Industrial Grade Copper Phosphide Cu3P2 Pellets from China
Cu3P2 (copper diphosphide) pellets with stoichiometry yielding >15% phosphorus by weight, used in chemical synthesis and as phosphorus source in high-performance alloys. Directly matches HTS 2853.90.10.00 for chemically defined copper phosphides per heading 2853 and subheading specificity. High purity for semiconductor doping precursors.
Duty Rate — China → United States
27.6%
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
• Classify with chemical formula and purity certificate; TSCA registration required for new chemical substances
• Pitfall: misdeclaration as semiconductor material leading to 3818