4,4′-Diphenoquinone

4,4'-联苯醌

Also known as: (Bi-2,5-cyclohexadien-1-ylidene)-4,4'-dione, [Bi-2,5-cyclohexadien-1-ylidene]-4,4'-dione, 2,5-Cyclohexadien-1-one, 4-(4-oxo-2,5-cyclohexadien-1-ylidene)-, 4,4'-Biphenyldione, 4,4'-Diphenoquinone, 4,4'-biphenoquinone, 4-(4-Oxo-2,5-cyclohexadien-1-ylidene)-2,5-cyclohexadien-1-one, 4-(4-oxocyclohexa-2,5-dien-1-ylidene)cyclohexa-2,5-dien-1-one, Diphenochinon-(4.4'), Diphenoquinone, p-diphenoquinone, [3,3']Bicyclohexa-1,4-dienyliden-6,6'-dion, [3,3']bicyclohexa-1,4-dienylidene-6,6'-dione, Δ4,4'-Bi[2,5-cyclohexadiene-1-one]

4,4′-Diphenoquinone (CAS 494-72-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H8O2 and a molecular weight of 184.19100 g/mol. It is also known as (Bi-2,5-cyclohexadien-1-ylidene)-4,4'-dione, [Bi-2,5-cyclohexadien-1-ylidene]-4,4'-dione and 2,5-Cyclohexadien-1-one, 4-(4-oxo-2,5-cyclohexadien-1-ylidene)-. Key properties include a boiling point of 358ºC at 760 mmHg, a density of 1.297g/cm3 and a flash point of 134.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

494-72-4

Jingsj CID

J-1044957-0

Molecular Formula

C₁₂H₈O₂

Chinese Name

4,4'-联苯醌

Molecular Weight

184.19100 g/mol

Category

Ketones

Last updated

8/21/2026