Diethyl Phosphite Flame Retardant Intermediate from Mexico
Diethyl phosphite used as an intermediate for synthesizing phosphorus-based flame retardants is a separate chemically defined compound. Its end use does not affect classification under heading 29.20, which covers phosphite esters by chemical identity.
Duty Rate — Mexico → Canada
0%
Import Tips
• Do not classify based on end use; the chemical identity determines the tariff item
• Provide a technical datasheet showing the product is diethyl phosphite
• Verify that the flame retardant end product is not regulated under other Canadian statutes