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1-(2,3-Dimethylphenyl)ethanone

Also known as: 2,3-Dimethylacetophenone, 2,3-Dimethylphenylethanone, Medetomidine Impurity 38, Dexmedetomidine Impurity 31, 1-(2,3-dimethylphenyl)ethan-1-one, ETHANONE,1-(2,3-DIMETHYLPHENYL)

1-(2,3-Dimethylphenyl)ethanone (CAS 2142-71-4) 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 236.6ºC at 760 mmHg, a density of 0.965 g/cm3 and a flash point of 92.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2142-71-4
Jingsj CID
J-26376-3
Molecular Formula
C10H12O
Molecular Weight
148.20200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point236.6ºC at 760 mmHg
Density0.965 g/cm3
Flash Point92.4ºC
Exact Mass148.08900
PSA17.07000
LogP2.50600

Customs & Trade Information

HS Code2914399090
Summary2914399090. 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-(2,3-Dimethylphenyl)ethanone?

The CAS number of 1-(2,3-Dimethylphenyl)ethanone is 2142-71-4.

What are the molecular formula and molecular weight of 1-(2,3-Dimethylphenyl)ethanone?

1-(2,3-Dimethylphenyl)ethanone has molecular formula C10H12O and molecular weight 148.20200 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2,3-Dimethylphenyl)ethanone (CAS 2142-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26376-3 (accessed 2026-11-09).

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