4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- CAS NO.：6407-78-9
- Empirical Formula: C18H18N4O
- Molecular Weight: 306.36
- EINECS: 229-043-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
![4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Structural](https://img.chemicalbook.in/CAS/GIF/6407-78-9.gif)
What is 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one?
The Uses of 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Solvent Yellow 18 is used in preparation methods of altering the refractive index of a lens using a polymer matrix.
Preparation
2,4-Dimethylbenzenamine diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one?coupling.
Flammability and Explosibility
Not classified
Properties and Applications
red light yellow to yellow. Insoluble in water, slightly soluble in alcohol. And C.I. Solvent yellow 18 the same chemical structure.
Properties of 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
| Boiling point: | 497.8±45.0 °C(Predicted) |
| Density | 1.19 |
| vapor pressure | 0Pa at 25℃ |
| pka | 1.45±0.70(Predicted) |
| Water Solubility | 62.94μg/L at 25℃ |
| EPA Substance Registry System | 3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl- (6407-78-9) |
Safety information for 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Computed Descriptors for 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
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New Products
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