Cobalt Ammonium Sulfate from Japan
Cobalt ammonium sulfate (CoSO4·(NH4)2SO4·6H2O) is a double salt of cobalt and ammonium sulfate used in analytical labs and plating. As a double salt, it is classified under heading 28.42 per Chapter Note 5, but as a sulfate of cobalt, it falls under tariff item 2833.29.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the chemical composition and whether the product is a double salt
• If it is a double salt, it may fall under heading 28.42 instead; consult the CBSA for classification advice
• Provide the chemical formula on the commercial invoice