Sodium Persulfate Crystals from China
Sodium persulfate (Na2S2O8) is a white crystalline powder used as an oxidizing agent in chemical reactions, polymerization processes, and bleaching applications. It falls under HTS 2833.40.60 as a peroxosulfate (persulfate) compound classified as 'other' peroxosulfates not specified elsewhere in the subheading. This chemically defined inorganic compound meets Chapter 28 criteria for peroxosulfates.
Duty Rate — China → United States
38.1%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify purity certificate to confirm chemical definition per Chapter 28 Note 1; ensure SDS includes peroxosulfate hazards for DOT compliance; avoid misclassification as general sulfates under 2833.29