3,6-Dichlorpyridazin
3,6-Dichloropyridazine
CAS: 141-30-0
Molecular Formula: C4H2Cl2N2
3,6-Dichlorpyridazin - Names and Identifiers
| Name | 3,6-Dichloropyridazine |
| Synonyms | 3,6-DichL 3,6-Dichlorpyridazin 3,6-Dichloro Pyridine 3,6-dichloro-pyridazin 3,6-DICHLOROPYRIDAZINE 3,6-Dichloropyridazine 3,6-DICHLORO-1,2-DIAZINE Pyridazine,3,6-dichloro- 1-Benzyl-2-pyrrolidinone-4-carboxylic acid |
| CAS | 141-30-0 |
| EINECS | 205-478-6 |
| InChI | InChI=1/C4H2Cl2N2/c5-3-1-2-4(6)8-7-3/h1-2H |
3,6-Dichlorpyridazin - Physico-chemical Properties
| Molecular Formula | C4H2Cl2N2 |
| Molar Mass | 148.98 |
| Density | 1.6445 (rough estimate) |
| Melting Point | 65-69 °C (lit.) |
| Boling Point | 244.21°C (rough estimate) |
| Flash Point | 147.9°C |
| Water Solubility | Soluble in chloroform. Insoluble in water. |
| Solubility | 0.0012g/l |
| Vapor Presure | 0.00782mmHg at 25°C |
| Appearance | Gray to brown powder |
| Color | White to almost white |
| BRN | 111151 |
| pKa | -1.18±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.6300 (estimate) |
| MDL | MFCD00006466 |
| Use | Used as pharmaceutical, pesticide intermediates |
3,6-Dichlorpyridazin - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R25 - Toxic if swallowed R20 - Harmful by inhalation |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S22 - Do not breathe dust. S36/39 - S36 - Wear suitable protective clothing. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | UR5886250 |
| TSCA | Yes |
| HS Code | 29339900 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
3,6-Dichlorpyridazin - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as an intermediate in medicine and pesticide Used as a pharmaceutical intermediate to produce long-acting sulfanilamide. Raw materials for the synthesis of sulfachlorpyridazine |
| Production method | It is obtained by ring expansion and chlorination of maleic anhydride. |
Last Update：2024-04-10 22:29:15
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