3-Hydroxytetrahydro-2H-pyran-2-one

3-羟基四氢-2H-吡喃-2-酮

Also known as: 2,5-dihydroxyvaleric acid delta lactone, 2H-Pyran-2-one, tetrahydro-3-hydroxy-, 3-hydroxyoxan-2-one, 3-Hydroxytetrahydro-2H-pyran-2-one

3-Hydroxytetrahydro-2H-pyran-2-one (CAS 5058-01-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8O3 and a molecular weight of 116.115 g/mol. It is also known as 2,5-dihydroxyvaleric acid delta lactone, 2H-Pyran-2-one, tetrahydro-3-hydroxy- and 3-hydroxyoxan-2-one. Key properties include a boiling point of 266.0±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 126.4±15.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5058-01-5
Jingsj CID
J-28481-3
Molecular Formula
C5H8O3
Chinese Name
3-羟基四氢-2H-吡喃-2-酮
Molecular Weight
116.115 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point266.0±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point126.4±15.4 °C

Frequently Asked Questions

What is the CAS number of 3-Hydroxytetrahydro-2H-pyran-2-one?

The CAS number of 3-Hydroxytetrahydro-2H-pyran-2-one is 5058-01-5.

What are the molecular formula and molecular weight of 3-Hydroxytetrahydro-2H-pyran-2-one?

3-Hydroxytetrahydro-2H-pyran-2-one has molecular formula C5H8O3 and molecular weight 116.115 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Hydroxytetrahydro-2H-pyran-2-one (CAS 5058-01-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28481-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.