3-Methyl-2,4-pentanedione
3-甲基-2,4-戊二酮
Also known as: 1,1-Diacetylethane, Methylacetylacetone, 3-Acetyl-2-butanone, 3-Acetylbutan-2-one, 3-Methylpentane-2,4-dione, 2,4-Pentanedione, 3-methyl-, NSC 15756
3-Methyl-2,4-pentanedione (CAS 815-57-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.14200 g/mol. It is also known as 1,1-Diacetylethane, Methylacetylacetone and 3-Acetyl-2-butanone. Key properties include a melting point of 190 - 191ºC, a boiling point of 172-174 °C(lit.), a density of 0.981 g/mL at 25 °C(lit.) and a flash point of 134 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 815-57-6
- Jingsj CID
- J-45516-1
- Molecular Formula
- C6H10O2
- Chinese Name
- 3-甲基-2,4-戊二酮
- Molecular Weight
- 114.14200 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 190 - 191ºC |
|---|---|
| Boiling Point | 172-174 °C(lit.) |
| Density | 0.981 g/mL at 25 °C(lit.) |
| Flash Point | 134 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3-Methyl-2,4-pentanedione?
The CAS number of 3-Methyl-2,4-pentanedione is 815-57-6.
What are the molecular formula and molecular weight of 3-Methyl-2,4-pentanedione?
3-Methyl-2,4-pentanedione has molecular formula C6H10O2 and molecular weight 114.14200 g/mol.
Is 3-Methyl-2,4-pentanedione hazardous?
3-Methyl-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-Methyl-2,4-pentanedione (CAS 815-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45516-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.