Potassium Permanganate Crystals from China
Potassium permanganate (KMnO4) is a dark purple crystalline compound used as an oxidizing agent in water treatment and chemical labs. It falls under HTS 2841.69.00.90 as a permanganate salt of a metal (potassium), specifically classified among other manganates and permanganates not elsewhere specified. This chemically defined inorganic salt meets Chapter 28 criteria for metal salts of oxometallic acids.
Duty Rate — China → United States
40%
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 'chemically defined' status per Chapter 28 Note 1; ensure MSDS and proper UN hazmat labeling as oxidizer (Class 5.1); avoid misclassification as disinfectant preparations under 3808