Tripropyl Trioxatriphosphinane Polymer Stabilizer from Japan
This technical grade of 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide is used in polymerization stabilization for engineering plastics production. It is classified under tariff item 2931.46.00 as the compound is specifically named in the tariff description, and the technical grade still meets the definition of a separate chemically defined compound.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the technical grade product is still a separate chemically defined compound and not a mixture with other stabilizers
• Provide documentation on the manufacturing process and purity to support classification
• If the product contains added stabilizers or anti-dusting agents, verify they do not change the classification