Chromium(III) selenide

Chromium(III) selenide
Names
	IUPAC name Chromium(III) selenide
	Other names Dichromium triselenide
Identifiers
CAS Number	12053-36-0;
3D model (JSmol)	Interactive image;
ChemSpider	13785932;
PubChem CID	19601284;
	InChI InChI=1S/2Cr.3Se/q2+3;3-2 Key: MFCZCFZRMCCMJL-UHFFFAOYSA-N;
	SMILES [Cr+3].[Cr+3].[Se-2].[Se-2].[Se-2];
Properties
Chemical formula	Cr2Se3
Molar mass	340.87 g/mol
Appearance	Maroon powder
Density	5.7–9.7 g/cm3
Solubility in water	insoluble
Related compounds
Other anions	Chromium(III) oxide; Chromium(III) sulfide; Chromium(III) telluride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chromium(III) selenide is an inorganic chemical compound with the formula Cr₂Se₃. It is one of the several chromium-selenium phases, along with CrSe. It is formed as a maroon-colored amorphous powder, and has a rhombohedral crystal structure.