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Silica glass Structure

Silica glass

Chemical Properties

Melting point 1610 °C(lit.)
Boiling point >100 °C(lit.)
Density  2.6 g/mL at 25 °C(lit.)
refractive index  n20/D 1.544(lit.)
storage temp.  no restrictions.
form  tablets (~0.5 g each)
Water Solubility  Insoluble in water.
Exposure limits NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3
InChI InChI=1S/O2Si.H2O/c1-3-2;/h;1H2
InChIKey LRCFXGAMWKDGLA-UHFFFAOYSA-N
SMILES [Si](=O)=O.O
EWG's Food Scores 1
FDA UNII Y6O7T4G8P9
EPA Substance Registry System Silica, hydrate (10279-57-9)

Safety

Hazard Codes  Xn
Risk Statements  48/20
Safety Statements  22
WGK Germany  3
RTECS  VV7340000
3
HS Code  2811 22 00
Toxicity LD50 orally in Rabbit: > 10000 mg/kg LD50 dermal Rabbit > 5000 mg/kg
NFPA 704:
0
1 0

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Silica glass Chemical Properties,Usage,Production

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