Diethyl Ethylphosphonate 98% Technical Grade from United States
Technical grade diethyl ethylphosphonate at 98% purity, used in industrial synthesis of organophosphorus compounds and as a flame retardant additive precursor. As the named compound of tariff item 2931.43.00, it is classified here regardless of purity, provided it is a separate chemically defined compound per Chapter 29 Note 1(a).
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a separate chemically defined compound with no added substances that alter its general use
• Provide a certificate of analysis showing 98% purity and the absence of impurities that could change classification
• Declare the intended industrial use to the CBSA for accurate assessment