Magnesium Sulfite Tribasic from United States
Tribasic magnesium sulfite (Mg3(SO3)2), used in pharmaceutical buffering and flame retardants. This chemically defined sulfite salt of an inorganic base falls under tariff item 2832.20.00 as an 'other sulphite'.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the stoichiometry of the compound, as different ratios may lead to different classifications
• Provide the CAS number on the import documentation to facilitate CBSA processing