Triphenylarsine from Canada
Triphenylarsine (AsPh3) features three phenyl groups directly bound to arsenic, qualifying as organo-inorganic under Chapter 29 notes. Classified in HTS 2931.90.90.40 as other such compounds beyond specific subheadings. Serves as ligand in organometallic catalysis and organic synthesis.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare as research chemical with CAS number 603-32-7; ensure ventilated packaging to prevent sublimation
• Confirm no halide impurities to stay in 2931 vs. 2903