Paraldehyde Pharmaceutical Intermediate
High-purity paraldehyde used as an intermediate in pharmaceutical synthesis is a cyclic trimer of acetaldehyde, meeting USP-equivalent standards. It is classifiable under tariff item 2912.29.00 as a cyclic aldehyde polymer.
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 put up in measured doses or for retail sale for medicinal use
Medicaments put up in measured doses fall under heading 30.04.
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 not put up in measured doses or for retail sale, as that may shift classification to heading 30.04
• Have documentation showing it is a pure cyclic polymer for CBSA
Related Products under Tariff item 2912.29.00
2-Methylundecanal
2-Methylundecanal is a synthetic aliphatic aldehyde with a branched 11-carbon chain, used in modern fragrance compositions. It is not a cyclic aldehyde, so it does not fall under tariff item 2912.29.00; however, if considered as a cyclic polymer potential, it may be excluded. This candidate is not classifiable under this item.
3,4-Dimethylbenzaldehyde
3,4-Dimethylbenzaldehyde is a cyclic aldehyde with the chemical formula C9H10O, featuring a benzene ring substituted with an aldehyde and two methyl groups. It is a chemically defined compound used as an intermediate, falling under tariff item 2912.29.00 as 'Other' cyclic aldehydes.
3,4-Dimethylbenzaldehyde 98% Purity
Industrial grade 3,4-dimethylbenzaldehyde at 98% purity serves as a key intermediate for synthesizing pharmaceuticals and agrochemicals. It is a cyclic aldehyde without other oxygen functions, classifiable under tariff item 2912.29.00 even with minor impurities.
3,4-Dimethylbenzaldehyde Stabilized
Stabilized 3,4-dimethylbenzaldehyde with an added antioxidant prevents polymerization during storage or transport. Per Chapter 29 Note 1(f), such stabilizers are allowed, and the product remains classifiable under tariff item 2912.29.00 as a cyclic aldehyde.
4-Terpinenal
4-Terpinenal is a cyclic aldehyde from tea tree oil with a menthane ring structure and formyl group, lacking other oxygen functions. It is categorized under tariff item 2912.29.00 for other cyclic aldehydes.
Cinnamaldehyde
Cinnamaldehyde is a cyclic aldehyde derived from cinnamon oil, featuring a benzene ring with an aldehyde group and a propenyl side chain. It is classified under tariff item 2912.29.00 as a cyclic aldehyde without other oxygen functions.