Sodium Persulfate 99% Pure Flakes from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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