4,4'-Dimethyltriphenylamine
- CAS NO.：20440-95-3
- Empirical Formula: C20H19N
- Molecular Weight: 273.37
- MDL number: MFCD00145004
- EINECS: 243-822-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:51:05
What is 4,4'-Dimethyltriphenylamine?
Chemical properties
White to yellow solid
The Uses of 4,4'-Dimethyltriphenylamine
4,4''-Dimethyltriphenylamine
Purification Methods
Crystallise the amine once from EtOAc, then twice from EtOH to give pale yellow needles [Marsden J Chem Soc 627 1937, Beilstein 12 III 2033.]
Properties of 4,4'-Dimethyltriphenylamine
| Melting point: | 112°C |
| Boiling point: | 289.3 °C |
| Density | 1.079±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| pka | -2.19±0.50(Predicted) |
| color | White to Orange to Green |
| CAS DataBase Reference | 20440-95-3(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenamine, 4-methyl-N-(4-methylphenyl)-N-phenyl- (20440-95-3) |
Safety information for 4,4'-Dimethyltriphenylamine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4,4'-Dimethyltriphenylamine
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