Potassium Persulfate Granules from Canada
Potassium persulfate (K2S2O8) granules serve as an etchant in microelectronics and a bleaching agent in textiles. This peroxosulfate falls under HTS 2833.40.60 as 'other' within the persulfates subheading, meeting inorganic compound definitions of Chapter 28. It's distinguished from sodium or ammonium variants by potassium base.
Duty Rate — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include CAS 7727-21-1 on labeling for customs verification; test for heavy metal contaminants per EPA rules; use child-resistant packaging if >98% concentration