Aluminum Sulfate Octadecahydrate from Mexico
Aluminum sulfate octadecahydrate (Al2(SO4)3·18H2O) is a chemically defined hydrate of aluminum sulfate, used as a coagulant in water purification. Hydrates of inorganic compounds are covered by Chapter 28 Note 1(a) and (b), and the aluminum sulfate core places it under tariff item 2833.22.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the exact hydrate form and water content, as this affects the weight-based duty calculation
• Keep documentation showing the product is a single chemically defined compound
• Check if the hydrate is stable for transport; if it requires a stabilizer, ensure it does not alter classification