Cobalt Sulfate Heptahydrate Powder from Mexico
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 — Mexico → United States
3.7%
Rate breakdown
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
• 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