Lithium sulfate

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Lithium sulfate
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IUPAC name	Lithium sulfate
Other names	Lithium sulphate
Identifiers
CAS number	10377-48-7
Properties
Molecular formula	Li2SO4
Molar mass	109.9376 g/mol
Appearance	White crystalline solid, hygroscopic
Density	2.22 g/cm³, ?
Melting point	859°C
Solubility in water	36.1 g/100 ml (0°C) 35.5 g/100 ml (10°C) 34.8 g/100 ml (20°C) 34.2 g/100 ml (30°C) 33.7 g/100 ml (40°C) 32.6 g/100 ml (60°C) 31.4 g/100 ml (80°C) 30.9 g/100 ml (90°C)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Lithium sulfate is a white inorganic salt used to treat bipolar disorder (see Lithium pharmacology). It is soluble in water, though it does not follow the usual trend of solubility versus temperature — its solubility in water decreases with increasing temperature. This property is shared with few inorganic compounds, such as the lanthanide sulfates.