antipyrine; 5-antipyrine; 1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one; 1,5-dimethyl-2-phenylpyrazol-3-one | |
Links: | 🌍 Wikipedia, 📖 PubMed |
MeSH: | Analgesics; Anti-Inflammatory Agents, Non-Steroidal; Sensory System Agents |
CAS RN: | [60-80-0] |
Formula: | C11H12N2O; 188.23 g/mol |
InChiKey: | VEQOALNAAJBPNY-UHFFFAOYSA-N |
SMILES: | CN1N(C(=O)C=C1C)c2ccccc2 |
Toxicology (LD50): | 700 mg/Kg (cat, sc); 750 mg/Kg(dog, or); 3 000 mg/Kg(frog, sc); 1 400 mg/Kg(guinea~pig, or); 1 000 mg/Kg(guinea~pig, sc); 1 000 mg/Kg(mouse, sc); 700 mg/Kg(rabbit, iv); 1 250 mg/Kg(rabbit, sc); 1 800 mg/Kg(rat, or) |
Dipole moment: | 5.47 D |
Melting point: | 111 °C |
Boiling point: | 319 °C |
Log10 partition octanol / water: | 0.38 |
1g dissolves in: 1.00g trichloromethane; 1.00g ethanol; 1.00g water; 2.63g pyridine; 76.92g diethyl ether |