Cobalt(II) Oxide (CoO) from China
Cobalt(II) oxide is a chemically defined inorganic compound of cobalt used primarily as a precursor in ceramics and glass coloring. It falls under HTS 2822.00.00.90 as a commercial cobalt oxide, distinct from pure cobalt(II,III) oxide, meeting Chapter 28 definitions for inorganic metal oxides.
Duty Rate — China → United States
25.1%
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
• Verify purity and chemical definition per Chapter 28 Note 1 to avoid misclassification as mixtures
• Include Safety Data Sheets (SDS) and Certificates of Analysis for customs clearance
• Ensure proper UN hazard labeling as it may be toxic; common pitfall is incomplete hazmat documentation