Butyl 2-methylbutyrate

2-甲基丁酸丁酯

Also known as: Butyl 2-methylbutanoate, 2-Methylbutanoic acid butyl ester, N-Butyl 2-methylbutyrate, FEMA 3393, EINECS 256-973-9, MFCD00042902, Natural Butyl 2-methylbutyrate, Natural D-Butyl 2-methylbutyrate, Butanoic acid, 2-methyl-, butyl ester, 2-METHYLBUTYRIC ACID BUTYL ESTER, BUTYL METHYL 2 BUTYRATE, 2-methyl-butanoicacibutylester

Butyl 2-methylbutyrate (CAS 15706-73-7) 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 Butyl 2-methylbutanoate, 2-Methylbutanoic acid butyl ester and N-Butyl 2-methylbutyrate. Key properties include a melting point of 174-176 °C, a boiling point of 173-176 °C730 mm Hg(lit.), a density of 0.863 g/mL at 25 °C(lit.) and a flash point of 140 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15706-73-7
Jingsj CID
J-12449-0
Molecular Formula
C9H18O2
Chinese Name
2-甲基丁酸丁酯
Molecular Weight
158.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point174-176 °C
Boiling Point173-176 °C730 mm Hg(lit.)
Density0.863 g/mL at 25 °C(lit.)
Flash Point140 °F

GHS Safety & Compliance

Flammable / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of Butyl 2-methylbutyrate?

The CAS number of Butyl 2-methylbutyrate is 15706-73-7.

What are the molecular formula and molecular weight of Butyl 2-methylbutyrate?

Butyl 2-methylbutyrate has molecular formula C9H18O2 and molecular weight 158.23800 g/mol.

Is Butyl 2-methylbutyrate hazardous?

Butyl 2-methylbutyrate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Butyl 2-methylbutyrate (CAS 15706-73-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12449-0 (accessed 2026-10-24).

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