Product Code: 3.1080
Neutronco
Colloidal silicon dioxide (aerosil)200
Formula | O2Si |
Chemical formula | SiO2 |
Molar mass | 60.08 g/mol |
CAS number | 7631-86-9 |
HS Code | 28112200 |
EC number | 231-545-4 |
Storage | at +15 °C to +25 °C |
SDS | available |
S phrase | S 22 |
Odour | odourless |
Form | powder |
Color | white |
p H value | 3.7 – 4.7 (40 g/l 25°C) |
Solubility in water | ~0.15 g/l (25°C) |
Melting point | 1726 °C |
Thermal decomposition | >2000 °C |
Assay | 99.0 – 100.5 | % | |
Description | Conforms | ||
Identification | Conforms | ||
Solubility | Conforms | ||
Loss on ignition | ≤ | 2.0 | % |
Heavy metals | ≤ | 0/0008 | % |
p H | 3.5 – 5.5 | ||
Loss on drying | ≤ | 2/5 | % |