Research Grade Piperonal
Research grade piperonal is ultra-pure piperonal (99.9%) packaged in small quantities for laboratory synthesis of organic compounds. As a separate chemically defined heterocyclic compound under Chapter 29 Note 1(a), it is classified in 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 pure piperonal but contains other compounds
Other heterocyclic compounds with oxygen hetero-atoms may apply if not specifically named.
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 pure piperonal with no additives or solvents that could change classification
• Declare the product as research grade piperonal under tariff item 2932.93.00
• Keep the certificate of analysis showing 99.9% purity for CBSA
Related Products under Tariff item 2932.93.00
Bulk Piperonal Flakes
Bulk piperonal flakes are large-quantity supplies of the chemical compound piperonal, presented in flake form for efficient melting and compounding in flavour manufacturing. Piperonal is a separate chemically defined heterocyclic compound with an oxygen hetero-atom, specifically named in tariff item 2932.93.00.
Colored Piperonal for Safety Identification
Colored piperonal is piperonal lightly tinted blue for safety identification in bulk chemical handling. Under Chapter 29 Note 1(g), the addition of a colouring substance to facilitate identification is permitted without changing classification, provided it does not make the product suitable for a specific use rather than general use.
Emetic-Added Piperonal for Safety
Emetic-added piperonal contains a trace amount of denatonium benzoate or similar emetic to prevent accidental ingestion in industrial settings. Chapter 29 Note 1(g) allows the addition of an emetic for safety reasons without affecting classification, as long as the product remains suitable for general use.
Perfumery Grade Heliotropin Crystals
Perfumery grade heliotropin crystals are refined piperonal optimized for fine fragrance compounding, offering superior stability and scent profile. As a separate chemically defined compound named in tariff item 2932.93.00, it qualifies under Chapter 29 Note 1(a).
Pharmaceutical Grade Piperonal
Pharmaceutical grade piperonal is high-purity piperonal meeting USP/EP standards for use as an intermediate in synthesizing pharmaceuticals. This separate chemically defined heterocyclic compound is specifically named in tariff item 2932.93.00 and qualifies under Chapter 29 Note 1(a).
Piperonal 10% in DEP Solution
Piperonal 10% in DEP solution is piperonal diluted in diethyl phthalate strictly for safe transport of this volatile compound. Under Chapter 29 Note 1(e), solutions in other solvents are classifiable in this chapter if the solvent is a normal and necessary method of putting up the product for safety or transport and does not make it suitable for a specific use.