Industrial Grade Copper Phosphide Cu3P2 Pellets from Canada
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 — Canada → United States
2.6%
Rate breakdown
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