1-(2,4-Dimethylthiazol-5-yl)ethanone

2,4-二甲基-5-乙酰基噻唑

Also known as: 5-Acetyl-2,4-dimethylthiazole, 2,4-Dimethyl-5-acetylthiazole, 1-(2,4-Dimethyl-1,3-thiazol-5-yl)ethanone, 1-(2,4-Dimethyl-5-thiazolyl)ethanone, 2,4-Dimethyl-5-thiazoyl methyl ketone, FEMA 3267, EINECS 253-826-0, MFCD00005331

1-(2,4-Dimethylthiazol-5-yl)ethanone (CAS 38205-60-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NOS and a molecular weight of 155.217 g/mol. It is also known as 5-Acetyl-2,4-dimethylthiazole, 2,4-Dimethyl-5-acetylthiazole and 1-(2,4-Dimethyl-1,3-thiazol-5-yl)ethanone. Key properties include a boiling point of 229.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 100.3±21.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38205-60-6
Jingsj CID
J-38709-7
Molecular Formula
C7H9NOS
Chinese Name
2,4-二甲基-5-乙酰基噻唑
Molecular Weight
155.217 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point229.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point100.3±21.8 °C

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-(2,4-Dimethylthiazol-5-yl)ethanone?

The CAS number of 1-(2,4-Dimethylthiazol-5-yl)ethanone is 38205-60-6.

What are the molecular formula and molecular weight of 1-(2,4-Dimethylthiazol-5-yl)ethanone?

1-(2,4-Dimethylthiazol-5-yl)ethanone has molecular formula C7H9NOS and molecular weight 155.217 g/mol.

Is 1-(2,4-Dimethylthiazol-5-yl)ethanone hazardous?

1-(2,4-Dimethylthiazol-5-yl)ethanone 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. "1-(2,4-Dimethylthiazol-5-yl)ethanone (CAS 38205-60-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38709-7 (accessed 2026-10-23).

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