Triphenyl phosphorothioate from United States
Triphenyl phosphorothioate is a trisubstituted aromatic thiophosphoric ester used as a flame retardant additive and lubricant extreme pressure agent. As a separate chemically defined compound, it falls under this tariff item for other thiophosphoric esters.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound
• Provide the chemical structure and purity data to CBSA
• Check if the flame retardant use requires any environmental regulations