3-Ethyl-2,4-pentanedione
3-乙基-2,4-戊二酮
Also known as: 3-Acetylpentan-2-one, 3-Acetyl-2-pentanone, 3-ethylpentane-2,4-dione, 3-Ethyl-4-hydroxypent-3-en-2-one, EINECS 216-272-0, MFCD00008764
3-Ethyl-2,4-pentanedione (CAS 1540-34-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.16900 g/mol. It is also known as 3-Acetylpentan-2-one, 3-Acetyl-2-pentanone and 3-ethylpentane-2,4-dione. Key properties include a boiling point of 80-81 °C20 mm Hg(lit.), a density of 0.953 g/mL at 25 °C(lit.) and a flash point of 152 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1540-34-7
- Jingsj CID
- J-47345-3
- Molecular Formula
- C7H12O2
- Chinese Name
- 3-乙基-2,4-戊二酮
- Molecular Weight
- 128.16900 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 80-81 °C20 mm Hg(lit.) |
|---|---|
| Density | 0.953 g/mL at 25 °C(lit.) |
| Flash Point | 152 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3-Ethyl-2,4-pentanedione?
The CAS number of 3-Ethyl-2,4-pentanedione is 1540-34-7.
What are the molecular formula and molecular weight of 3-Ethyl-2,4-pentanedione?
3-Ethyl-2,4-pentanedione has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.
Is 3-Ethyl-2,4-pentanedione hazardous?
3-Ethyl-2,4-pentanedione 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. "3-Ethyl-2,4-pentanedione (CAS 1540-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47345-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.