Anhydrous Cobalt Sulfate from Japan
Anhydrous cobalt(II) sulfate (CoSO4) is a white crystalline powder used in catalyst production and analytical chemistry. It qualifies for HTS 2833.29.10.00 as the water-free sulfate of cobalt.
Duty Rate — Japan → United States
1.4%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide assay results (>98% purity) to distinguish from hydrates or impurities affecting classification
• Declare as 'chemically defined' per Chapter 28 Note 1 to prevent fallback to preparations heading
• Monitor cobalt content for CITES-like export controls from source countries