Potassium Persulfate Granules from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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