N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
Synonym(s):TPD
- CAS NO.：65181-78-4
- Empirical Formula: C38H32N2
- Molecular Weight: 516.67
- MDL number: MFCD00144965
- EINECS: 413-810-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:08
What is N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine?
Description
N,N′-Bis(3-methylphenyl)-N,N′-diphenylbenzidine, commonly abbreviated as TPD,?is widely used as hole transport materials in organic electronic devices.
Chemical properties
solid
The Uses of N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
Organic photoconductor. Hole transporter.
Properties of N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
| Melting point: | 169°C |
| Boiling point: | 680.1±55.0 °C(Predicted) |
| Density | 1.37 g/cm3 |
| vapor pressure | 3.356Pa at 25℃ |
| storage temp. | Sealed in dry,Room Temperature |
| Water Solubility | Insoluble in water |
| form | Powder |
| pka | -2.40±0.60(Predicted) |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 65181-78-4(CAS DataBase Reference) |
| EPA Substance Registry System | [1,1'-Biphenyl]-4,4'-diamine, N,N'-bis(3-methylphenyl)-N,N'-diphenyl- (65181-78-4) |
| color | White powder/crystals |
| Absorption | λmax?352 nm?in THF |
Safety information for N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
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