Topic summary
Rhenium trioxide

Rhenium trioxide
Rhenia
3D model (JSmol)
- 215-228-8
PubChemCID
CompTox Dashboard(EPA)
- Key: YSZJKUDBYALHQE-UHFFFAOYSA-N
- InChI=1S/3O.Re
- O=[Re](=O)=O
Refractive index (nD)
a = 374.8 pm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Rhenium trioxide or rhenium(VI) oxide is an inorganic compound with the formula ReO3. It is a red solid with a metallic lustre that resembles copper in appearance. It is the only stable trioxide of the Group 7 elements (Mn, Tc, Re).