Perfluorobutyric Acid Methyl Ester from Mexico
Perfluorobutyric acid methyl ester is the methyl ester of perfluorobutanoic acid, with the formula C3F7COOCH3. The acyclic chain remains fully fluorinated, and the ester is classified as a perhalogenated derivative under tariff item 2903.78.00. It is used as a fluorinated building block in organic synthesis.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify that the esterification does not affect the perhalogenated status of the hydrocarbon chain
• Provide the chemical structure and purity data to CBSA
• Check if the ester is listed under any Canadian substance inventory restrictions