Tetrasodium Pyrophosphate from Mexico
Tetrasodium pyrophosphate (Na4P2O7) is a polyphosphate used as a dispersant and detergent builder. Although it has four sodium atoms, it is classified under tariff item 2835.22.00 as a polyphosphate of disodium, as the subheading covers polyphosphates of mono- or disodium.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide chemical analysis showing it's a polyphosphate of sodium to support classification
• For industrial use, check if other regulations apply
• Keep packaging sealed to prevent moisture absorption, which can affect weight