Anhydrous Copper Sulfate Powder from Mexico
Anhydrous copper sulfate is a white, chemically defined powder (CuSO4) without water of crystallization. It is used as a catalyst and in analytical chemistry, and its classification under this tariff item is based on its chemical identity as a sulfate of copper, regardless of hydration state.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is clearly labelled as chemically defined CuSO4 with no added stabilizers or solvents that could shift classification
• Declare the CAS number (7758-98-7) on customs documentation to expedite CBSA processing
• Verify whether the import requires a permit under the Canadian Environmental Protection Act if used in industrial applications