Potassium Perborate from China
Potassium perborate is a less common alkali metal peroxoborate used in specialized bleaching and disinfection formulations due to its solubility properties. It qualifies for HTS 2840.30.00 as a peroxoborate salt of potassium, an inorganic base per Chapter 28 notes.
Duty Rate — China → United States
41.2%
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
• Confirm CAS number (1949-21-1 or equivalent) matches import declaration; ensure proper UN packaging for Class 5.1 oxidizers; monitor EU REACH for transatlantic supply chains