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Cas Database |
| Name |
1,3-Diphenyl-5-pyrazolone |
EINECS | N/A |
| CAS No. | 4845-49-2 | Density | 1.17g/cm3 |
| PSA | 32.67000 | LogP | 2.32820 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C15H12 N2 O | Boiling Point | 368.7°Cat760mmHg |
| Molecular Weight | 236.273 | Flash Point | 176.8°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NOx. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2-Pyrazolin-5-one,1,3-diphenyl- (6CI,7CI,8CI); 1,3-Diphenyl-2-pyrazolin-5-one; NSC 59778 |
Article Data | 73 |
1,3-Diphenyl-5-pyrazolone Chemical Properties
IUPAC Name: 2,5-Diphenyl-4H-pyrazol-3-one
Molecular Formula: C15H12N2O
Molecular Weight: 236.29
Freely Rotating Bonds: 2
Polar Surface Area: 23.55 Å2
Index of Refraction: 1.642
Molar Refractivity: 69.36 cm3
Molar Volume: 191.9 cm3
Polarizability: 27.49 ×10-24 cm3
Surface Tension: 50.5 dyne/cm
Density: 1.23 g/cm3
Flash Point: 188.9 °C
Enthalpy of Vaporization: 63.8 kJ/mol
Boiling Point: 388.8 °C at 760 mmHg
Vapour Pressure: 2.99E-06 mmHg at 25°C
The Cas Register Number of 1,3-Diphenyl-5-pyrazolone is 4845-49-2 .The chemical synonyms of 1,3-Diphenyl-5-pyrazolone (CAS NO.4845-49-2) are 3H-pyrazol-3-one, 1,2-dihydro-2,5-diphenyl- ; 5-Pyrazolone, 1,3-diphenyl- and 2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one .The molecular structure of 1,3-Diphenyl-5-pyrazolone (CAS NO.4845-49-2) is
.
1,3-Diphenyl-5-pyrazolone Uses
1,3-Diphenyl-5-pyrazolone (CAS NO.4845-49-2) is used as organic intermediate .
1,3-Diphenyl-5-pyrazolone Toxicity Data With Reference
| 1. | ipr-mus LDLo:512 mg/kg | CBCCT* “Summary Tables of Biological Tests” National Research Council Chemical-Biological Coordination Center. 2 (1950),135. |
1,3-Diphenyl-5-pyrazolone Consensus Reports
Reported in EPA TSCA Inventory.
1,3-Diphenyl-5-pyrazolone Safety Profile
Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NOx.
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