Silica, fumed
powder, 0.2-0.3 μm avg. part. size (aggregate)
DOWNLOAD MSDS (PDF)Synonym: Silica, Silicic anhydride, Silicon dioxide amorphous, Silicon dioxide
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CAS Number 112945-52-5
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Linear Formula SiO2
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Molecular Weight 60.08
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MDL number MFCD00011232
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PubChem Substance ID 24899656
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Popular Documents: Product Information Sheet (PDF)
Properties
| Related Categories | Chemical Synthesis, Materials Science, Metal and Ceramic Science, Oxides, Reagents, |
| form | powder |
| refractive index |
n |
| avg. part. size | 0.2-0.3 μm (aggregate) |
| surface area | 200 m2/g±25 m2/g |
| density | 2.3 lb/cu.ft at 25 °C (bulk density)(lit.) |
Description
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
100 g in poly bottle
500 g in poly drum
Price and Availability
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