Hydrogen diselenide

Hydrogen diselenide
Hydrogen diselenide’s ball and stick model	Hydrogen diselenide’s space filling model
Names
	IUPAC name Dihydrogen diselenide
Identifiers
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:50476 ;
ChemSpider	4416259;
Gmelin Reference	558110
PubChem CID	5248613;
	InChI InChI=1S/H2S2/c1-2/h1-2H Key: BWGNESOTFCXPMA-UHFFFAOYSA-N ; InChI=1S/H2Se2/c1-2/h1-2H Key: AVJWYAUVPWRPJX-UHFFFAOYSA-N;
	SMILES [SeH][SeH];
Properties
Chemical formula	H2Se2
Molar mass	159.958 g·mol−1
Appearance	oily liquid
Density	g cm−3
Hazards
Flash point	Flammable
Related compounds
Related compounds	hydrogen peroxide ; hydrogen selenide ; hydrogen disulfide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Hydrogen diselenide is an inorganic selenium compound with a chemical formula H₂Se₂ or (SeH)₂.[1][2] At room temperature, hydrogen diselenide dissociates easily to hydrogen selenide (H₂Se) and elemental selenium, and is therefore not stable. However, hydrogen diselenide can be stable in some solutions.[3]

References

Macintyre, J.E. (1992). Dictionary of Inorganic Compounds. Taylor & Francis. p. 293. ISBN 9780412301209.
"化學命名原則" (PDF). 國立編譯館. 2011-04-01. Archived (PDF) from the original on 2016-03-22. Retrieved 2016-02-27.
Shaw, B.L.; Stavely, L.A.K. (2013). Inorganic Hydrides: The Commonwealth and International Library: Chemistry Division. Commonwealth and international library: Chemistry division. Elsevier Science. p. 76. ISBN 9781483160320.

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