Sodium Phosphite from China
Sodium phosphite (Na2HPO3) is a reducing agent and antioxidant used in water treatment and polymer production. It is a phosphonate (phosphite) of sodium, an inorganic base, and qualifies as a separate chemically defined compound under Chapter 28. This tariff item covers phosphonates, including sodium salts.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is pure and not mixed with other additives
• Provide a safety data sheet (SDS) for handling
• Check if the product is subject to Canadian environmental regulations for water treatment chemicals