Silicio biossido, molto disperso

- SiO2
- M = 60,08 g/mol
- CAS [7631-86-9]
- EINECS-No.: 231-545-4
- Solub. in water: (20 ºC): insoluble
- Melting point: 1726 ºC
- LD 50 (oral, rat): > 10000 mg/kg
- Tariff number: 2811 22 00 90
- Applications: painting, in the coating industry, in the rubber industry, manufacture of adhesives, manufacturing of inks, cosmetics, in food industry.

SPECIFICATIONS
assay (on dried sample): min. 99,8 %
specific surface area (BET) : 200 ± 25 m2/g
HCl content : max. 0,025 %
pH (4 %, H2O): 3,7 - 4,7
aluminium (as Al2O3) : max. 0,05 %
iron (as Fe2O3) : max. 0,003 %
titanium (as TiO2) : max. 0,03 %
loss on drying (195 °C) : max. 1,5 %