Pharmaceutical Grade Barbituric Acid Powder
High-purity barbituric acid powder (≥99%) manufactured specifically for use in API synthesis of barbiturate sedatives and anticonvulsants. Meets USP/EP pharmacopeia standards and is classifiable under tariff item 2933.52.00 as malonylurea.
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 barbiturate derivative
Derivatives like phenobarbital 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
• Ensure the product meets pharmacopeia standards and is pure barbituric acid
• Provide a certificate of analysis
• Check if Health Canada requires a drug establishment license for the intended use
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.