Silicon dioxide

• Product NameSilicon dioxide
  CAS No.14464-46-1
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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