Cristobalite (SiO2)
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Molecular Structure
Other Information
- CAS Registry Number: 14464-46-1
- Melting Point: 1610 °C(lit.)
- Flash Point: °C
- Boiling Point: >100 °C(lit.)
- Density: 2.6 g/mL at 25 °C(lit.)
- Refractive index: 20/D 1.544(lit.)
- Safety Statements: Confirmed carcinogen with experimental carcinogenic and tumorigenic data. Poison by intratracheal route. An inhalation hazard. Human systemic effects by inhalation: cough, dyspnea, fibrosis. About twice as toxic as silica in causing silicosis. See also SILICA, AMORPHOUS FUME; SILICA, AMORPHOUS FUMED; SILICA, AMORPHOUS HYDRATED; SILICA, CRYSTALLINE; SILICA, CRYSTALLINE–QUARTZ; SILICA, CRYSTALLINE–TRIDYMITE; SILICA FLOUR; SILICA, FUSED; SILICA, GEL and AMORPHOUS–PRECIPITATED.Analytical Methods: For occupational chemical analysis use OSHA: #ID-125G or NIOSH: Silica, Crystalline (XRD), 7500; (Color), 7601; (IR), 7602.
- Hazard Symbols: Xn: Harmful;
- Flash Point: °C
- EINECS: 238-455-4
- Molecular Weight: 60.0843
- InchiKey: VYPSYNLAJGMNEJ-UHFFFAOYSA-N
- InChI: InChI=1S/O2Si/c1-3-2
- Risk Statements: 48/20
- Molecular Formula: O2Si
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