Strontium sulfate

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Strontium sulfate
Names
IUPAC name
Strontium sulfate
Other names
Celestine
Strontium sulphate
Properties
SrSO4
Molar mass 183.68 g/mol
Appearance White solid
Odor Odorless
Density 3.96 g/cm3 (at 25 °C)
Melting point 1,606 °C (2,923 °F; 1,879 K)
Boiling point Decomposes
0.0135 g/100 ml (25 °C)
0.014 g/100 ml (30 °C)
Solubility Insoluble in alkalis, organic solvents
Vapor pressure ~0 mmHg
Thermochemistry
117.0 J·mol−1·K−1
-1453.1 kJ·mol−1
Hazards
Safety data sheet Sigma-Aldrich
Flash point Non-flammable
Related compounds
Related compounds
Magnesium sulfate
Calcium sulfate
Barium sulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Strontium sulfate (SrSO4) is an inorganic chemical compound, the sulfate salt of strontium.

It is found in nature as the mineral celestine.

Properties

Chemical

Strontium sulfate can be roasted with carbon at high temperatures to give strontium carbonate.

Boiling strontium sulfate with a soluble carbonate salt, like potassium carbonate will also give strontium carbonate.

Physical

Strontium sulfate is a white solid, practically insoluble in water.

Availability

Strontium sulfate is sold by various chemical suppliers. Can also be bought online.

Preparation

Strontium sulfate can be prepared via displacement of a soluble strontium salt, such as strontium nitrate or strontium chloride with another soluble sulfate salt, like ammonium sulfate.

Projects

Handling

Safety

Strontium sulfate has low toxicity and doesn't require special handling.

Storage

In closed bottles.

Disposal

No special disposal is required, though it's better to try to recycle the compound if possible.

References

Relevant Sciencemadness threads