Tetronic acid

季酮酸

Also known as: 4-Hydroxyfuran-2(5H)-one, 4-Hydroxy-2(5H)-furanone, 4-Hydroxy-2,5-dihydrofuran-2-one, 2(5H)-Furanone, 4-hydroxy-, 3-hydroxy-2H-furan-5-one, β-Tetronic acid

Tetronic acid (CAS 541-57-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4O3 and a molecular weight of 100.073 g/mol. It is also known as 4-Hydroxyfuran-2(5H)-one, 4-Hydroxy-2(5H)-furanone and 4-Hydroxy-2,5-dihydrofuran-2-one. Key properties include a melting point of 135-137 °C, a boiling point of 316.0±42.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 162.0±20.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
541-57-1
Jingsj CID
J-1310212-0
Molecular Formula
C4H4O3
Chinese Name
季酮酸
Molecular Weight
100.073 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point135-137 °C
Boiling Point316.0±42.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point162.0±20.7 °C

Frequently Asked Questions

What is the CAS number of Tetronic acid?

The CAS number of Tetronic acid is 541-57-1.

What are the molecular formula and molecular weight of Tetronic acid?

Tetronic acid has molecular formula C4H4O3 and molecular weight 100.073 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetronic acid (CAS 541-57-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310212-0 (accessed 2026-10-22).

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