Radium chloride
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Radium chloride is an inorganic compound with the chemical formula RaCl2. It is a radium salt of hydrogen chloride. It was the first radium compound isolated in a pure state. Marie Curie and André-Louis Debierne used it in their original separation of radium from barium.[3] The first preparation of radium metal was by the electrolysis of a solution of this salt using a mercury cathode.[4]
Quick Facts Identifiers, Properties ...
An ampoule containing radium chloride | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.030.020 |
EC Number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
RaCl2 | |
Molar mass | 296.094 g/mol |
Appearance | Colorless solid, glows blue-green[1] |
Density | 4.9 g/cm3[1] |
Melting point | 900 °C (1,650 °F; 1,170 K)[1] |
245 g/L (20 °C)[2] | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
radioactive, highly toxic, corrosive |
GHS labelling: | |
H300, H310, H330, H350, H370, H373, H410 | |
NFPA 704 (fire diamond) | |
Related compounds | |
Other anions |
Radium bromide |
Other cations |
Beryllium chloride Magnesium chloride Calcium chloride Strontium chloride Barium 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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