Samarium(III) chloride
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Samarium(III) chloride, also known as samarium trichloride, is an inorganic compound of samarium and chloride. It is a pale yellow salt that rapidly absorbs water to form a hexahydrate, SmCl3.6H2O.[1] The compound has few practical applications but is used in laboratories for research on new compounds of samarium.
Quick Facts Names, Identifiers ...
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Names | |
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IUPAC name
samarium(III) chloride | |
Other names
samarium trichloride trichlorosamarium | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.030.712 ![]() |
EC Number |
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PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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Properties | |
SmCl3 | |
Molar mass | 256.76 g/mol (anhydrous) 364.80 g/mol (hexahydrate) |
Appearance | pale yellow solid (anhydrous)
cream-coloured solid (hexahydrate) |
Density | 4.46 g/cm3 (anhydrous)
2.383 g/cm3 (hexahydrate) |
Melting point | 682 °C (1,260 °F; 955 K) |
Boiling point | decomposes |
92.4 g/100 mL (10 °C) | |
Structure | |
hexagonal, hP8 | |
P63/m, No. 176 | |
Tricapped trigonal prismatic (nine-coordinate) | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritant |
GHS labelling: | |
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Warning | |
H315, H319 | |
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362 | |
Related compounds | |
Other anions |
Samarium(III) fluoride Samarium(III) bromide Samarium(III) oxide |
Other cations |
Samarium(II) chloride Promethium(III) chloride Europium(III) chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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