Strontium chloride
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Strontium chloride (SrCl2) is a salt of strontium and chloride. It is a 'typical' salt, forming neutral aqueous solutions. As with all compounds of strontium, this salt emits a bright red colour in flame, and is commonly used in fireworks to that effect. Its properties are intermediate between those for barium chloride, which is more toxic, and calcium chloride.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Strontium chloride | |
Other names
Strontium(II) chloride | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.030.870 |
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 | |
SrCl2 | |
Molar mass | 158.53 g/mol (anhydrous) 266.62 g/mol (hexahydrate) |
Appearance | White crystalline solid |
Density | 3.052 g/cm3 (anhydrous, monoclinic form) 2.672 g/cm3 (dihydrate) 1.930 g/cm3 (hexahydrate) |
Melting point | 874 °C (1,605 °F; 1,147 K) (anhydrous) 61 °C (hexahydrate) |
Boiling point | 1,250 °C (2,280 °F; 1,520 K) (anhydrous) |
anhydrous: 53.8 g/100 mL (20 °C) hexahydrate: 106 g/100 mL (0 °C) 206 g/100 mL (40 °C) | |
Solubility | ethanol: very slightly soluble acetone: very slightly soluble ammonia: insoluble |
−63.0·10−6 cm3/mol | |
Refractive index (nD) |
1.650 (anhydrous) 1.594 (dihydrate) 1.536 (hexahydrate)[1] |
Structure | |
Deformed rutile structure | |
octahedral (six-coordinate) | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritant |
NFPA 704 (fire diamond) | |
Flash point | N/A |
Related compounds | |
Other anions |
Strontium fluoride Strontium bromide Strontium iodide |
Other cations |
Beryllium chloride Magnesium chloride Calcium chloride Barium chloride Radium 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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