Pentamethylbenzonitrile

五甲基氰苯

Also known as: 2,3,4,5,6-pentamethylbenzonitrile, 2,3,4,5,6-pentamethylbenzenecarbonitrile, Penthamethylbenzonitrile, Benzonitrile, 2,3,4,5,6-pentamethyl-, EINECS 225-912-8, MFCD00015450

Pentamethylbenzonitrile (CAS 5144-10-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H15N and a molecular weight of 173.25400 g/mol. It is also known as 2,3,4,5,6-pentamethylbenzonitrile, 2,3,4,5,6-pentamethylbenzenecarbonitrile and Penthamethylbenzonitrile. Key properties include a melting point of 158-160ºC, a boiling point of 313.2ºC at 760mmHg, a density of 0.96g/cm3 and a flash point of 143.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5144-10-5
Jingsj CID
J-21055-3
Molecular Formula
C12H15N
Chinese Name
五甲基氰苯
Molecular Weight
173.25400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point158-160ºC
Boiling Point313.2ºC at 760mmHg
Density0.96g/cm3
Flash Point143.8ºC

Frequently Asked Questions

What is the CAS number of Pentamethylbenzonitrile?

The CAS number of Pentamethylbenzonitrile is 5144-10-5.

What are the molecular formula and molecular weight of Pentamethylbenzonitrile?

Pentamethylbenzonitrile has molecular formula C12H15N and molecular weight 173.25400 g/mol.

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

Last updated:

How to cite: Jingsj. "Pentamethylbenzonitrile (CAS 5144-10-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21055-3 (accessed 2026-10-22).

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