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
9903.03.0110%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
• Include COA for purity to avoid reclassification; store in cool, dry conditions per import manifests; declare exact CAS 7775-27-1 for tracking