Diethyl isoamylmalonate

异戊基丙二酸二乙酯

Also known as: Diethyl (3-methylbutyl)malonate, Diethyl isopentylmalonate, Diethyl 2-isopentylmalonate, Diethyl(1-methylbutyl)propanedioate, isopentylmalonic acid diethyl ester, ethyl 2-isopentylmalonate, Propanedioic acid, 2-(3-methylbutyl)-, diethyl ester, Diethyl 3-methylbutylmalonate, NSC 4569

Diethyl isoamylmalonate (CAS 5398-08-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H22O4 and a molecular weight of 230.301 g/mol. It is also known as Diethyl (3-methylbutyl)malonate, Diethyl isopentylmalonate and Diethyl 2-isopentylmalonate. Key properties include a melting point of 6ºC, a boiling point of 241.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 109.8±16.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5398-08-3
Jingsj CID
J-40892-3
Molecular Formula
C12H22O4
Chinese Name
异戊基丙二酸二乙酯
Molecular Weight
230.301 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point6ºC
Boiling Point241.0±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point109.8±16.9 °C

Frequently Asked Questions

What is the CAS number of Diethyl isoamylmalonate?

The CAS number of Diethyl isoamylmalonate is 5398-08-3.

What are the molecular formula and molecular weight of Diethyl isoamylmalonate?

Diethyl isoamylmalonate has molecular formula C12H22O4 and molecular weight 230.301 g/mol.

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

Last updated:

How to cite: Jingsj. "Diethyl isoamylmalonate (CAS 5398-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40892-3 (accessed 2026-10-22).

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