2-Methylvaleraldehyde

2-甲基戊醛

Also known as: Methyl Valeraldehyde, 2-Methylpentanal, 2-Methyl-1-pentanal, 2-Formylpentane, α-Methylvaleraldehyde, 2-Methylpentaldehyde, 2-Methylvaleraldehyde (alternate)

2-Methylvaleraldehyde (CAS 123-15-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H12O and a molecular weight of 100.159 g/mol. It is also known as Methyl Valeraldehyde, 2-Methylpentanal and 2-Methyl-1-pentanal. Key properties include a melting point of -60ºC, a boiling point of 118.1±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 16.7±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123-15-9
Jingsj CID
J-1510727-3
Molecular Formula
C6H12O
Chinese Name
2-甲基戊醛
Molecular Weight
100.159 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-60ºC
Boiling Point118.1±8.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point16.7±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Methylvaleraldehyde?

The CAS number of 2-Methylvaleraldehyde is 123-15-9.

What are the molecular formula and molecular weight of 2-Methylvaleraldehyde?

2-Methylvaleraldehyde has molecular formula C6H12O and molecular weight 100.159 g/mol.

Is 2-Methylvaleraldehyde hazardous?

2-Methylvaleraldehyde has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2-Methylvaleraldehyde (CAS 123-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510727-3 (accessed 2026-10-22).

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