Penta-3,4-dien-2-one
3,4-戊二烯-2-酮
Also known as: 1,2-Pentadien-4-one, 1,2-Pentadiene-4-one, Acetylallene, Allenyl methyl ketone, Penta-3,4-dien-2-one, 3,4-Pentadien-2-one, penta-3,4-diene-2-one
Penta-3,4-dien-2-one (CAS 2200-53-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O and a molecular weight of 82.10050 g/mol. It is also known as 1,2-Pentadien-4-one, 1,2-Pentadiene-4-one and Acetylallene. Key properties include a boiling point of 126ºC, a density of 0.805 and a flash point of 26ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2200-53-5
- Jingsj CID
- J-1497625-4
- Molecular Formula
- C5H6O
- Chinese Name
- 3,4-戊二烯-2-酮
- Molecular Weight
- 82.10050 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 126ºC |
|---|---|
| Density | 0.805 |
| Flash Point | 26ºC |
Frequently Asked Questions
What is the CAS number of Penta-3,4-dien-2-one?
The CAS number of Penta-3,4-dien-2-one is 2200-53-5.
What are the molecular formula and molecular weight of Penta-3,4-dien-2-one?
Penta-3,4-dien-2-one has molecular formula C5H6O and molecular weight 82.10050 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Penta-3,4-dien-2-one (CAS 2200-53-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497625-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.