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Diethyl 2-(3-oxobutyl)malonate

Also known as: Ethyl 2-Carbethoxy-5-ketohexanoate, ethyl 2-ethoxycarbonyl-5-oxohexanoate, diethyl (3-oxobutyl)malonate, diethyl 2-(3-oxobutyl)propanedioate, 1,3-diethyl 2-(3-oxobutyl)propanedioate, Propanedioic acid, 2-(3-oxobutyl)-, 1,3-diethyl ester, 2-(3-oxo-butyl)-malonic acid diethyl ester, 4-[bis(ethoxycarbonyl)methyl]2-butanone

Diethyl 2-(3-oxobutyl)malonate (CAS 4761-26-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18O5 and a molecular weight of 230.25800 g/mol. Key properties include a boiling point of 312.7ºC at 760 mmHg, a density of 1.073g/cm3 and a flash point of 134.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4761-26-6
Jingsj CID
J-1332201-5
Molecular Formula
C11H18O5
Molecular Weight
230.25800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point312.7ºC at 760 mmHg
Density1.073g/cm3
Flash Point134.3ºC
Exact Mass230.11500
PSA69.67000
LogP1.09800
Refractive Index1.439

Frequently Asked Questions

What is the CAS number of Diethyl 2-(3-oxobutyl)malonate?

The CAS number of Diethyl 2-(3-oxobutyl)malonate is 4761-26-6.

What are the molecular formula and molecular weight of Diethyl 2-(3-oxobutyl)malonate?

Diethyl 2-(3-oxobutyl)malonate has molecular formula C11H18O5 and molecular weight 230.25800 g/mol.

What are the upstream and downstream products of Diethyl 2-(3-oxobutyl)malonate?

For Diethyl 2-(3-oxobutyl)malonate, Upstream Products: Diethyl malonate, Diethyl bromomalonate, 4-(Dimethylamino)-2-butanone; Downstream Products: 1,3-Cyclohexanedione, Ethyl 5-oxohexanoate, 5-Oxohexanoic acid.

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

Last updated:

How to cite: Jingsj. "Diethyl 2-(3-oxobutyl)malonate (CAS 4761-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332201-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.