Diphenyl diselenide

Diphenyl diselenide
Names
	IUPAC name 1,1′-Diselanediyldibenzene
	Other names Phenyl diselenide
Identifiers
CAS Number	1666-13-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	14710 ;
ECHA InfoCard	100.015.256
EC Number	216-780-2;
PubChem CID	15460;
RTECS number	JM9152500;
UNII	9ATU3Z459Q ;
CompTox Dashboard (EPA)	DTXSID6061864 ;
	InChI InChI=1S/C12H10Se2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H Key: YWWZCHLUQSHMCL-UHFFFAOYSA-N ; InChI=1/C12H10Se2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H Key: YWWZCHLUQSHMCL-UHFFFAOYAK;
	SMILES c1ccc(cc1)[Se][Se]c2ccccc2;
Properties
Chemical formula	C12H10Se2
Molar mass	312.154 g·mol−1
Appearance	Yellow crystals
Density	1.84 g/cm3
Melting point	59 to 61 °C (138 to 142 °F; 332 to 334 K)
Solubility in water	Insoluble
Solubility in other solvents	Dichloromethane, THF, hot Hexane
Structure
Coordination geometry	90° at Se; C2 symmetry
Dipole moment	0 D
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H331, H373, H410
Precautionary statements	P260, P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, P501
Related compounds
Related compounds	Ph2S2,; C6H5SeH
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Diphenyl diselenide is the chemical compound with the formula (C₆H₅)₂Se₂, abbreviated Ph₂Se₂. This yellow-coloured solid is the oxidized derivative of benzeneselenol. It is used as a source of the PhSe unit in organic synthesis.