![2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one Structure](https://www.chemicalbook.com/CAS/GIF/4645-07-2.gif)
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
- Product Name2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
- CAS4645-07-2
- CBNumberCB41451672
- MFC17H16N4O2
- MW308.33
- MDL NumberMFCD03037442
- MOL File4645-07-2.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 166-167 ºC |
| Boiling point | 505.3±45.0 °C(Predicted) |
| Density | 1.24 |
| pka | 1.35±0.70(Predicted) |
| FDA UNII | U4AYW7ZJ90 |
| EPA Substance Registry System | C.I. Solvent Yellow 72 (4645-07-2) |
Safety
| Symbol(GHS) |
|
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362 |
| TSCA | TSCA listed |