227196
Silica gel
high-purity grade (9385), pore size 60 Å, 230-400 mesh particle size
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About This Item
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
SB.52
Recommended Products
grade
high-purity grade (9385)
Quality Level
form
powder
manufacturer/tradename
EMD Millipore®
technique(s)
LPLC: suitable
surface area
550 m2/g
matrix
Silica
matrix active group
silica
particle size
230-400 mesh
40-63 μm
pore size
~0.8 cm3/g pore volume
60 Å
bp
2230 °C
mp
>1600 °C
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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General description
Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation resulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction
Application
Silica gel was used to compare MCM-41 type mesoporous adsorbents.
Suitable for low- and medium-pressure liquid chromatography.
Legal Information
EMD Millipore is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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