1-(2,5-dimethylphenyl)ethanone

Also known as: 2',5'-Dimethylacetophenone, 2,5-Dimethylacetophenone, 1-(2,5-dimethylphenyl)ethanone, 1-Acetyl-2,5-dimethylbenzene, 2-Acetyl-p-xylene, Acetophenone, 2',5'-dimethyl-, Ethanone, 1-(2,5-dimethylphenyl)-

1-(2,5-dimethylphenyl)ethanone (CAS 2142-73-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O and a molecular weight of 148.20200 g/mol. Key properties include a boiling point of 195 °C(lit.), a density of 0.988 g/mL at 25 °C(lit.) and a flash point of 96.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 2142-73-6
Jingsj CID: J-45898-0
Molecular Formula: C₁₀H₁₂O
Molecular Weight: 148.20200 g/mol
Category: Ketones
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	195 °C(lit.)
Density	0.988 g/mL at 25 °C(lit.)
Flash Point	96.1 °C
Exact Mass	148.08900
PSA	17.07000
LogP	2.50600
Vapor Pressure	0.0653mmHg at 25°C
Refractive Index	n20/D 1.529(lit.)

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-(2,5-dimethylphenyl)ethanone?

The CAS number of 1-(2,5-dimethylphenyl)ethanone is 2142-73-6.

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

1-(2,5-dimethylphenyl)ethanone has molecular formula C10H12O and molecular weight 148.20200 g/mol.

What are the upstream and downstream products of 1-(2,5-dimethylphenyl)ethanone?

For 1-(2,5-dimethylphenyl)ethanone, Upstream Products: p-Xylene, Acetyl chloride, Ethanethiol; Downstream Products: 1-(2,5-dimethylphenyl)ethanol, 3-(2,5-Dimethylphenyl)-3-oxopropanenitrile, 1-(3,5-Dimethylphenyl)ethanone.

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

Last updated: 11/2/2026

How to cite: Jingsj. "1-(2,5-dimethylphenyl)ethanone (CAS 2142-73-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45898-0 (accessed 2026-11-09).

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