Caffeic Acid
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a derivative with additional oxygen functions
Subheading 2918.29 covers other carboxylic acids with phenol function.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 2918.19.00
4-Hydroxybenzoic Acid
4-Hydroxybenzoic acid is a phenolic carboxylic acid with a hydroxyl group para to the carboxyl group on a benzene ring. It is a carboxylic acid with an alcohol function but no other oxygen function, placing it in this tariff item. It is used as a preservative and chemical intermediate.
Ammonium Mandelate
Ammonium mandelate is the ammonium salt of mandelic acid (phenylglycolic acid), an aromatic carboxylic acid with an alcohol function. Under Chapter 29 Note 5(C)(1), inorganic salts of organic acids are classified with the parent organic compound, placing it in this tariff item. It is used in biochemical research and as a pH buffer.
Benzilic Acid Methyl Ester USP Grade
Benzilic acid methyl ester, also known as methyl benzilate, is a chemically defined aromatic compound with both carboxylic acid ester and alcohol functions. It falls under this tariff item as an 'other' carboxylic acid with alcohol function, without additional oxygen functions.
Calcium Mandelate
Calcium mandelate is the calcium salt of mandelic acid, an aromatic carboxylic acid with an alcohol function. Per Chapter 29 Note 5(C)(1), metal salts of organic acids are classified with the parent acid, placing it in this tariff item. It is used in pharmaceutical and nutritional applications.
Diphenyl(hydroxy)acetic Acid Methyl Ester
Diphenyl(hydroxy)acetic acid methyl ester is another name for methyl benzilate, a key intermediate in pharmaceutical synthesis. It is an aromatic carboxylic acid ester with a hydroxyl group, fitting the description of this tariff item.
DL-Mandelic Acid Powder
DL-mandelic acid is a racemic mixture of isomers of the same organic compound, as permitted by Chapter 29 note 1(b). It is an aromatic carboxylic acid with an alcohol function, falling under this tariff item.