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3-Acetyl-2,5-dimethylthiophene

Also known as: 1-(2,5-Dimethyl-3-thienyl)ethanone, 2,5-Dimethyl-3-acetylthiophene, 2,5-Dimethyl-3-thienyl methyl ketone, 2,5-Dimethylthiophen-3-yl methyl ketone, Dimethylthienylcetone, FEMA 3527, MFCD00009763

3-Acetyl-2,5-dimethylthiophene (CAS 2530-10-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10OS and a molecular weight of 154.229 g/mol. Key properties include a boiling point of 223.1±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 98.9±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2530-10-1
Jingsj CID
J-23883-5
Molecular Formula
C8H10OS
Molecular Weight
154.229 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point223.1±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point98.9±0.0 °C
Exact Mass154.045242
PSA45.31000
LogP2.36
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.532

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Acetyl-2,5-dimethylthiophene?

The CAS number of 3-Acetyl-2,5-dimethylthiophene is 2530-10-1.

What are the molecular formula and molecular weight of 3-Acetyl-2,5-dimethylthiophene?

3-Acetyl-2,5-dimethylthiophene has molecular formula C8H10OS and molecular weight 154.229 g/mol.

What are the upstream and downstream products of 3-Acetyl-2,5-dimethylthiophene?

For 3-Acetyl-2,5-dimethylthiophene, Upstream Products: 2,5-Dimethylthiophene, Acetyl chloride, 2,4-Dimethylthiophene; Downstream Products: 2,5-Dimethylthiophene-3-carboxylic acid, 2,5-dimethylthiophene-3-carbonyl chloride.

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

Last updated:

How to cite: Jingsj. "3-Acetyl-2,5-dimethylthiophene (CAS 2530-10-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23883-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.