3,5-Dimethyl-3',5'-di-tert-butyl-4,4'-diphenoquinone

3,5-二甲基-3',5'-二叔丁基-4,4'-联苯醌

Also known as: 2,5-Cyclohexadien-1-one, 2,6-bis(1,1-dimethylethyl)-4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-, 2,6-Bis(1,1-dimethylethyl)-4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-cyclohexadien-1-one, 3,5-Dimethyl-3',5'-di-t-butyl-4,4'-diphenoquinone, 3,5-Dimethyl-3',5'-ditert-butyldiphenoquinone, 3,5-Dimethyl-3',5'-di-tert-butyl-4,4'-diphenoquinone, 4-(3,5-Ditert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethylcyclohexa-2,5-dien-1-one

3,5-Dimethyl-3',5'-di-tert-butyl-4,4'-diphenoquinone (CAS 126657-30-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H28O2 and a molecular weight of 324.45700 g/mol. It is also known as 2,5-Cyclohexadien-1-one, 2,6-bis(1,1-dimethylethyl)-4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-, 2,6-Bis(1,1-dimethylethyl)-4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-cyclohexadien-1-one and 3,5-Dimethyl-3',5'-di-t-butyl-4,4'-diphenoquinone. Key properties include a melting point of 180-181ºC, a boiling point of 433.2ºC at 760mmHg, a density of 1.058 and a flash point of 161.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

126657-30-5

Jingsj CID

J-1553930-6

Molecular Formula

C₂₂H₂₈O₂

Chinese Name

3,5-二甲基-3',5'-二叔丁基-4,4'-联苯醌

Molecular Weight

324.45700 g/mol

Category

Ketones

Last updated

8/21/2026