1,4-Dihydroxy-2-butanone

1,4-二羟基-2-丁酮

Also known as: 1,4-Dihydroxybutan-2-one, 2-Butanone, 1,4-dihydroxy-, 2-oxobutane-1,4-diol, 2-oxobutan-1,4-diol, 3-Deoxytetrulose, 3-deoxy-tetrulose

1,4-Dihydroxy-2-butanone (CAS 140-86-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H8O3 and a molecular weight of 104.10500 g/mol. It is also known as 1,4-Dihydroxybutan-2-one, 2-Butanone, 1,4-dihydroxy- and 2-oxobutane-1,4-diol. Key properties include a boiling point of 242.692ºC at 760 mmHg, a density of 1.201g/cm3 and a flash point of 114.843ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 140-86-3
Jingsj CID: J-1328204-0
Molecular Formula: C₄H₈O₃
Chinese Name: 1,4-二羟基-2-丁酮
Molecular Weight: 104.10500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	242.692ºC at 760 mmHg
Density	1.201g/cm3
Flash Point	114.843ºC

Frequently Asked Questions

What is the CAS number of 1,4-Dihydroxy-2-butanone?

The CAS number of 1,4-Dihydroxy-2-butanone is 140-86-3.

What are the molecular formula and molecular weight of 1,4-Dihydroxy-2-butanone?

1,4-Dihydroxy-2-butanone has molecular formula C4H8O3 and molecular weight 104.10500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4-Dihydroxy-2-butanone (CAS 140-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328204-0 (accessed 2026-10-25).

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