Sodium perrhenate

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Sodium perrhenate
3D model (Jmol)
ECHA InfoCard 100.033.388
RTECS number WD3675000
Molar mass 273.194 g/mol
Appearance White crystalline powder
Density 5.39 g/cm3
Melting point 414 °C (777 °F; 687 K)
103.3 g/100 mL (0 °C)
145.3 g/100 mL (30 °C)
173.0 g/100 mL (50 °C)
Solubility soluble in ethanol
Main hazards Oxidizer
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Sodium perrhenate (also known as Sodium Rhenate(VII)) is the inorganic compound with the formula NaReO4 It is a white crystalline solid that is soluble in water. It is a common precursor to rhenium compounds. Its structure resembles that of sodium perchlorate and sodium permanganate.


It can be prepared by treatment of rhenium heptoxide with base or by ion exchange from the potassium salt.


It reacts with sodium in ethanol to give nonahydridorhenate.[1] and with polysulfide solutions to give tetrathiorhenate.[2]


  1. ^ A. P. Ginsberg, C. R. Sprinkle, Nonahydridorhenate Salts" Inorganic Syntheses 1972, vol. 13, pp. 219–225. doi: 10.1002/9780470132449.ch45
  2. ^ Goodman, J. T.; Rauchfuss, T. B. (2002). "Tetraethylammonium-tetrathioperrhenate [Et4N][ReS4]". Inorganic Syntheses. 33: 107–110. doi:10.1002/0471224502.ch2. 

Further reading[edit]

  • Ahluwalia, J. C.; Cobble, J. W. (1 December 1964). "The Thermodynamic Properties of High Temperature Aqueous Solutions. II. Standard Partial Molal Heat Capacities of Sodium Perrhenate and Perrhenic Acid from 0 to 100o". Journal of the American Chemical Society. 86 (24): 5377–5381. doi:10.1021/ja01078a001. 
  • Dwek, Raymond A.; Luz, Z.; Shporer, M. (1 May 1970). "Nuclear magnetic resonance of aqueous solutions of sodium perrhenate". The Journal of Physical Chemistry. 74 (10): 2232–2233. doi:10.1021/j100909a038.