4-methyl-2-phenyl-2-pentenal
4-甲基-2-苯基-2-戊烯醛
Also known as: Benzeneacetaldehyde, α-(2-methylpropylidene)-, 2-Phenyl-4-methyl-2-pentenal, 2-Phenyl-4-methylpent-2-enal, 4-Methyl-2-phenylpent-2-enal, 2-Pentenal, 4-methyl-2-phenyl-, FEMA 3200, MFCD00051834, EINECS 247-869-4
4-methyl-2-phenyl-2-pentenal (CAS 26643-91-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14O and a molecular weight of 174.23900 g/mol. It is also known as Benzeneacetaldehyde, α-(2-methylpropylidene)-, 2-Phenyl-4-methyl-2-pentenal and 2-Phenyl-4-methylpent-2-enal. Key properties include a boiling point of 96 °C0.7 mm Hg(lit.), a density of 0.983 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26643-91-4
- Jingsj CID
- J-11144-1
- Molecular Formula
- C12H14O
- Chinese Name
- 4-甲基-2-苯基-2-戊烯醛
- Molecular Weight
- 174.23900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 96 °C0.7 mm Hg(lit.) |
|---|---|
| Density | 0.983 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-methyl-2-phenyl-2-pentenal?
The CAS number of 4-methyl-2-phenyl-2-pentenal is 26643-91-4.
What are the molecular formula and molecular weight of 4-methyl-2-phenyl-2-pentenal?
4-methyl-2-phenyl-2-pentenal has molecular formula C12H14O and molecular weight 174.23900 g/mol.
Is 4-methyl-2-phenyl-2-pentenal hazardous?
4-methyl-2-phenyl-2-pentenal has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-methyl-2-phenyl-2-pentenal (CAS 26643-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11144-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.