Ammonium Persulfate Powder from China
Ammonium persulfate ((NH4)2S2O8) is a strong oxidizing agent in granular or powder form, widely used as a radical initiator in acrylic and vinyl polymerizations. Classified under HTS 2833.40.60 as 'other' peroxosulfates per Chapter 28 notes for chemically defined persalts. It qualifies as an ammonium peroxysalt under heading provisions.
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
• Provide assay results (>98% purity) to distinguish from mixtures; label as oxidizer Class 5.1 for transport; check for REACH compliance if transshipping from EU