5-Hydroxy-2-pentanone (mixture of monomer and dimer)

Also known as: 3-Acetyl-1-propanol, 5-hydroxypentan-2-one, Acetopropyl alcohol, gamma-Acetopropanol, gamma-Acetylpropyl alcohol, 4-Oxo-1-pentanol, 2-Pentanone, 5-hydroxy-

5-Hydroxy-2-pentanone (mixture of monomer and dimer) (CAS 1071-73-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. Key properties include a boiling point of 204.0±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 93.3±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1071-73-4
Jingsj CID: J-26894-9
Molecular Formula: C₅H₁₀O₂
Molecular Weight: 102.132 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	204.0±23.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	93.3±0.0 °C
Exact Mass	102.068077
PSA	37.30000
LogP	-0.57
Vapor Pressure	0.1±0.9 mmHg at 25°C
Refractive Index	1.421

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-Hydroxy-2-pentanone (mixture of monomer and dimer)?

The CAS number of 5-Hydroxy-2-pentanone (mixture of monomer and dimer) is 1071-73-4.

What are the molecular formula and molecular weight of 5-Hydroxy-2-pentanone (mixture of monomer and dimer)?

5-Hydroxy-2-pentanone (mixture of monomer and dimer) has molecular formula C5H10O2 and molecular weight 102.132 g/mol.

What are the upstream and downstream products of 5-Hydroxy-2-pentanone (mixture of monomer and dimer)?

For 5-Hydroxy-2-pentanone (mixture of monomer and dimer), Upstream Products: 4-Pentyn-1-ol, 1,4-Pentanediol, 4-Penten-1-ol; Downstream Products: 5-Bromo-2-pentanone, 1-Pentanol, 2-Pentanone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Hydroxy-2-pentanone (mixture of monomer and dimer) (CAS 1071-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26894-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.