Detergent Builder Sodium Tripolyphosphate Flakes from China
Flaked sodium tripolyphosphate (STPP) used as a builder in powdered laundry detergents to chelate calcium and magnesium ions. It is a separate chemically defined compound of sodium triphosphate, meeting the criteria of Chapter 28 Note 1. It falls under tariff item 2835.31.00 as sodium triphosphate (sodium tripolyphosphate).
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is pure sodium triphosphate without organic additives to qualify under Chapter 28
• Declare the correct 8-digit code 2835.31.00.00 on your customs documentation
• Keep supplier certificates of analysis to verify chemical identity if requested by CBSA