Oxalacetic Acid Diethyl Ester Sodium Salt Hydrate
Oxalacetic acid diethyl ester sodium salt hydrate is the hydrated form of the sodium salt, where water molecules are bound within the crystal structure. Chapter 29 Note 1(d) allows products dissolved in water, and the hydrate is treated as the same compound, so it remains classified under tariff item 2918.30.00.
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 water content is deemed to alter the chemical identity
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
• Specify the degree of hydration (e.g
• monohydrate) on the invoice, as this affects net weight and duty calculation
• Confirm the hydrate is stable under transport conditions
• Keep the certificate of analysis showing water content to support classification
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.