2-methylbutyl butyrate

丁酸2-甲基丁酯

Also known as: 2-methylbutyl butanoate, butyric acid 2-methylbutyl ester, 2-methylbutyl butyrate

2-methylbutyl butyrate (CAS 51115-64-1) 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 butanoate and butyric acid 2-methylbutyl ester. Key properties include a melting point of -73°C (estimate), a boiling point of 176.5ºC at 760mmHg, a density of 0.874g/cm3 and a flash point of 59.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51115-64-1
Jingsj CID
J-1356137-6
Molecular Formula
C9H18O2
Chinese Name
丁酸2-甲基丁酯
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 Point176.5ºC at 760mmHg
Density0.874g/cm3
Flash Point59.4ºC

Frequently Asked Questions

What is the CAS number of 2-methylbutyl butyrate?

The CAS number of 2-methylbutyl butyrate is 51115-64-1.

What are the molecular formula and molecular weight of 2-methylbutyl butyrate?

2-methylbutyl butyrate 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 butyrate (CAS 51115-64-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356137-6 (accessed 2026-10-22).

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