391484
Silica gel Inorganic Sorbent
high-purity grade (7734), 70-230 mesh
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About This Item
CAS Number:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
Product Name
Silica gel, high-purity grade (7734), pore size 60 Å, 70-230 mesh
grade
high-purity grade (7734)
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
63-200 μm, 70-230 mesh
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
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 as an adsorbent to separate compounds by chromatography. It was used to compare MCM-41 type mesoporous adsorbents.
It may be used in the synthesis of the following:
It may be used in the synthesis of the following:
- Silica gel-immobilized-dithioacetal derivatives.
- Piperazino silica reagent for removing 9-fluorenylmethyloxycarbonyl amino protecting group.
- Polysiloxanes silica hybrids.
Legal Information
EMD Millipore is a registered trademark of Merck KGaA, Darmstadt, Germany
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Piperazino-functionalized silica gel as a deblocking-scavenging agent for the 9-fluorenylmethyloxycarbonyl amino-protecting group.
Carpino LA, et al.
The Journal of Organic Chemistry, 48(5), 666-669 (1983)
Nonlinear absorption properties of some 1, 4, 8, 11, 15, 18, 22, 25-octaalkylphthalocyanines and their metallated derivatives.
Auger A, et al.
Journal of Materials Chemistry, 13(5), 1042-1047 (2003)
Silica gel-immobilized-dithioacetal derivatives as potential solid phase extractors for mercury (II).
Mahmoud ME and Gohar GA.
Talanta, 51(1), 77-87 (2000)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 391484-5KG | 04061838513267 |
| 391484-100G | 04061838513243 |
| 391484-1KG | 04061838513250 |
| 391484-25KG | 04061832912431 |