Synthetic Phosphorus Trisulfide Crystals from Canada
Laboratory-synthesized P4S3 crystals for research in inorganic chemistry. Still classified under HTS 2813.90.20.00 as chemically defined nonmetal sulfide.
Duty Rate — Canada → United States
10%
Rate breakdown
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
• Include synthesis method documentation; small quantities may qualify for lab exemptions