Ammonium Persulfate Powder from Germany
Ammonium persulfate (NH4)2S2O8 is a white crystalline powder used as an oxidizing agent in polymerization reactions for producing plastics and adhesives. It falls under HTS 2833.40.60.20 as a peroxosulfate of ammonium, chemically defined per Chapter 28 notes. This industrial chemical initiates free radical reactions in aqueous systems.
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
• Verify purity certificate to confirm 'chemically defined' status per Chapter 28 Note 1; ensure SDS and proper UN hazmat labeling as oxidizer; avoid misclassification as general sulfate under 2833.29