Apperance
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white crystals (anhydrous) pale pink solid (hydrates)
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Boiling Point
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850 °C (anhydrous)
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Density
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3.25 g/cm 3 (anhydrous) 2.95 g/cm3 (monohydrate) 2.107 g/cm3 (tetrahydrate)
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Melting Point
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710 °C (anhydrous) 27 °C (tetrahydrate)
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Solubility
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52 g/100 mL (5 °C) 70 g/100 mL (7 °C) in water
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Solubility
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soluble in alcohol insoluble in ether
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EU Index
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025-003-00-4
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European Hazard Symbols
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Harmful (Xn)
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European Hazard Symbols
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Dangerous for the environment (N)
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NFPA704
|
|
Risk Statements
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Rlink#R48/20/22, Rlink#R51/53
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RTECS
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OP1050000 (anhydrous) OP0893500 (tetrahydrate)
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Safety Statements
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S2, S22, S61
|