HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 5284488Erstellt: 23. Oktober 2026
2-Chloromaleic acid
Nsc42913 · Wln: qvygu1vq -t · 2-chloromaleic acid · Fumaric acid, chloro- · (Z)-2-Chloro-2-butenedioic acid · 2-Butenedioic acid, 2-chloro-, (Z)- · 2-Butenedioic acid, 2-chloro-, (2Z)-
https://huagongshe.com/de/chemical/5284488
Identifikatoren & physikalische Daten
| CAS No. | 19071-21-7 |
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| Summenformel | C4H3ClO4 |
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| Durchschnittliche Molmasse | 150,52 g/mol |
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| Monoisotopische Masse | 149,97198626 g/mol |
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| SMILES | O=C(O)/C=C(\Cl)C(=O)O |
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| InChIKey | ZQHJVIHCDHJVII-UPHRSURJSA-N |
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| PubChem CID | 5284488 |
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| EC No. | 622-391-2 |
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| DTXSID | DTXSID2021529 |
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Chemische & physikalische Eigenschaften
| XLogP | 0,4 |
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| Polarare Oberfläche (TPSA) | 74,6 |
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| H-Brücken-Donoren | 2 |
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| H-Brücken-Akzeptoren | 4 |
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| Frei drehbare Bindungen | 2 |
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| Schwere Atome | 9 |
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| Formalladung | 0 |
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| Komplexität | 171 |
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| SpringerMaterials Properties | Diamagnetic susceptibility |
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| Schmelzpunkt | 191-192 °C |
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| Siedepunkt | 326.0±27.0 °C(Predicted) |
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| Dichte | 1.698±0.06 g/cm3(Predicted) |
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| pKa (Säurekonstante) | 1.52±0.19(Predicted) |
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Sicherheit & Vorschriften
| GHS-Einstufung | WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P270, P272, P280, P301+P317, P302+P352, P321, P330, P333+P317, P362+P364, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 39 reports by companies from 1 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 (100%) |
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