Meets Chapter 28 chemical definition for peroxosulfates of sodium, hence HTS 2833.40.20.00. Stable white flakes with strong oxidizing properties.
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
• Include COA for purity to avoid reclassification; store in cool, dry conditions per import manifests; declare exact CAS 7775-27-1 for tracking