Metrizoic Acid Technical Grade from Mexico
Technical grade metrizoic acid is used in industrial synthesis of iodinated contrast media for CT scans. It is a separate chemically defined aromatic cyclic amide compound, classified under tariff item 2924.29.00. Minor impurities are permitted under chapter note 1(a) as long as the product retains its chemical definition.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document the purity level and impurity profile to demonstrate the product is a separate chemically defined compound
• Ensure the technical grade designation does not imply additional functional additives that could change classification
• Keep records of the industrial synthesis use for CBSA verification