Ammonium 12-Tungstophosphate from China
Ammonium 12-tungstophosphate is a heteropolyacid salt used as an industrial catalyst. As a complex tungstate of ammonium, it falls under tariff item 2841.80.00. The product is a chemically defined compound.
Duty Rate — China → Canada
0%
Import Tips
• Provide the exact chemical formula and catalytic application
• Ensure the product is not classified as a phosphotungstate, which may be classified elsewhere
• Verify compliance with Canadian chemical regulations