Rhenium(VII) oxide

Rhenium(VII) oxide
Names
	Other names Rhenium heptoxide
Identifiers
CAS Number	1314-68-7 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.013.857
EC Number	215-241-9;
PubChem CID	123106;
UNII	0DJ421156F ;
CompTox Dashboard (EPA)	DTXSID00894901 ;
	InChI Key: NBGOSNNAAHDRLK-UHFFFAOYSA-N; InChI=1S/7O.2Re;
	SMILES O=[Re](=O)(=O)O[Re](=O)(=O)=O;
Properties
Chemical formula	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
Solubility in water	Hydrolyses
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	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). verify (what is ?) Infobox references

Rhenium(VII) oxide is the inorganic compound with the formula Re₂ O₇. 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]

^ "Rhenium(VII) oxide". pubchem.ncbi.nlm.nih.gov. Retrieved 14 December 2021.
^ 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.

[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.

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