Lithium sulfate

Lithium sulfate
Lithium sulfate
Unit cell of the β-modification of lithium sulfate. Unit cell of lithium sulfate.
__ Li+ __ S6+ __ O2−
Names
IUPAC name
Lithium sulfate
Other names
Lithium sulphate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.734 Edit this at Wikidata
RTECS number
  • OJ6419000
UNII
  • InChI=1S/2Li.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 ☒N
    Key: INHCSSUBVCNVSK-UHFFFAOYSA-L ☒N
  • InChI=1/2Li.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
    Key: INHCSSUBVCNVSK-NUQVWONBAF
  • [Li+].[Li+].[O-]S(=O)(=O)[O-]
Properties[1]
Li2SO4
Molar mass 109.94 g/mol
Appearance White crystalline solid, hygroscopic
Density 2.221 g/cm3 (anhydrous)
2.06 g/cm3 (monohydrate)
Melting point 859 °C (1,578 °F; 1,132 K)
Boiling point 1,377 °C (2,511 °F; 1,650 K)
monohydrate:
34.9 g/100 mL (25 °C)
29.2 g/100 mL (100 °C)
Solubility insoluble in absolute ethanol, acetone and pyridine
−-40.0·10−6 cm3/mol
1.465 (β-form)
Structure[2]
Primitive monoclinic
P 21/a, No. 14
a = 8.239 Å, b = 4.954 Å, c = 8.474 Å
α = 90°, β = 107.98°, γ = 90°[2]
328.9 Å3
4
Tetrahedral at sulfur
Thermochemistry
1.07 J/g K
113 J/mol K
−1436.37 kJ/mol
-1324.7 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 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
2
0
0
Lethal dose or concentration (LD, LC):
613 mg/kg (rat, oral)[3]
Related compounds
Other anions
 Lithium chloride
Other cations
 Sodium sulfate

Potassium sulfate
Rubidium sulfate
Caesium sulfate

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

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

  1. ^ Patnaik, Pradyot (2002). Handbook of Inorganic Chemicals. McGraw-Hill. ISBN 0-07-049439-8.
  2. ^ a b Nord, A. G. (1976). "Crystal structure of β-Li2SO4". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 32 (3): 982–983. doi:10.1107/S0567740876004433.
  3. ^ Chambers, Michael. "ChemIDplus - 10377-48-7 - INHCSSUBVCNVSK-UHFFFAOYSA-L - Lithium sulfate - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.sis.nlm.nih.gov. Retrieved 12 October 2018.