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S5255 Sigma

Silica, fumed

powder, 0.008 μm

Synonym: Silica, Silicic anhydride, Silicon dioxide amorphous, Silicon dioxide

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Properties

InChI Key   VYPSYNLAJGMNEJ-UHFFFAOYSA-N
form   powder
refractive index   n20/D 1.46(lit.)
particle size   0.008 μm
surface area   325 m2/g±25 m2/g
density   2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
cation traces   metal ions:, practically free

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.

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
VV7310000
Protocols & Articles
Peer-Reviewed Papers
15

References

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S5130 Silica, fumed, powder

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