HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
3,6-Dichlorpyridazin
3,6-dichlorpyridazine · 3,6-DichL · AURORA KA-6560 · IFLAB-BB F1918-0076 · 6-Dichloropyridazine · 3,6-Dichloropyridazi · 3,6-Dichloro Pyridine · 3,6-DICHLOROPYRIDAZINE
Identifikatoren & physikalische Daten
| CAS No. | 141-30-0 |
|---|---|
| Summenformel | C4H2Cl2N2 |
| Durchschnittliche Molmasse | 148,98 g/mol |
| Monoisotopische Masse | 147,95950342 g/mol |
| SMILES | Clc1ccc(Cl)nn1 |
| InChIKey | GUSWJGOYDXFJSI-UHFFFAOYSA-N |
| PubChem CID | 67331 |
| EC No. | 205-478-6 |
| DTXSID | DTXSID4059704 |
| Lokaler Name | 3,6-Dichlorpyridazin |
Chemische & physikalische Eigenschaften
| XLogP | 1,7 |
|---|---|
| Polarare Oberfläche (TPSA) | 25,8 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 2 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 8 |
| Formalladung | 0 |
| Komplexität | 68,4 |
| Stoffklassen | Nitrogen Compounds -> Other Aromatics (Nitrogen) |
| SpringerMaterials Properties | Schoenflies notation |
| LogP (Verteilungskoeffizient) | 0.93 |
| Physical Description | Solid[Sigma-Aldrich MSDS] |
| Schmelzpunkt | 65-69 °C (lit.) |
| Siedepunkt | 244.21°C (rough estimate) |
| Dichte | 1.6445 (rough estimate) |
| Brechungsindex | 1.6300 (estimate) |
| Lagerbedingungen | Keep in dark place,Sealed in dry,Room Temperature |
| Löslichkeit | 0.0012g/lSoluble in chloroform. Insoluble in water. |
| pKa (Säurekonstante) | -1.18±0.10(Predicted) |
| Aggregatzustand | Crystalline Powder |
| Farbe | White to almost white |
| BRN | 111151 |
| InChI | InChI=1S/C4H2Cl2N2/c5-3-1-2-4(6)8-7-3/h1-2H |
| InChIKey | GUSWJGOYDXFJSI-UHFFFAOYSA-N |
| SMILES | C1(Cl)=NN=C(Cl)C=C1 |
| CAS Datenbank | 141-30-0(CAS DataBase Reference) |
| NIST chemische Informationen | Pyridazine, 3,6-dichloro-(141-30-0) |
| EPA chemische Informationen | Pyridazine, 3,6-dichloro- (141-30-0) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH301 (81%): Toxic if swallowed [Danger Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 58 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.WarningH373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure] |
|---|---|
| Regulatorische Informationen | Status: Active Update: 05-11-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/32994 |
| Gefahrenübersicht | Causes somnolence, ataxia, and weight loss in inhalation lethal-concentration studies of ratsCauses somnolence and muscle weakness in oral lethal-dose studies of rats[RTECS] A skin and strong eye irritantToxic by ingestion[Sigma-Aldrich MSDS] See Maleic hydrazide and Pyrazon. |
| Hazard Classes and Categories | Acute Tox. 3 (81%)Specific target organ toxicity - Repeated exposure - Category 2 (liver, kidney, testis) |
| Toxicity Data | LC50 (rat) > 1,070 mg/m3/4hr |
| Wassergefährdungsklasse (WGK) | 3 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | 2811 |
| Zollcode | 29339900 |
| RTECS-Nr. | UR5886250 |
| R-Sätze (R) | 36/37/38-25-20 |
| Toxizität | rat,LC50,inhalation,> 1070mg/m3/4H (1070mg/m3),BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)BEHAVIORAL: ATAXIA,National Technical Information Service. Vol. OTS0543107, |
| Gefahrensymbole | Xi,T |
| hazard_note | Irritant |
| Sicherheitshinweise (S) | 26-37/39-45-22-36/39-36 |
| Gefahrenklasse | 6.1Acute Tox. 4 Oral |
| Verpackungsgruppe | III |
| Lagerklasse | 11 - Combustible Solids |
Anwendungen & Verwendung
Verwenden
3,6-Dichloropyridazine is used as an intermediate in synthetic chemistry, especially in active pharmaceutical ingredients. It is used in the preparation of alfa-(halohetaroyl)-2-azahetarylacetonitriles.