Arsenic Trisulfide Powder from United States
Arsenic trisulfide (As2S3) is a chemically defined sulfide of arsenic, appearing as a yellow-orange powder used in the production of semiconductors and infrared optical materials. It falls under tariff item 2813.90.00 as an 'other' sulfide of non-metals, meeting Chapter 28 Note 1(a) criteria.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not doped for electronics, as that could affect classification
• Provide the CAS number (1303-33-9) and purity analysis for CBSA
• Check if the product requires an import permit under Canada's chemical control regulations