Ammonium Hypophosphite from Mexico
Ammonium hypophosphite (NH4H2PO2) is a white crystalline salt used as a reducing agent in chemical synthesis and as a polymer stabilizer. It is a phosphinate (hypophosphite) of an inorganic base, ammonium, and meets the definition of a separate chemically defined compound under Chapter 28. This tariff item covers phosphinates and phosphonates, including ammonium salts.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is pure and not mixed with other substances that could shift classification
• Declare the correct chemical name (ammonium hypophosphite) on customs documents
• Verify if any end-use restrictions apply under Canadian chemical regulations