Strontium hydroxide
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Strontium hydroxide | |
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Image:Strontium hydroxide.jpg | |
General | |
Molecular formula | Sr(OH)2 |
Molar mass | - 121.63468 g/mol (anhydrous) - 139.64996 g/mol (monohydrate) - 265.75692 g/mol (octahydrate) |
Appearance | colourless deliquescent crystals |
CAS number | [18480-07-4] (anhydrous) |
Properties | |
Density (solid) | 3.63 g/cm3 (anhydrous) |
Solubility in water | slight |
Melting point | 375 °C (anhydrous) |
Boiling point | |
Basicity (pKb) | |
Structure | |
Coordination geometry |
? |
Crystal structure | ? |
Thermodynamic data | |
Std enthalpy change of formation, ΔfH |
−kJ/mol |
Standard molar entropy, S |
J.K−1.mol−1 |
Hazards | |
MSDS | External MSDS |
EU classification | Harmful (Xn) |
NFPA 704 | |
R-phrases | R22 R36 R37 R38 |
S-phrases | |
Flash point | |
RTECS number | |
Supplementary data page | |
Structure and properties |
n, εr, etc. |
Thermodynamic data |
Phase behaviour Solid, liquid, gas |
Spectral data | UV, IR, NMR, MS |
Related compounds | |
Other anions | Strontium oxide Strontium peroxide |
Other cations | Calcium hydroxide Barium hydroxide |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Contents |
[edit] Preparation
[edit] Uses
Used chiefly in the refining of beet sugar. Also called strontia.
[edit] Safety
Severe skin, eye and respiratory irritant. Harmful if swallowed.