Pyromeconic acid

焦袂康酸

Also known as: 3-hydroxy-4H-pyran-4-one, 3-hydroxy-4-pyrone, 3-hydroxy-γ-pyrone, 4H-Pyran-4-one, 3-hydroxy-, 3-hydroxypyran-4-one, Pyrocomenic acid

Pyromeconic acid (CAS 496-63-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4O3 and a molecular weight of 112.084 g/mol. It is also known as 3-hydroxy-4H-pyran-4-one, 3-hydroxy-4-pyrone and 3-hydroxy-γ-pyrone. Key properties include a melting point of 117-118ºC, a boiling point of 298.7±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 139.9±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
496-63-9
Jingsj CID
J-35995-1
Molecular Formula
C5H4O3
Chinese Name
焦袂康酸
Molecular Weight
112.084 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point117-118ºC
Boiling Point298.7±40.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point139.9±20.8 °C

Frequently Asked Questions

What is the CAS number of Pyromeconic acid?

The CAS number of Pyromeconic acid is 496-63-9.

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

Pyromeconic acid has molecular formula C5H4O3 and molecular weight 112.084 g/mol.

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

Last updated:

How to cite: Jingsj. "Pyromeconic acid (CAS 496-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35995-1 (accessed 2026-10-22).

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