Cobalt disilicide

Cobalt disilicide
Names
	IUPAC name Cobalt disilicide
Identifiers
CAS Number	12017-12-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	57449125;
ECHA InfoCard	100.031.457
PubChem CID	135120840;
CompTox Dashboard (EPA)	DTXSID201010278 ;
	InChI InChI=1S/Co.2Si;
	SMILES [Si]=[Co]=[Si];
Properties
Chemical formula	CoSi2
Molar mass	115.104 g/mol
Appearance	gray cubic crystals
Density	4.9 g/cm3
Melting point	1,326 °C (2,419 °F; 1,599 K)
Magnetic susceptibility (χ)	0.4×10−6 emu/g
Refractive index (nD)	2.07 (589 nm)
Structure
Crystal structure	Fluorite
Space group	Fm3m (No. 225), cF12
Lattice constant	a = 0.5353 nm
Formula units (Z)	4
Hazards
Flash point	Non-flammable
Related compounds
Other cations	Iron disilicide; Manganese disilicide; Titanium disilicide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). (what is ?) Infobox references

Cobalt disilicide (CoSi₂) is an intermetallic compound, a silicide of cobalt. It is a superconductor with a transition temperature of around 1.4 K and a critical field of 105 Oe.