Rubidium selenide

Rubidium selenide
	; Rb+: __ Se2-: __
Names
	IUPAC name Rubidium selenide
Identifiers
CAS Number	31052-43-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	148024;
ECHA InfoCard	100.045.847
EC Number	250-447-2;
PubChem CID	169243;
CompTox Dashboard (EPA)	DTXSID10953154 ;
	InChI InChI=1S/2Rb.Se/q2*+1;-2 Key: FQJOSIUDOWCYLV-UHFFFAOYSA-N;
	SMILES [Se-2].[Rb+].[Rb+];
Properties
Chemical formula	Rb2Se
Molar mass	249.89
Appearance	colourless, highly hygroscopic crystals
Density	2.912 g/cm3; 3.16 g/cm3
Melting point	733 °C
Solubility in water	hydrolyses
Solubility in other solvents	soluble in ethanol and glycerin
Structure
Crystal structure	cubic: inverse fluorite structure
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	toxic
	GHS labelling:
Pictograms
Hazard statements	H301, H331, H373, H410
Related compounds
Other anions	rubidium oxide, rubidium sulfide, rubidium telluride, rubidium polonide
Other cations	lithium selenide, sodium selenide, caesium selenide, francium selenide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Rubidium selenide is an inorganic compound composed of selenium and rubidium. It is a selenide with a chemical formula of Rb₂Se. Rubidium selenide is used together with caesium selenide in photovoltaic cells.

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