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2-Methylbutyl isobutyrate

2-甲基丁基异丁酸酯

Also known as: 2-Methylbutyl 2-methylpropionate, 2-Methylbutyl isobutyrate, 2-Methylpropanoic acid 2-methylbutyl ester, 2-methyl-propanoic acid,2-methylbutyl ester, 2-methylbutyl 2-methylpropanoate, Isobutyric acid, 2-methylbutyl ester, METHYL-2-BUTYL-ISO-BUTYRATE, Propanoic acid, 2-methyl-, 2-methylbutyl ester, NSC 53946

2-Methylbutyl isobutyrate (CAS 2445-69-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O2 and a molecular weight of 158.23800 g/mol. It is also known as 2-Methylbutyl 2-methylpropionate, 2-Methylpropanoic acid 2-methylbutyl ester and 2-methyl-propanoic acid,2-methylbutyl ester. Key properties include a melting point of -73°C (estimate), a boiling point of 165.2ºC at 760 mmHg, a density of 0.872 g/cm3 and a flash point of 50.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2445-69-4
Jingsj CID
J-16579-8
Molecular Formula
C9H18O2
Chinese Name
2-甲基丁基异丁酸酯
Molecular Weight
158.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-73°C (estimate)
Boiling Point165.2ºC at 760 mmHg
Density0.872 g/cm3
Flash Point50.5ºC

Frequently Asked Questions

What is the CAS number of 2-Methylbutyl isobutyrate?

The CAS number of 2-Methylbutyl isobutyrate is 2445-69-4.

What are the molecular formula and molecular weight of 2-Methylbutyl isobutyrate?

2-Methylbutyl isobutyrate has molecular formula C9H18O2 and molecular weight 158.23800 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Methylbutyl isobutyrate (CAS 2445-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16579-8 (accessed 2026-10-24).

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