English name: YTTRIUM SILICIDE

CAS：12067-55-9

EINECS:235-080-8

Chemical formula: Si2Y

Molecular weight: 145.08

Melting point: 1520 ℃

Density: 4.39 g/cm3

Crystal system: low-temperature orthorhombic crystal system, high-temperature tetragonal crystal system

Resistivity: The resistivity is greater than that of yttrium metal. The resistance temperature coefficient is positive, but it is negative at 500 ℃.

It is easy to react with hydrochloric acid and hydrofluoric acid, and is insoluble in H2O.