Name | NICKEL SILICIDE |
Synonyms | NICKEL SILICIDE dinickel silicide Silanediylidenedinickel(II) |
CAS | 12059-14-2 |
EINECS | 235-033-1 |
Molecular Formula | Ni2Si |
Molar Mass | 145.47 |
Density | 7.400 |
Melting Point | 1255°C |
Water Solubility | Insoluble in water. |
Appearance | Powder |
Exposure Limit | ACGIH: TWA 0.2 mg/m3NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3 |
Physical and Chemical Properties | Nickel silicide has a molecular weight of 145.51, a melting point of 1309 ℃ and a relative density of 7.217. Nickel silicide rapidly dissolves in hydrofluoric acid, slowly dissolves in hydrochloric acid, and is insoluble in water. Nickel silicide reacts violently with fluorine to white heat at room temperature, and reacts with chlorine under red heat. Nickel silicide decomposes in aqua regia. |
TSCA | Yes |
Hazard Class | 9 |
crystal structure | Orthorhombic |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
preparation method | silicon oxide, nickel (II) oxide and aluminum were heated in a blast furnace to obtain. |