2,3-Diethyl-5-methylpyrazine

2,3-二乙基-5-甲基吡嗪

Also known as: 2,3-Diethyl-5-methylpyrazine, 2,3-Diethyl-6-methylpyrazine, 2-Methyl-5,6-diethylpyrazine, 5,6-Diethyl-2-methylpyrazine, 5-Methyl-2,3-diethylpyrazine, Pyrazine, 2,3-diethyl-5-methyl-, FEMA 3336, MFCD00009635, EINECS 242-024-6

2,3-Diethyl-5-methylpyrazine (CAS 18138-04-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H14N2 and a molecular weight of 150.221 g/mol. It is also known as 2,3-Diethyl-6-methylpyrazine, 2-Methyl-5,6-diethylpyrazine and 5,6-Diethyl-2-methylpyrazine. Key properties include a boiling point of 198.1±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 80.0±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18138-04-0
Jingsj CID
J-1504157-3
Molecular Formula
C9H14N2
Chinese Name
2,3-二乙基-5-甲基吡嗪
Molecular Weight
150.221 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point198.1±35.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point80.0±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3-Diethyl-5-methylpyrazine?

The CAS number of 2,3-Diethyl-5-methylpyrazine is 18138-04-0.

What are the molecular formula and molecular weight of 2,3-Diethyl-5-methylpyrazine?

2,3-Diethyl-5-methylpyrazine has molecular formula C9H14N2 and molecular weight 150.221 g/mol.

Is 2,3-Diethyl-5-methylpyrazine hazardous?

2,3-Diethyl-5-methylpyrazine 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. "2,3-Diethyl-5-methylpyrazine (CAS 18138-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504157-3 (accessed 2026-10-24).

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