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805890

Sigma-Aldrich

Silica

mesoporous, 0.5 μm particle size, pore size ~2 nm

Synonym(s):
Porous Silica, Silicon dioxide
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.9% trace metals basis

form

powder

particle size

0.4-0.6 μm (SEM)
0.5 μm

pore size

0.1-0.3 cm3/g pore volume
~2 nm pore size

surface area

900-1100 m2/g

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Silica mesoporous, 0.5 μm particle size, pore size ~2 nm

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Silica mesoporous, 2 μm particle size, pore size ~2 nm

Sigma-Aldrich

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Silica

assay

99.9% trace metals basis

assay

-

assay

99.99% trace metals basis

assay

99.9% trace metals basis

form

powder

form

mesoporous, powder

form

powder

form

mesoporous, powder

particle size

0.4-0.6 μm (SEM), 0.5 μm

particle size

0.4-0.6 μm (SEM), 0.5 μm

particle size

1 μm

particle size

2 μm

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

pore size

0.1-0.3 cm3/g pore volume

pore size

0.2-0.4 cm3/g pore volume, 3.5-4.5 nm pore diameter, ~4 nm pore size

pore size

0.1-0.3 cm3/g pore volume, 1.9-2.3 nm pore diameter, ~2 nm pore size

pore size

0.1-0.3 cm3/g pore volume, ~2 nm pore size

surface area

900-1100 m2/g

surface area

300-400 m2/g

surface area

-

surface area

900-1100 m2/g

Application

Mesoporous silicas are inorganic materials that have porous structures and find applications in chromatography, catalysis, drug delivery and imaging.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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