Potassium Dithionite from Japan
> Potassium dithionite is a strong reducing agent used in chemical synthesis and wastewater treatment. As a chemically defined inorganic salt of dithionite, it is classified under tariff item 2831.90.00 for other dithionites. It is not organically stabilized and meets Chapter 28 Note 1 criteria.
Duty Rate — Japan → Canada
0%
Import Tips
• > Confirm the product is free of organic stabilizers; if stabilized with organic substances, it still falls under 28.31 but verify the specific tariff item
• Keep certificates of analysis to prove chemical purity for CBSA classification
• Check if the product is subject to export controls from the country of origin