Research Quantity Barbituric Acid
Small quantity barbituric acid packaged for research institutions and university laboratories. Despite small packaging, it qualifies as a separate chemically defined compound under tariff item 2933.52.00, not a retail consumer product.
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 product is a substituted barbiturate
Substituted barbiturates are classified under other pyrimidine compounds.
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
• Classify as malonylurea under 2933.52.00; ensure it is not put up for retail sale
• Provide a certificate of analysis
• Verify if a controlled substances permit is needed for research quantities
Related Products under Tariff item 2933.52.00
5,5-Diethylbarbituric Acid Intermediate
Pure barbituric acid used as an intermediate for synthesizing 5,5-diethylbarbituric acid (barbital). It is a separate chemically defined organic compound with a pyrimidine ring, falling under tariff item 2933.52.00 as malonylurea (barbituric acid) and its salts.
Barbituric Acid
Barbituric acid (malonylurea) is a heterocyclic compound with a pyrimidine ring, serving as the core scaffold for barbiturate pharmaceuticals. It is a separate chemically defined organic compound, classifiable under tariff item 2933.52.00.
Barbituric Acid Aqueous Solution
Barbituric acid dissolved in water, as permitted by Chapter 29 note (d). The aqueous solution is a normal method of putting up for safety or transport, and the solvent does not render it suitable for specific use, so it remains classifiable under tariff item 2933.52.00.
Barbituric Acid (pure)
Malonylurea, also known as barbituric acid, is the parent pyrimidine heterocyclic compound. It is directly classifiable under tariff item 2933.52.00 as the base compound and its salts, per the tariff description.
Barbituric Acid Technical Grade
Technical grade malonylurea (90-95% purity) for industrial synthesis of pharmaceutical intermediates and agrochemicals. Despite lower purity, it qualifies as a separate chemically defined compound under Chapter 29 note (a), classifiable under tariff item 2933.52.00.
Barbituric Acid with Stabilizer
Barbituric acid containing an added stabilizer necessary for preservation during transport, as permitted by Chapter 29 note (f). The stabilizer does not render it suitable for specific use, so it remains classifiable under tariff item 2933.52.00.