Identification Chemical Properties Safety Data Hazard Information Supplier Related Products

12039-90-6

Name Zirconium silicide
CAS 12039-90-6
EINECS(EC#) 234-911-1
Molecular Formula Si2Zr
MDL Number MFCD00151547
Molecular Weight 147.4
MOL File 12039-90-6.mol

Chemical Properties

Melting point  1790°C
density  4.88 g/mL at 25 °C(lit.)
solubility  insoluble in H2O, aqua regia; sHF
form  Powder
color  Gray
Specific Gravity 4.88
Resistivity 161 (ρ/μΩ.cm)
Water Solubility  Insoluble in water. It is insoluble in acids, alkali and aqua regia.
Crystal Structure Orthorhombic
Exposure limits ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
Uses
Zirconium silicide (Zr3Si2) has been identified as promising material for the neutron reflector in a gas cooled reactor.
CAS DataBase Reference 12039-90-6
EPA Substance Registry System Zirconium silicide (ZrSi2)(12039-90-6)

Safety Data

Safety Statements 
WGK Germany  3
TSCA  Yes

Hazard Information

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