Lithium sulfate

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Crystal structure
Unit cell of lithium sulfate.
__ Li + __ S 6+ __ O 2−
Crystal system

monoclinic

Space group

P 2 1 / a (No. 14, position 3)Template: room group / 14.3

Lattice parameters

a = 8.239 Å, b = 4.954 Å, c = 8.474 Å, β = 107.98 °

General
Surname Lithium sulfate
other names

Dilithium sulfate

Ratio formula Li 2 SO 4
Brief description

White dust

External identifiers / databases
CAS number
  • 10377-48-7
  • 10102-25-7 (monohydrate)
EC number 233-820-4
PubChem 66320
Wikidata Q421106
properties
Molar mass 109.94 g mol −1
Physical state

firmly

density

2.22 g cm −3

Melting point

845 ° C

solubility

good in water (342 g l −1 at 25 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 302-319
P: 280-301 + 312 + 330-305 + 351 + 338-337 + 313
Toxicological data

613 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithium sulfate is a chemical compound of lithium from the group of sulfates .

Extraction and presentation

Lithium sulfate is made by reacting lithium carbonate with sulfuric acid .

properties

Lithium sulfate also occurs as a monohydrate , which converts to anhydrate at 130 ° C. The monohydrate crystallizes in the monoclinic crystal system in the space group P 2 1 (space group no. 4) . The anhydrate also crystallizes in the monoclinic crystal system, but in the space group space group P 2 1 / c (space group no. 14) and 4 formula units in the unit cell . Template: room group / 4 Template: room group / 14

use

Lithium sulfate is used in lithium therapy and in quick-setting cement . Lithium sulfate single crystals are also used in piezoelectrics , acoustics , for ultrasonic transmitters and for deflecting light.

Individual evidence

  1. ^ AG Nord: Crystal structure of β-Li 2 SO 4 . In: Acta Crystallographica Section B . tape 32 , 1976, pp. 982-983 , doi : 10.1107 / S0567740876004433 .
  2. ↑ a b c Entry on lithium sulfate in the GESTIS material database of the IFA , accessed on December 7, 2019(JavaScript required) .
  3. ↑ a b c d data sheet Lithium sulfate from Sigma-Aldrich , accessed on September 3, 2017 ( PDF ).
  4. ↑ a b Ulrich Wietelmann, Richard J. Bauer: lithium and lithium compounds. In: Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH, Weinheim 2005, doi : 10.1002 / 14356007.a15_393 .
  5. ^ Entry on Lithium sulfate in the ChemSpider database of the Royal Society of Chemistry , accessed on January 22, 2014.
  6. ↑ L. Bayarjargal, L. Bohatý: Nonlinear optical properties of lithium sulfate monohydrate, Li 2 SO 4 .H 2 O . In: Acta Crystallographica Section A: Foundations of Crystallography . tape 61 , A1, 2005, pp. 393-394 , doi : 10.1107 / S0108767305083339 .
  7. ^ YN Zhuravlev, LV Zhuravleva, OV Golovko: Chemical bond in alkali metal sulfates . In: Journal of Structural Chemistry . tape 48 , no. 5 , 2007, p. 789-795 , doi : 10.1007 / s10947-007-0120-y .
  8. ↑ Entry on lithium sulfate. In: Römpp Online . Georg Thieme Verlag, accessed on July 15, 2014.