Ethanone, 1-(2,3,5,6-tetramethylphenyl)-

Also known as: 1-(2,3,5,6-Tetramethylphenyl)ethanone, 2',3',5',6'-Tetramethylacetophenone, Acetyldurene, Methyl duryl ketone, Acetophenone, 2',3',5',6'-tetramethyl-, 2,3,5,6-Tetramethylacetophenone, MFCD00014987

Ethanone, 1-(2,3,5,6-tetramethylphenyl)- (CAS 2142-79-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16O and a molecular weight of 176.25500 g/mol. Key properties include a melting point of 74-75ºC, a boiling point of 281.4ºC at 760mmHg, a density of 0.947g/cm3 and a flash point of 115.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2142-79-2
Jingsj CID: J-36670-1
Molecular Formula: C₁₂H₁₆O
Molecular Weight: 176.25500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	74-75ºC
Boiling Point	281.4ºC at 760mmHg
Density	0.947g/cm3
Flash Point	115.5ºC
Exact Mass	176.12000
PSA	17.07000
LogP	3.12280
Vapor Pressure	0.00358mmHg at 25°C
Refractive Index	1.509

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 Ethanone, 1-(2,3,5,6-tetramethylphenyl)-?

The CAS number of Ethanone, 1-(2,3,5,6-tetramethylphenyl)- is 2142-79-2.

What are the molecular formula and molecular weight of Ethanone, 1-(2,3,5,6-tetramethylphenyl)-?

Ethanone, 1-(2,3,5,6-tetramethylphenyl)- has molecular formula C12H16O and molecular weight 176.25500 g/mol.

What are the upstream and downstream products of Ethanone, 1-(2,3,5,6-tetramethylphenyl)-?

For Ethanone, 1-(2,3,5,6-tetramethylphenyl)-, Upstream Products: 1,2,4,5-Tetramethylbenzene, Acetyl chloride, tetramethylbenzene; Downstream Products: 1,2,4,5-Tetramethylbenzene, 1,2,3,5-tetramethylbenzene, Pentamethylbenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ethanone, 1-(2,3,5,6-tetramethylphenyl)- (CAS 2142-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36670-1 (accessed 2026-11-09).

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