Methyl 3-methylpentanoate

3-甲基戊酸甲酯

Also known as: Methyl 3-methylvalerate, Methyl beta-methylvalerate, Methyl β-methylvalerate, 3-Methylpentanoic acid methyl ester, 3-Methylvaleric acid methyl ester, 3-Methylvaleric acid, methyl ester, Pentanoic acid, 3-methyl-, methyl ester, Valeric acid, 3-methyl-, methyl ester

Methyl 3-methylpentanoate (CAS 2177-78-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O2 and a molecular weight of 130.18500 g/mol. It is also known as Methyl 3-methylvalerate, Methyl beta-methylvalerate and Methyl β-methylvalerate. Key properties include a boiling point of 135.1ºC at 760 mmHg, a density of 0.88 g/mL at 20ºC(lit.) and a flash point of 41ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2177-78-8
Jingsj CID
J-18482-3
Molecular Formula
C7H14O2
Chinese Name
3-甲基戊酸甲酯
Molecular Weight
130.18500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point135.1ºC at 760 mmHg
Density0.88 g/mL at 20ºC(lit.)
Flash Point41ºC

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl 3-methylpentanoate?

The CAS number of Methyl 3-methylpentanoate is 2177-78-8.

What are the molecular formula and molecular weight of Methyl 3-methylpentanoate?

Methyl 3-methylpentanoate has molecular formula C7H14O2 and molecular weight 130.18500 g/mol.

Is Methyl 3-methylpentanoate hazardous?

Methyl 3-methylpentanoate 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. "Methyl 3-methylpentanoate (CAS 2177-78-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18482-3 (accessed 2026-10-22).

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