Identifikatoren & physikalische Daten
| CAS No. | 70446-10-5 |
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| Summenformel | Eu |
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| Durchschnittliche Molmasse | 151,964 g/mol |
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| Monoisotopische Masse | 152,9212303 g/mol |
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| SMILES | [Eu] |
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| InChIKey | OGPBJKLSAFTDLK-UHFFFAOYSA-N |
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| PubChem CID | 23981 |
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| ChEBI | CHEBI:32999 |
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| EC No. | 231-161-7 |
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| DTXSID | DTXSID3064695 |
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Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 0 |
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| H-Brücken-Donoren | 0 |
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| H-Brücken-Akzeptoren | 0 |
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| Frei drehbare Bindungen | 0 |
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| Schwere Atome | 1 |
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| Formalladung | 0 |
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| Komplexität | 0 |
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| Stoffklassen | Metals -> Rare Earth Metals |
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| SpringerMaterials Properties | electron density of states |
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| Dichte | 5.24 @25 °C5.245 g/cm3 |
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| Siedepunkt | 1529 °C @760 [mm Hg]1489 °C |
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| Schmelzpunkt | 822 °C1100-1200 °C |
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| Physical Description | Crystals[Merck Index] Soft, malleable, steel-grey metalPowder form may ignite in air[Hawley] Quickly oxidizes in airIgnites in air at about 150-180 deg C[Reference #1] |
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Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 4.2% (2 of 48) of reports.DangerH228 (12.5%): Flammable solid [Danger Flammable solids]P210, P222, P223, P231, P231+P232, P233, P240, P241, P280, P302+P335+P334, P370+P378, P402+P404, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Gefahrenübersicht | Cost greatly reduced in recent years because of new technology (ion-exchange techniques and other processes)[Reference #1] See RARE EARTH METALS and linked occupational diseases. |
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| Hazard Classes and Categories | Flam. Sol. 1 (12.5%) |
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| Protective Action Criteria (PAC) | 30 [mg/m3]330 [mg/m3]2000 [mg/m3] |
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| Unerwünschte Wirkungen | Fibrogenic - Inducing tissue injury and fibrosis (scarring). |
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