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Lithium sulfate

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Lithium sulfate
Lithium sulfate
Names
IUPAC name Lithium sulfate
Other names Lithium sulphate
Identifiers
CAS Number
ECHA InfoCard 100.030.734 Edit this at Wikidata
PubChem CID
RTECS number
  • OJ6419000
CompTox Dashboard (EPA)
Properties
Chemical formula Li2SO4
Molar mass 109.94 g/mol
Appearance White crystalline solid, hygroscopic
Density 2.221 g/cm (anhydrous)
2.06 g/cm (monohydrate)
Melting point 859 °C
Boiling point 1377 °C
Solubility in water monohydrate:
34.9 g/100 mL (25 °C)
29.2 g/100 mL (100 °C)
Solubility insoluble in absolute ethanol, acetone and pyridine
Refractive index (nD) 1.465 (β-form)
Thermochemistry
Heat capacity (C) 1.07 J/g K
Std enthalpy of
formation (ΔfH298) 		−1436.37 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1 0 0
Related compounds
Other cations Sodium sulfate
Potassium sulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Lithium sulfate is a white inorganic salt with the formula Li2SO4. It is the lithium salt of sulfuric acid.

Properties

Lithium sulfate is soluble in water, though it does not follow the usual trend of solubility versus temperature — its solubility in water decreases with increasing temperature, as its dissolution is an endothermic process. This property is shared with few inorganic compounds, such as the lanthanoid sulfates.

Lithium sulfate crystals, being piezoelectric, are also used in ultrasound-type non-destructive testing because they are very efficient sound generators. However, they do suffer in this application because of their water solubility.

Uses

Lithium sulfate is used to treat bipolar disorder (see lithium pharmacology).

References

  1. Patnaik, Pradyot (2002). Handbook of Inorganic Chemicals. McGraw-Hill. ISBN 0070494398.
Lithium compounds (list)
Inorganic (list)
Organic (soaps)
Minerals
Hypothetical
Other Li-related
Mood disorder
Spectrum
Bipolar disorder
Depression
Comorbidities
Symptoms
Diagnosis
Treatment
Anticonvulsants
Sympathomimetics,
SSRIs and similar
Other mood stabilizers
Non-pharmaceutical
History


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