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

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. 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-37702-6
Molecular Formula: C₁₃H₁₈O
Molecular Weight: 190.28100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	84-86 °C(lit.)
Boiling Point	311.4ºC at 760mmHg
Density	0.94g/cm3
Flash Point	131ºC
Exact Mass	190.13600
PSA	17.07000
LogP	3.43120
Vapor Pressure	0.000564mmHg at 25°C
Refractive Index	1.508

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 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 such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2',3',4',5',6'-Pentamethylacetophenone (CAS 2040-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37702-6 (accessed 2026-11-09).

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