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Sodium sulfate (data page)

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Chemical data page

This page provides supplementary chemical data on sodium sulfate.

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
Index of refraction, nD
Abbe number ?
Dielectric constant, εr anhydrous: 7.90 at r.t.
decahydrate: 5.0 at r.t.
pentahydrate: 7 at 250-290K
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility, χm anhydrous: -52 x10 cm mol
decahydrate: -184 x10 cm mol
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
Triple point ? K (? °C), ? Pa
Critical point ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusH 		200.8 kJ/mol
Std entropy change
of fusion, ΔfusS 		? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapH 		? kJ/mol
Std entropy change
of vaporization, ΔvapS 		? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHsolid 		-1387.1 kJ/mol
Standard molar entropy,
Ssolid 		149.6 J/(mol K)
Heat capacity, cp 128.2 J/(mol K)
Entropy change of solution 2.1 J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHliquid 		? kJ/mol
Standard molar entropy,
Sliquid 		? J/(mol K)
Heat capacity, cp ?kJ/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHgas 		-1033.62 kJ/mol
Standard molar entropy,
Sgas 		346.84 J/(mol K)
Heat capacity, cp ? J/(mol K)

Spectral data

UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands
(nujol mull, nujol pks not listed)
Wave number transmittance
1124 cm 10% (br)
638 cm 42%
618 cm 35%
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments 		 
  This box:   

References

  1. ^ 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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