2-Ketobutyric Acid
2-Ketobutyric acid is an alpha-keto acid with a four-carbon chain, containing a carboxylic acid group and a ketone function at the second carbon. As a separate chemically defined organic compound with no other oxygen functions, it falls squarely within tariff item 2918.30.00, which covers carboxylic acids with ketone 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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the compound is considered a simple acyclic carboxylic acid
Other acyclic carboxylic acids with additional oxygen functions.
If the ketone function is not the primary characteristic
Residual heading for other carboxylic acids with additional oxygen functions.
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
• Confirm the product is not in a form that could be classified as a fuel or other excluded product under Chapter 29 Note 2
• Provide the CAS number and purity data
• Check if the acid is subject to any food or drug regulations if intended for pharmaceutical use
Related Products under Tariff item 2918.30.00
1-(2-Hydroxyphenyl)-1,3-butanedione
1-(2-Hydroxyphenyl)-1,3-butanedione is a 1,3-diketone with an ortho-hydroxyphenyl substituent, providing ketone and phenolic oxygen functions. It is classified under tariff item 2918.30.00 as an aromatic compound with ketone and additional oxygen functions.
2,4-Dihydroxyacetophenone
2,4-Dihydroxyacetophenone is a dihydroxy aromatic ketone with multiple oxygen functions beyond the ketone group. It is classified under tariff item 2918.30.00 as an aromatic compound with ketone and additional oxygen functions.
2,4-Dihydroxybenzophenone
2,4-Dihydroxybenzophenone is an aromatic ketone with two phenolic hydroxy groups, used as a UV absorber in sunscreens and as a polymer stabilizer. It is classified under tariff item 2918.30.00 as a carboxylic acid with ketone function, specifically an aromatic derivative with additional oxygen functions.
2-(4-Formylphenyl)acetic Acid Methyl Ester
2-(4-Formylphenyl)acetic acid methyl ester is a chemically defined aromatic compound containing both an aldehyde and an ester function. It falls under tariff item 2918.30.00 as a carboxylic acid with an aldehyde function, without other oxygen functions beyond the ester group.
2-(4-Hydroxyphenyl)-2-oxoacetic Acid
2-(4-Hydroxyphenyl)-2-oxoacetic acid is an aromatic glyoxylic acid derivative with a phenol group. It is classified under tariff item 2918.30.00 as a carboxylic acid with ketone function and additional oxygen.
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester is a chemically defined aromatic compound with a ketone function and halogen substitutions, along with an ester group. It falls under 2918.30.00 as a carboxylic acid with ketone function, without other oxygen functions beyond the ester.