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4906-22-3
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Basic Information
CAS No.: 4906-22-3
Name: 3,3',5,5'-Tetramethyldiphenoquinone
Molecular Structure:
Molecular Structure of 4906-22-3 (3,3',5,5'-Tetramethyldiphenoquinone)
Formula: C16H16O2
Molecular Weight: 240.302
Synonyms: 3,3,5,5-Tetramethyl-4,4-diphenoquinone;19358-55-5;3,3,5,5-Tetramethyldiphenoquinone;(Bi-2,5-cyclohexadien-1-ylidene)-4,4-dione, 3,3,5,5-tetramethyl- (8CI);2,5-Cyclohexadien-1-one, 4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-;3,3,5,5-Tetramethyldiphenylquinone;141339-04-0;3,3,5, 5-Tetramethyldiphenylquinone;3,3,5,5-Tetramethyl-4, 4-diphenoquinone;[Bi-2,5-cyclohexadien-1-ylidene]-4,4-dione, 3,3,5, 5-tetramethyl-;41395-97-5;Tetramethyl-4,4-biphenylquinone;4-(3,5-dimethyl-4-oxo-1-cyclohexa-2,5-dienylidene)-2,6-dimethyl-cyclohexa-2,5-dien-1-one;Diphenoquinone, 3,3,5,5-tetramethyl-;2,5-Cyclohexadien-1-one, 4- (3, 5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-;Tetramethyldiphenoquinone;3,5, 3’,5’-tetramethyl-4,4’-diphenoquinone;3,5,3',5'-Tetramethyl-bicyclohexylidene- 2,5,2',5'-tetraene-4,4'-dione;
EINECS: 225-535-9
Density: 1.123 g/cm3
Melting Point: 205-207 °C
Boiling Point: 375.1 °C at 760 mmHg
Flash Point: 140.7 °C
PSA: 34.14000
LogP: 3.23360
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Chemistry

IUPAC Name: 4-(3,5-Dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethylcyclohexa-2,5-dien-1-one 
Following is the structure of 3,3',5,5'-Tetramethyldiphenoquinone (CAS NO.4906-22-3):
                                 
Empirical Formula: C16H16O2
Molecular Weight: 240.297
EINECS: 225-535-9
Index of Refraction: 1.572
Molar Refractivity: 70.47 cm3
Molar Volume: 213.9 cm3
Density: 1.123 g/cm3
Flash Point: 140.7 °C
Melting point: 205-207 °C
Surface Tension: 39.9 dyne/cm
Enthalpy of Vaporization: 62.25 kJ/mol
Boiling Point: 375.1 °C at 760 mmHg
Vapour Pressure of 3,3',5,5'-Tetramethyldiphenoquinone (CAS NO.4906-22-3): 7.99E-06 mmHg at 25 °C
Product Categories of 3,3',5,5'-Tetramethyldiphenoquinone (CAS NO.4906-22-3): electronic
Canonical SMILES: CC1=CC(=C2C=C(C(=O)C(=C2)C)C)C=C(C1=O)C
InChI: InChI=1S/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
InChIKey: QDRFIDSUGRGGAY-UHFFFAOYSA-N

Specification

 3,3',5,5'-Tetramethyldiphenoquinone , its cas register number is 4906-22-3. It also can be called 3,3'5,5'-Tetramethyl-4,4'-diphenoquinone ; Diphenoquinone, 3,3',5,5'-tetramethyl- ; and 4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-5-cyclohexadien-1-one .