2-Ethyl-3-methoxypyrazine

2-乙基-3-甲氧基吡嗪

Also known as: 2-Ethyl-3-methoxypyrazine, 2-Methoxy-3-ethylpyrazine, 3-Ethyl-2-methoxypyrazine, 2-METHOXY-3-ETHYLPYRAZINE, 2-METHOXY-3(5/6)-ETHYL PYRAZINE, 2-METHOXY-3-ETHYL-3-METHYL-5-METHYL PYRAZINE, 2-METHYL-3,5 OR 6-METHOXYPYRAZINE, FEMA 5144, FEMA NUMBER 3280, 2-Aethyl-3-methoxypyrazin, Pyrazine, 2-ethyl-3-methoxy-, EINECS 247-184-0, MFCD00006129

2-Ethyl-3-methoxypyrazine (CAS 25680-58-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O and a molecular weight of 138.167 g/mol. It is also known as 2-Methoxy-3-ethylpyrazine, 3-Ethyl-2-methoxypyrazine and 2-METHOXY-3-ETHYLPYRAZINE. Key properties include a boiling point of 174.9±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 68.9±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25680-58-4
Jingsj CID
J-20287-9
Molecular Formula
C7H10N2O
Chinese Name
2-乙基-3-甲氧基吡嗪
Molecular Weight
138.167 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point174.9±35.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point68.9±0.0 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Ethyl-3-methoxypyrazine?

The CAS number of 2-Ethyl-3-methoxypyrazine is 25680-58-4.

What are the molecular formula and molecular weight of 2-Ethyl-3-methoxypyrazine?

2-Ethyl-3-methoxypyrazine has molecular formula C7H10N2O and molecular weight 138.167 g/mol.

Is 2-Ethyl-3-methoxypyrazine hazardous?

2-Ethyl-3-methoxypyrazine 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-Ethyl-3-methoxypyrazine (CAS 25680-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20287-9 (accessed 2026-10-23).

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