Commercial Phosphorus Trisulfide Powder from United States
Commercial phosphorus trisulfide (P4S3) is a red to yellow crystalline powder used primarily in the manufacture of safety match striking surfaces and as a reagent in organic synthesis. It is classified under tariff item 2813.90.00 as an 'other' sulfide of a non-metal, specifically commercial phosphorus trisulfide.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is clearly labeled as commercial phosphorus trisulfide (P4S3) to avoid misclassification
• Verify the purity and physical form (powder) matches the commercial grade description
• Check if the product requires any import permits under Canada's chemical controls, as P4S3 may be regulated