Piperonal USP Reference Standard
Official USP piperonal reference standard for assaying pharmaceutical intermediates. As a pure chemically defined heterocyclic compound, it is classified under tariff item 2932.93.00.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not specifically piperonal but another heterocyclic compound.
The 'Other' subheading covers heterocyclic compounds not named elsewhere.
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 is piperonal and not a mixture
• Declare tariff item 2932.93.00 for the reference standard
• Keep a certificate of analysis to confirm the chemical identity for CBSA
Related Products under Tariff item 2932.93.00
Bulk Piperonal Flakes
Bulk piperonal flakes in large quantities for flavor manufacturing. Piperonal is a separate chemically defined heterocyclic compound with an oxygen hetero-atom, classified under tariff item 2932.93.00.
Colored Piperonal for Safety Identification
Piperonal lightly tinted blue for safety identification in bulk handling. The addition of a colouring substance for identification purposes does not render the product particularly suitable for a specific use, so it remains classified under tariff item 2932.93.00.
Emetic-Added Piperonal for Safety
Piperonal with a trace amount of emetic added to prevent accidental ingestion. This safety addition is permitted under Chapter note 1(g) and does not change the classification, so it falls under tariff item 2932.93.00.
Perfumery Grade Heliotropin Crystals
Refined heliotropin (piperonal) crystals for fine fragrance compounding. As a separate chemically defined compound, it is classified under tariff item 2932.93.00, which specifically names piperonal.
Pharmaceutical Grade Piperonal
High-purity piperonal meeting USP/EP standards for pharmaceutical synthesis. As a separate chemically defined heterocyclic compound, it falls under tariff item 2932.93.00, which specifically names piperonal.
Piperonal 10% in DEP Solution
Piperonal diluted to 10% in diethyl phthalate (DEP) for safe transport. This solution qualifies under Chapter note 1(e) as a normal transport method, so it remains classified under tariff item 2932.93.00.