Diethyl Phosphite 98% Technical Grade from China
Technical grade diethyl phosphite at 98% purity is a separate chemically defined compound, even with minor impurities. It is used in industrial synthesis of herbicides like glyphosate intermediates and falls under heading 29.20 as a phosphite ester.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the 98% purity meets the definition of a separate chemically defined compound; impurities must not alter its general use
• Include the CAS number and purity on the customs declaration
• Check if the product requires a permit under the Canadian Environmental Protection Act