4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one
tetramethyl-4,4'-biphenylquinone
CAS: 4906-22-3
Molecular Formula: C16H16O2
4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one - Names and Identifiers
| Name | tetramethyl-4,4'-biphenylquinone |
| Synonyms | TMDQ tetramethyl-4,4'-biphenylquinone 3,3',5,5'-Tetramethyldiphenoquinone 3,3',5,5'-TETRAMETHYL-4,4'-DIPHENOQUINONE Δ4,4'-Bi(2,6-dimethyl-2,5-cyclohexadiene-1-one) 2,2',6,6'-Tetramethyl-Δ4,4'-bi[2,5-cyclohexadiene]-1,1'-dione (Bi-2,5-cyclohexadien-1-ylidene)-4,4'-dione, 3,3',5,5'-tetramethyl- 3,3',5,5'-Tetramethyl-1,1'-bi(cyclohexa-2,5-dien-1-yliden)-4,4'-dion 3,5,3',5'-Tetramethyl-bicyclohexylidene-2,5,2',5'-tetraene-4,4'-dione 2,2',6,6'-Tetramethyl-Δ4,4'-bicyclohexane-2,2',5,5'-tetrene-1,1'-dione 3,3',5,5'-tetramethyl-1,1'-bi(cyclohexa-2,5-dien-1-ylidene)-4,4'-dione 4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one 2,5-cyclohexadien-1-one, 4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl- |
| CAS | 4906-22-3 |
| EINECS | 225-535-9 |
| InChI | InChI=1/C16H16O2/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14/h5-8H,1-4H3 |
4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one - Physico-chemical Properties
| Molecular Formula | C16H16O2 |
| Molar Mass | 240.3 |
| Density | 1.123 |
| Melting Point | 205-207 ºC |
| Boling Point | 375.1±42.0 °C(Predicted) |
| Flash Point | 140.7°C |
| Vapor Presure | 7.99E-06mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.572 |
4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 20:49:11
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