Battery-Grade Manganese Sulfate from China
High-purity battery-grade manganese sulfate monohydrate is used in lithium-ion battery cathode precursors like NMC (nickel-manganese-cobalt). Classified under HTS 2833.29.51.10 as a pure manganese sulfate meeting chemical definition criteria.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit purity certificates (>99.5%) to distinguish from lower-grade industrial forms
• Comply with TSCA import requirements for new chemical uses in batteries
• Monitor for Section 301 tariffs if from China; consider country-of-origin verification