Zirconium silicide
- CAS NO.：12039-90-6
- Empirical Formula: Si2Zr
- Molecular Weight: 147.4
- MDL number: MFCD00151547
- EINECS: 234-911-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:46:04
What is Zirconium silicide?
Chemical properties
Gray solid. Soluble in hydrogen fluoride; insoluble in water and aqua regia.
The Uses of Zirconium silicide
Zirconium silicide (Zr3Si2) has been identified as promising material for the neutron reflector in a gas cooled reactor.
The Uses of Zirconium silicide
Coatings resistant to flame or blast impingement, special alloys.
The Uses of Zirconium silicide
Zirconium silicate is used for manufacturing refractory materials. It is also used in production of some ceramics, enamels, and ceramic glazes. In enamels and glazes it serves as an opacifier. zirconium silicate is as beads for milling and grinding.
Flammability and Explosibility
Not classified
Properties of Zirconium silicide
| 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 |
| CAS DataBase Reference | 12039-90-6 |
| EPA Substance Registry System | Zirconium silicide (ZrSi2) (12039-90-6) |
Safety information for Zirconium silicide
Computed Descriptors for Zirconium silicide
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