1-ethyl-1H-imidazole-5-carbaldehyde

1-乙基-1H-咪唑-5-甲醛

Also known as: 1-ethyl-1H-imidazole-5-carbaldehyde, 3-ethyl-3H-imidazole-4-carbaldehyde, 1-ethylimidazole-5-carbaldehyde, 3-ethylimidazole-4-carbaldehyde, 1H-imidazole-5-carboxaldehyde, 1-ethyl-

1-ethyl-1H-imidazole-5-carbaldehyde (CAS 842972-42-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O and a molecular weight of 124.14100 g/mol. It is also known as 3-ethyl-3H-imidazole-4-carbaldehyde, 1-ethylimidazole-5-carbaldehyde and 3-ethylimidazole-4-carbaldehyde. Key properties include a boiling point of 299ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 134.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
842972-42-3
Jingsj CID
J-1447277-2
Molecular Formula
C6H8N2O
Chinese Name
1-乙基-1H-咪唑-5-甲醛
Molecular Weight
124.14100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point299ºC at 760 mmHg
Density1.1g/cm3
Flash Point134.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-ethyl-1H-imidazole-5-carbaldehyde?

The CAS number of 1-ethyl-1H-imidazole-5-carbaldehyde is 842972-42-3.

What are the molecular formula and molecular weight of 1-ethyl-1H-imidazole-5-carbaldehyde?

1-ethyl-1H-imidazole-5-carbaldehyde has molecular formula C6H8N2O and molecular weight 124.14100 g/mol.

Is 1-ethyl-1H-imidazole-5-carbaldehyde hazardous?

1-ethyl-1H-imidazole-5-carbaldehyde 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. "1-ethyl-1H-imidazole-5-carbaldehyde (CAS 842972-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447277-2 (accessed 2026-10-24).

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