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4-Hydroxyphenylpyruvic Acid

4-Hydroxyphenylpyruvic acid is a keto acid with an aromatic ring, a hydroxy group, a carboxylic acid, and a ketone function. It is a separate chemically defined compound, and while it has a hydroxy group, the ketone and carboxylic acid functions are the defining features, placing it in tariff item 2918.30.00.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2918.29.00Same rate: Free

If the hydroxy group is considered the primary additional oxygen function

Other carboxylic acids with additional oxygen functions, including phenolic acids.

2918.99.00Same rate: Free

If the compound is not a separate chemically defined product

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 classified as a phenolic compound under another heading, as the hydroxy group could be considered an additional oxygen function

• Provide the CAS number and purity data

• Check if the product is used in pharmaceutical applications requiring Health Canada approval

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.