Potassium Persulfate Granules from China
Potassium persulfate (K2S2O8) in granular form serves as a bleaching agent in cosmetics, hair dyes, and textile processing. HTS 2833.40.60.50 covers this as 'other' peroxosulfate, being a metal peroxysalt chemically defined per Chapter 28. Distinguished from general sulfates by active oxygen content.
Duty Rate — China → United States
40.6%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include CAS# 7727-21-1 and active oxygen assay (>5.9%) on invoice to validate peroxosulfate status
• For cosmetic use, ensure REACH/ TSCA pre-registration; segregate from flammables due to strong oxidizer reactivity