Sodium sulfate (data page)

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This page provides supplementary chemical data on sodium sulfate .

Contents

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Safety Data Sheet (SDS) for this chemical from the manufacturer and follow its directions.

Structure and properties

Structure and properties [1]
Dielectric constant, εranhydrous: 7.90 at r.t.
decahydrate: 5.0 at r.t.
pentahydrate: 7 at 250-290K
Surface tension 194.8  dyn/cm (194.8  mN/m) (at 900  °C)
184.7 dyn/cm (184.7 mN/m) (at 1077 °C)

Thermodynamic properties

Phase behavior
Solid properties
Entropy change of solution [1] 2.1 J/(mol K)
Liquid properties
Gas properties [2]
Std enthalpy change
of formation, ΔfHogas		-1033.62 kJ/mol
Standard molar entropy,
Sogas		346.84 J/(mol K)

Spectral data

UV-Vis
IR
Major absorption bands [3]
(nujol mull, nujol pks not listed)
Wave numbertransmittance
1124  cm −110% (br)
638 cm−142%
618 cm−135%
NMR
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References

  1. 1 2 Mellor, J. W. (1961). A Comprehensive Treatise on Inorganic and Theoretical Chemistry. new impr. London: Longmans. pp. 660–672.
  2. ↑ "Sodium sulfate". NIST . Retrieved 2007-06-14.
  3. ↑ "Spectral Database for Organic Compounds". Advanced Industrial Science and Technology. Archived from the original (Queriable database) on 5 May 2006. Retrieved 9 June 2007.
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