504-30-3
3(2H)-Pyridazinone
CAS: 504-30-3
Molecular Formula: C4H4N2O
504-30-3 - Names and Identifiers
| Name | 3(2H)-Pyridazinone |
| Synonyms | Pyridazine-3-ol 3-hydropyridazine 3(2H)-Pyridazinone 1H-pyridazin-6-one Pyridazin-3(2H)-one 1H-Pyridazine-6-one 2,3-dihydropyridazin-3-one 2,3-Dihydropyridazine-3-one |
| CAS | 504-30-3 |
| InChI | InChI=1/C4H4N2O/c7-4-2-1-3-5-6-4/h1-3H,(H,6,7) |
| InChIKey | AAILEWXSEQLMNI-UHFFFAOYSA-N |
504-30-3 - Physico-chemical Properties
| Molecular Formula | C4H4N2O |
| Molar Mass | 96.09 |
| Density | 1.478 g/cm3 |
| Melting Point | 98-104 °C |
| Boling Point | 101°C/1.5mmHg(lit.) |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Crystallization |
| Color | Light Red to Light Brown |
| Maximum wavelength(λmax) | ['290nm(EtOH)(lit.)'] |
| BRN | 106974 |
| pKa | 11.47±0.20(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD00099605 |
504-30-3 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| HS Code | 29339900 |
504-30-3 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-09 20:45:29
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