2-Pentanone, 3-hydroxy-
3-羟基-2-戊酮
Also known as: 3-Hydroxy-2-pentanone, 3-hydroxypentan-2-one, Acetyl ethyl carbinol, 1-Acetyl-1-propanol, 1-Hydroxypropyl methyl ketone, 2-Pentanon-3-ol, acetopropanol, acetyl-propanol
2-Pentanone, 3-hydroxy- (CAS 3142-66-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. It is also known as 3-Hydroxy-2-pentanone, 3-hydroxypentan-2-one and Acetyl ethyl carbinol. Key properties include a melting point of 2.5°C (estimate), a boiling point of 147.5ºC at 760mmHg, a density of 0.962g/cm3 and a flash point of 53.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3142-66-3
- Jingsj CID
- J-1958382-6
- Molecular Formula
- C5H10O2
- Chinese Name
- 3-羟基-2-戊酮
- Molecular Weight
- 102.13200 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 2.5°C (estimate) |
|---|---|
| Boiling Point | 147.5ºC at 760mmHg |
| Density | 0.962g/cm3 |
| Flash Point | 53.8ºC |
Frequently Asked Questions
What is the CAS number of 2-Pentanone, 3-hydroxy-?
The CAS number of 2-Pentanone, 3-hydroxy- is 3142-66-3.
What are the molecular formula and molecular weight of 2-Pentanone, 3-hydroxy-?
2-Pentanone, 3-hydroxy- has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Pentanone, 3-hydroxy- (CAS 3142-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958382-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.