2,5-Diethyl-3,4-diphenylcyclopentadienone
2,5-二乙基-3,4-二苯基环戊二烯酮
Also known as: 2,5-Diethyl-3,4-diphenyl-2,4-cyclopentadien-1-one, 2,5-Diethyl-3,4-diphenylcyclopenta-2,4-dien-1-one, 2,5-Diethyl-3,4-diphenyl-cyclopentadienone, 2,5-Diaethyl-3,4-diphenyl-cyclopentadienon, EINECS 257-523-4, MFCD00013748
2,5-Diethyl-3,4-diphenylcyclopentadienone (CAS 51932-77-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H20O and a molecular weight of 288.38300 g/mol. It is also known as 2,5-Diethyl-3,4-diphenyl-2,4-cyclopentadien-1-one, 2,5-Diethyl-3,4-diphenylcyclopenta-2,4-dien-1-one and 2,5-Diethyl-3,4-diphenyl-cyclopentadienone. Key properties include a melting point of 102-103ºC, a boiling point of 447.8ºC at 760 mmHg, a density of 1.078g/cm3 and a flash point of 195.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51932-77-5
- Jingsj CID
- J-17773-5
- Molecular Formula
- C21H20O
- Chinese Name
- 2,5-二乙基-3,4-二苯基环戊二烯酮
- Molecular Weight
- 288.38300 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 102-103ºC |
|---|---|
| Boiling Point | 447.8ºC at 760 mmHg |
| Density | 1.078g/cm3 |
| Flash Point | 195.6ºC |
Frequently Asked Questions
What is the CAS number of 2,5-Diethyl-3,4-diphenylcyclopentadienone?
The CAS number of 2,5-Diethyl-3,4-diphenylcyclopentadienone is 51932-77-5.
What are the molecular formula and molecular weight of 2,5-Diethyl-3,4-diphenylcyclopentadienone?
2,5-Diethyl-3,4-diphenylcyclopentadienone has molecular formula C21H20O and molecular weight 288.38300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Diethyl-3,4-diphenylcyclopentadienone (CAS 51932-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17773-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.