Caffeic Acid from United States
Caffeic acid (3,4-dihydroxycinnamic acid) is a dihydroxy aromatic acid with a propenoic acid side chain. It is used in supplements and as an antioxidant. This product is classified under tariff item 2918.19.00 as an 'Other' carboxylic acid with alcohol function.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is not a salt or ester, as those may be classified under different subheadings
• Provide a certificate of analysis to CBSA to demonstrate the chemical identity