p-[[p-(phenylazo)phenyl]azo]phenol
- CAS NO.：6250-23-3
- Empirical Formula: C18H14N4O
- Molecular Weight: 302.33
- MDL number: MFCD00071854
- EINECS: 228-370-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:18
![p-[[p-(phenylazo)phenyl]azo]phenol Structural](https://img.chemicalbook.in/CAS/GIF/6250-23-3.gif)
What is p-[[p-(phenylazo)phenyl]azo]phenol?
The Uses of p-[[p-(phenylazo)phenyl]azo]phenol
Disperse Yellow 23 is used in method for analyzing Azo compounds in sample using liquid Chromatograph mass spectrometer. Dyes and metabolites, Environmental Testing.
Preparation
P -Methylaniline and 4 – Chloro – 1, 2 – dinitrobenzene condensation
Properties and Applications
Red light yellow, yellow orange, orange. Used for polyester fiber, polyamide fiber, vinegar dyeing.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| AATCC | 7 | 4-5 | 4 | ||||
Properties of p-[[p-(phenylazo)phenyl]azo]phenol
| Melting point: | 179-181 °C |
| Boiling point: | 443.37°C (rough estimate) |
| Density | 1.2276 (rough estimate) |
| refractive index | 1.6700 (estimate) |
| storage temp. | Refrigerator |
| solubility | DMSO (Slightly, Heated, Sonicated), Methanol (Slightly, Sonicated) |
| pka | 8.81±0.15(Predicted) |
| form | Solid |
| color | Very Dark Orange to Black |
| Water Solubility | 0.06047ug/L(25 ºC) |
| EPA Substance Registry System | C.I. Disperse Yellow 23 (6250-23-3) |
Safety information for p-[[p-(phenylazo)phenyl]azo]phenol
Computed Descriptors for p-[[p-(phenylazo)phenyl]azo]phenol
New Products
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