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Cas Database |
| Name |
N,N,N',N'-Tetraphenylbenzidine |
EINECS | 239-599-0 |
| CAS No. | 15546-43-7 | Density | 1.171 g/cm3 |
| PSA | 68.25000 | LogP | 4.27640 |
| Solubility | N/A | Melting Point |
230-234 °C |
| Formula | C36H28N2 | Boiling Point | 649.7 °C at 760 mmHg |
| Molecular Weight | 488.632 | Flash Point | 291.2 °C |
| Transport Information | N/A | Appearance | white crystalline powder |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Benzidine,N,N,N',N'-tetraphenyl- (6CI,7CI,8CI);[1,1'-Biphenyl]-4,4'-diamine,N,N,N',N'-tetraphenyl- (9CI);N,N,N',N'-Tetraphenyl-[1,1'-biphenyl]-4,4'-diamine; |
Article Data | 48 |
N,N,N',N'-Tetraphenylbenzidine Synthetic route
- 3001-15-8
4,4'-diiodobiphenyl
- 122-39-4
diphenylamine
- 15546-43-7
N,N,N',N'-tetraphenyl-4,4'-diaminobiphenyl
| Conditions | Yield |
|---|---|
| Stage #1: diphenylamine With butyl magnesium bromide In 2-methyltetrahydrofuran at 20℃; for 3h; Stage #2: 4,4'-diiodobiphenyl In 2-methyltetrahydrofuran; 1,3,5-trimethyl-benzene at 185℃; for 72h; | 89% |
| With potassium tert-butylate; 1,2-bis(2,6-diisopropylphenylimino)ethane; copper(l) iodide In toluene at 120℃; for 20h; | 85% |
| With 18-crown-6 ether; copper; potassium carbonate In N,N-dimethyl-formamide Ullmann reaction; | 83.5% |
N,N,N',N'-Tetraphenylbenzidine Chemical Properties
The Molecular Structure of (1,1'-Biphenyl)-4,4'-diamine, N4,N4,N4',N4'-tetraphenyl- (CAS NO.15546-43-7):
Molecular Formula: C36H28N2
Molecular Weight: 488.620920 g/mol
IUPAC: N,N-diphenyl-4-[4-(N-phenylanilino)phenyl]aniline
Product Categories: electronic;Electronic Chemicals;Electroluminescence;Functional Materials
Nominal Mass: 488 Da
Average Mass: 488.6209 Da
Monoisotopic Mass: 488.225249 Da
Index of Refraction: 1.685
Molar Refractivity: 158.53 cm3
Molar Volume: 417 cm3
Surface Tension: 52.4 dyne/cm
Density: 1.171 g/cm3
Flash Point: 291.2 °C
Enthalpy of Vaporization: 95.77 kJ/mol
Boiling Point: 649.7 °C at 760 mmHg
Vapour Pressure: 9.18E-17 mmHg at 25°C
InChI
InChI=1/C36H28N2/c1-5-13-31(14-6-1)37(32-15-7-2-8-16-32)35-25-21-29(22-26-35)30-23-27-36(28-24-30)38(33-17-9-3-10-18-33)34-19-11-4-12-20-34/h1-28H
Download | View Full InChI
Smiles
N(c1ccc(c2ccc(N(c3ccccc3)c3ccccc3)cc2)cc1)(c1ccccc1)c1ccccc1
N,N,N',N'-Tetraphenylbenzidine Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36:Wear suitable protective clothing
WGK Germany: 3
N,N,N',N'-Tetraphenylbenzidine Specification
(1,1'-Biphenyl)-4,4'-diamine, N4,N4,N4',N4'-tetraphenyl- (CAS NO.15546-43-7) is also called asTetraphenylbenzidine ; EINECS 239-599-0 ; N,N,N1,N1-Tetraphenylbenzidine ; (1,1'-Biphenyl)-4,4'-diamine, N,N,N',N'-tetraphenyl- ; N,N,N',N'-Tetraphenyl(1,1'-biphenyl)-4,4'-diamine .
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