Silicon dioxide
Names
[ CAS No. ]:
10279-57-9
[ Name ]:
Silicon dioxide
[Synonym ]:
Dioxosilane
Cristobalite
Silane, dioxo-
Chemical & Physical Properties
[ Density]:
2.6 g/mL at 25ºC(lit.)
[ Boiling Point ]:
1610ºC(lit.)
[ Melting Point ]:
>100ºC(lit.)
[ Molecular Formula ]:
O2Si
[ Molecular Weight ]:
60.084
[ Exact Mass ]:
59.966755
[ PSA ]:
34.14000
[ Appearance of Characters ]:
tablets (~0.5 g each)
[ Index of Refraction ]:
n20/D 1.544(lit.)
[ Storage condition ]:
2-8°C
Safety Information
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
48/20
[ Safety Phrases ]:
22
[ WGK Germany ]:
3
[ RTECS ]:
VV7340000