High Purity Diethyl Ethylphosphonate 99.5%+ from Mexico
Ultra-high purity diethyl ethylphosphonate (99.5%+) for pharmaceutical intermediate and specialty chemical synthesis. It is the named compound of tariff item 2931.43.00, and the high purity does not affect classification as it remains a separate chemically defined compound under Chapter 29 Note 1(a).
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is not put up in measured doses or for retail sale, which could shift classification to other headings per Section VI Note 2
• Provide documentation of the purity and intended use to the CBSA
• Check if the product meets Canadian pharmaceutical input requirements for potential duty relief