3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone

3-羟基-2,6-双(羟甲基)-4-吡喃酮

Also known as: 2,6-dihydroxymethyl-3-hydroxy-4-pyrone, 3-Hydroxy-2,6-bis(hydroxymethyl)-4H-pyran-4-one, 3-Hydroxy-2,6-bis-hydroxymethyl-pyran-4-one, 3-hydroxy-2,6-bis(hydroxymethyl)pyran-4-one, 4H-Pyran-4-one,3-hydroxy-2,6-bis(hydroxymethyl)-, Kojic Impurity 7

3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone (CAS 2029-49-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H8O5 and a molecular weight of 172.13500 g/mol. It is also known as 2,6-dihydroxymethyl-3-hydroxy-4-pyrone, 3-Hydroxy-2,6-bis(hydroxymethyl)-4H-pyran-4-one and 3-Hydroxy-2,6-bis-hydroxymethyl-pyran-4-one. Key properties include a melting point of 149 °C(dec.), a boiling point of 496.5ºC at 760 mmHg, a density of 1.583g/cm3 and a flash point of 213.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2029-49-4
Jingsj CID
J-16856-6
Molecular Formula
C7H8O5
Chinese Name
3-羟基-2,6-双(羟甲基)-4-吡喃酮
Molecular Weight
172.13500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point149 °C(dec.)
Boiling Point496.5ºC at 760 mmHg
Density1.583g/cm3
Flash Point213.7ºC

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone?

The CAS number of 3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone is 2029-49-4.

What are the molecular formula and molecular weight of 3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone?

3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone has molecular formula C7H8O5 and molecular weight 172.13500 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Hydroxy-2,6-bis(hydroxymethyl)-4-pyrone (CAS 2029-49-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16856-6 (accessed 2026-10-24).

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