2853.90.90.90/Copper Phosphide (Phosphor Copper)/China

Copper Phosphide (Phosphor Copper) from China

Copper phosphide, also known as phosphor copper, is an inorganic compound containing more than 15% phosphorus by weight, used primarily as a deoxidizer and alloying additive in metallurgy. It falls under HTS 2853.90.90.90 as a phosphide explicitly included in heading 2853 per chapter notes. This chemically defined compound is imported in granular or powder form for industrial applications.

Duty Rate — China → United States

27.8%

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

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Import Tips

• Verify phosphorus content exceeds 15% to confirm classification under 2853; provide chemical analysis certificates

• Ensure proper hazardous material declarations if pyrophoric

• Avoid misclassification as copper alloys under Chapter 74