HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 642800Erstellt: 27. Oktober 2026
2-Bromopyrazine
Bromopyrazine · 2-BROMOPYRAZINE · Pyrazine, 2-bromo- · 2-Bromopyrazine >2-Bromo-1,4-diazine · 2-BROMOPYRAZINE, 95+% · Pyrazine, bromo- (9CI) · 2-Bromopyrazine ISO 9001：2015 REACH
https://huagongshe.com/de/chemical/642800
Identifikatoren & physikalische Daten
| CAS No. | 56423-63-3 |
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| Summenformel | C4H3BrN2 |
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| Durchschnittliche Molmasse | 158,98 g/mol |
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| Monoisotopische Masse | 157,9479602 g/mol |
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| SMILES | Brc1cnccn1 |
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| InChIKey | WGFCNCNTGOFBBF-UHFFFAOYSA-N |
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| PubChem CID | 642800 |
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| ChEMBL | CHEMBL5407259 |
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| EC No. | 640-230-4 |
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| DTXSID | DTXSID00349062 |
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Chemische & physikalische Eigenschaften
| XLogP | 0,9 |
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| Polarare Oberfläche (TPSA) | 25,8 |
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| H-Brücken-Donoren | 0 |
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| H-Brücken-Akzeptoren | 2 |
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| Frei drehbare Bindungen | 0 |
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| Schwere Atome | 7 |
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| Formalladung | 0 |
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| Komplexität | 57,7 |
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| SpringerMaterials Properties | 15N nuclear magnetic resonance spectrum |
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| LogP (Verteilungskoeffizient) | 0.93 |
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| Siedepunkt | 61°C/10mmHg(lit.) |
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| Dichte | 1.757 g/mL at 25 °C |
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| Brechungsindex | n20/D1.580 |
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| Flammpunkt | 92℃ |
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| Lagerbedingungen | -20°C |
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| pKa (Säurekonstante) | -1.15±0.10(Predicted) |
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| Aggregatzustand | clear liquid |
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| Farbe | Colorless to Light orange to Yellow |
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| InChI | InChI=1S/C4H3BrN2/c5-4-3-6-1-2-7-4/h1-3H |
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| InChIKey | WGFCNCNTGOFBBF-UHFFFAOYSA-N |
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| SMILES | C1(Br)=NC=CN=C1 |
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Sicherheit & Vorschriften
| GHS-Einstufung | DangerH302 (95.5%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 44 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Hazard Classes and Categories | Acute Tox. 4 (95.5%) |
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| Wassergefährdungsklasse (WGK) | 3 |
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| Zollcode | 2933998090 |
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| R-Sätze (R) | 22-41-37/38 |
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| Gefahrensymbole | Xn |
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| Sicherheitshinweise (S) | 26-39 |
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| Lagerklasse | 11 - Combustible Solids |
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| Gefahrenklasse | Acute Tox. 4 Oral |
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