Ammonium Dithionite Solution from China
> Ammonium dithionite in aqueous solution acts as a reducing bleach for textiles and paper. As a chemically defined inorganic compound of dithionite, it falls under tariff item 2831.90.00 for other dithionites and sulphoxylates. The aqueous solution is a normal method of putting up for safety and transport, consistent with Chapter 28 Note 1.
Duty Rate — China → Canada
0%
Import Tips
• > Ensure the solution concentration and stabilizers are documented, as added organic stabilizers could shift classification to heading 28.31 only if permitted
• Provide a safety data sheet (SDS) to the CBSA to confirm the product is for industrial use
• Verify if the solution requires a transport permit under Canadian dangerous goods regulations