Aldol Cyclic Dimer Intermediate
Aldol cyclic dimer intermediate from acetaldehyde, used in flavor and fragrance synthesis. As a cyclic polymer of aldehydes, it is classifiable under 2912.50.00, provided it is a separate chemically defined compound.
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 an acyclic aldehyde rather than a cyclic polymer
Acyclic aldehydes are classified in subheading 2912.19.
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 dimer is a pure cyclic polymer and not a mixture with other aldol products
• Provide structural formula and purity data to the CBSA
• If used in food flavorings, check CFIA requirements for food additives
Related Products under Tariff item 2912.50.00
Bulk Metaldehyde for Agricultural Chemical Synthesis
Bulk metaldehyde in supersacks for industrial synthesis. Metaldehyde is a cyclic tetramer of acetaldehyde, a separate chemically defined organic compound, and falls under tariff item 2912.50.00 as a cyclic polymer of aldehydes.
Cyclical Aldehyde Resin Precursor
Specialty cyclic polymers of aldehydes (acetaldehyde/butyraldehyde tetramers) for resin production. These are cyclic polymers of aldehydes, classifiable under 2912.50.00 as chemically defined compounds.
Industrial Metaldehyde Pellets for Molluscicide Production
Pelletized metaldehyde at technical purity for molluscicide production. Despite pelleting, it remains a cyclic polymer of acetaldehyde, classifiable under 2912.50.00 as a chemically defined compound.
Metaldehyde 99% Technical Grade
Metaldehyde 99% technical grade as a molluscicide active ingredient. It is a cyclic tetramer of acetaldehyde, classifiable under 2912.50.00, and not excluded from Chapter 29 unless put up as fuel.
Metaldehyde 99% Technical Grade Powder
Metaldehyde 99% technical grade powder, a cyclic tetramer of acetaldehyde. It is a separate chemically defined organic compound, classifiable under 2912.50.00.
Metaldehyde Active Ingredient Powder
Metaldehyde active ingredient powder as pesticide technical material. It is a cyclic tetramer of acetaldehyde, classifiable under 2912.50.00, and is not excluded by Chapter 29 note 2(ij) unless put up as fuel.