Rhenium(VII) oxide

Rhenium(VII) oxide
Rhenium(VII) oxide
Names
Other names
Rhenium heptoxide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.013.857 Edit this at Wikidata
EC Number
  • 215-241-9
UNII
  • Key: NBGOSNNAAHDRLK-UHFFFAOYSA-N
  • InChI=1S/7O.2Re
  • O=[Re](=O)(=O)O[Re](=O)(=O)=O
Properties
Re2O7
Molar mass 484.40298 g/mol
Appearance yellow crystalline powder
Density 6.103 g/cm3, solid
Melting point 360 °C (680 °F; 633 K)
Boiling point sublime
Hydrolyses
Hazards
GHS labelling:[1]
GHS05: Corrosive
Danger
H314
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Related compounds
Related compounds
Manganese(VII) oxide; technetium(VII) oxide; perrhenic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Rhenium(VII) oxide is the inorganic compound with the formula Re2O7. This yellowish solid is the anhydride of HOReO3. Perrhenic acid, Re2O7·2H2O, is closely related to Re2O7. Re2O7 is the raw material for all rhenium compounds, being the volatile fraction obtained upon roasting the host ore.[2]

  1. ^ "Rhenium(VII) oxide". pubchem.ncbi.nlm.nih.gov. Retrieved 14 December 2021.
  2. ^ Georg Nadler, Hans (2000). "Rhenium and Rhenium Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a23_199. ISBN 3527306730.