4,5-Diphenylimidazolin-2-one

4,5-二苯咪唑啉酮

Also known as: 4,5-Diphenyl-2-imidazolone, 1,3-Dihydro-4,5-diphenyl-2H-imidazol-2-one, 4,5-Diphenyl-2(3H)-imidazolone, 4,5-Diphenylglyoxalone, NSC 28032

4,5-Diphenylimidazolin-2-one (CAS 642-36-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H12N2O and a molecular weight of 236.26900 g/mol. It is also known as 4,5-Diphenyl-2-imidazolone, 1,3-Dihydro-4,5-diphenyl-2H-imidazol-2-one and 4,5-Diphenyl-2(3H)-imidazolone. Key properties include a melting point of >300 °C and a density of 1.212g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 642-36-4
Jingsj CID: J-888621-3
Molecular Formula: C₁₅H₁₂N₂O
Chinese Name: 4,5-二苯咪唑啉酮
Molecular Weight: 236.26900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	>300 °C
Density	1.212g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,5-Diphenylimidazolin-2-one?

The CAS number of 4,5-Diphenylimidazolin-2-one is 642-36-4.

What are the molecular formula and molecular weight of 4,5-Diphenylimidazolin-2-one?

4,5-Diphenylimidazolin-2-one has molecular formula C15H12N2O and molecular weight 236.26900 g/mol.

Is 4,5-Diphenylimidazolin-2-one hazardous?

4,5-Diphenylimidazolin-2-one has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Diphenylimidazolin-2-one (CAS 642-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-888621-3 (accessed 2026-10-25).

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