Anhydrous Cobalt Sulfate from China
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 — China → United States
26.4%
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
• 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