3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal
Also known as: β-Ionylideneacetaldehyde, 2,4-Pentadienal, 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-
3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal (CAS 1209-68-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H22O and a molecular weight of 218.33500 g/mol. Key properties include a boiling point of 329.1ºC at 760mmHg, a density of 0.948g/cm3 and a flash point of 156.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1209-68-3
- Jingsj CID
- J-931951-1
- Molecular Formula
- C15H22O
- Molecular Weight
- 218.33500 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 329.1ºC at 760mmHg |
|---|---|
| Density | 0.948g/cm3 |
| Flash Point | 156.2ºC |
| Exact Mass | 218.16700 |
| PSA | 17.07000 |
| LogP | 4.21440 |
| Vapor Pressure | 0.000182mmHg at 25°C |
| Refractive Index | 1.529 |
Customs & Trade Information
| HS Code | 2912299000 |
|---|---|
| Summary | 2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal?
The CAS number of 3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal is 1209-68-3.
What are the molecular formula and molecular weight of 3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal?
3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal has molecular formula C15H22O and molecular weight 218.33500 g/mol.
What are the upstream and downstream products of 3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal?
For 3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal, Upstream Products: β-Ionylidene ethanol, β-Cyclocitral; Downstream Products: 9-cis-Retinal, 13-cis-Retinal, all-trans-Retinal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal (CAS 1209-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-931951-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.