4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]
Synonym(s):TAPC
- CAS NO.：58473-78-2
- Empirical Formula: C46H46N2
- Molecular Weight: 626.87
- MDL number: MFCD03844768
- EINECS: 261-274-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:55:59
![4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline] Structural](https://img.chemicalbook.in/CAS/GIF/58473-78-2.gif)
What is 4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]?
Description
1,1-Bis[(di-4-tolylamino)phenyl]cyclohexane, known as TAPC, has been?widely used as a hole transport material in organic light-emitting diodes (OLEDs) due to its?high hole mobility.
Chemical properties
Light yellow solid
The Uses of 4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]
This material is a popular Hole Transport Layer material for OLED devices.
Properties of 4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]
| Melting point: | 186 °C |
| Boiling point: | 755.0±60.0 °C(Predicted) |
| Density | 1.118±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | soluble in Dimethylformamide,Tetrahydrofuran |
| form | powder |
| pka | -1.57±0.60(Predicted) |
| color | White to Gray to Brown |
| CAS DataBase Reference | 58473-78-2(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenamine, 4,4'-cyclohexylidenebis[N,N-bis(4-methylphenyl)- (58473-78-2) |
| Absorption | λmax?305 nm (in THF) |
Safety information for 4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,4'-Cyclohexylidenebis[N,N-bis(4-methylphenyl)aniline]
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