Rhenium(VII) oxide
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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]
Quick Facts Names, Identifiers ...
Names | |
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Other names
Rhenium heptoxide | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.013.857 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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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] | |
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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