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1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene

1,3-二均三甲苯基咪唑-2-亚基

Also known as: 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene, min. 98%, 1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene, 1,3-Dimesitylimidazol-2-ylidene, IMes, 1,3-Dimesityl-1H-imidazol-3-ium-2-ide, 1,3-bis(2,4,6-trimethylphenyl)-2H-imidazol-1-ium-2-ide

1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (CAS 141556-42-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H24N2 and a molecular weight of 304.42900 g/mol. It is also known as 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene, min. 98%, 1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene and 1,3-Dimesitylimidazol-2-ylidene. Key properties include a melting point of 140ºC, a boiling point of 442.706ºC at 760 mmHg and a flash point of 199.09ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
141556-42-5
Jingsj CID
J-42345-8
Molecular Formula
C21H24N2
Chinese Name
1,3-二均三甲苯基咪唑-2-亚基
Molecular Weight
304.42900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140ºC
Boiling Point442.706ºC at 760 mmHg
Flash Point199.09ºC

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene?

The CAS number of 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene is 141556-42-5.

What are the molecular formula and molecular weight of 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene?

1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene has molecular formula C21H24N2 and molecular weight 304.42900 g/mol.

Is 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene hazardous?

1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (CAS 141556-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42345-8 (accessed 2026-10-24).

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