Tripropyl Phosphorothioate Flame Retardant Intermediate from China
This high-purity grade of 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide is used as an intermediate in synthesizing phosphorus-based flame retardants for plastics. It is classified under tariff item 2931.46.00 because the compound is explicitly named in the tariff description, and its use as an intermediate does not affect classification.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product is the exact compound named in the tariff item and not a derivative or salt
• Provide a certificate of analysis showing purity levels to support classification
• Be aware that if the product is further processed into a flame retardant, the final product may fall under a different heading