Cobalt Sulfate Heptahydrate Powder from China
Cobalt sulfate heptahydrate (CoSO4·7H2O) red powder is essential for battery production and pigments, fitting HTS 2833.29.51.90 for other sulfates. Pure compound status per Chapter 28 excludes from mixtures.
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Comply with critical minerals reporting for battery supply chain
• Test for cobalt content purity >20% with ICP analysis
• Avoid co-import with lithium salts to prevent mixture classification