2',3',4',5',6'-Pentamethylacetophenone

五甲基苯乙酮

Also known as: 1-(2,3,4,5,6-pentamethylphenyl)ethanone, 1-(pentamethylphenyl)ethan-1-one, Acetylpentamethylbenzene, Pentamethylacetophenone, 1-(2,3,4,5,6-pentamethylphenyl)ethan-1-one, 1,2,3,4,5-Pentamethyl-6-acetylbenzene

2',3',4',5',6'-Pentamethylacetophenone (CAS 2040-01-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H18O and a molecular weight of 190.28100 g/mol. It is also known as 1-(2,3,4,5,6-pentamethylphenyl)ethanone, 1-(pentamethylphenyl)ethan-1-one and Acetylpentamethylbenzene. Key properties include a melting point of 84-86 °C(lit.), a boiling point of 311.4ºC at 760mmHg, a density of 0.94g/cm3 and a flash point of 131ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2040-01-9
Jingsj CID
J-37702-9
Molecular Formula
C13H18O
Chinese Name
五甲基苯乙酮
Molecular Weight
190.28100 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point84-86 °C(lit.)
Boiling Point311.4ºC at 760mmHg
Density0.94g/cm3
Flash Point131ºC

Frequently Asked Questions

What is the CAS number of 2',3',4',5',6'-Pentamethylacetophenone?

The CAS number of 2',3',4',5',6'-Pentamethylacetophenone is 2040-01-9.

What are the molecular formula and molecular weight of 2',3',4',5',6'-Pentamethylacetophenone?

2',3',4',5',6'-Pentamethylacetophenone has molecular formula C13H18O and molecular weight 190.28100 g/mol.

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

Last updated:

How to cite: Jingsj. "2',3',4',5',6'-Pentamethylacetophenone (CAS 2040-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37702-9 (accessed 2026-10-22).

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