Synonym: Silica, Silicic anhydride, Silicon dioxide amorphous, Silicon dioxide
CAS Number: 112945-52-5
Linear Formula: SiO2
Molecular Weight: 60.08
MDL Number: MFCD0011232
PubChem Substance ID: 24899637
Features and Benefits
Has interesting thickening and thixotropic properties, and an enormous external surface area.
Other Notes
Particle sizes are for primary particles, which form branched, chain-like aggregates a few tenths of a micron long.
Packaging
25, 100 g in poly bottle; 500 g in poly drum
Form: powder
Refractive Index: n20/D 1.46(lit.)
Particle Size: 0.007 μm
Surface Area: 395 m2/g±25 m2/g
Density: 2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
Cation Traces: metal ions:, practically free