12479
Silica gel Inorganic Sorbent
technical grade (w/ Ca, ~0.1%), 230-400 mesh
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About This Item
CAS Number:
UNSPSC Code:
23201100
PubChem Substance ID:
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
Product Name
Silica gel, technical grade (w/ Ca, ~0.1%), 60Å, 230-400 mesh particle size, Ca 0.1-0.3 %
grade
technical grade (w/ Ca, ~0.1%)
Quality Segment
description
activity acc. to Brockmann and Schodder 2 - 3
form
powder
composition
Ca, 0.1-0.3%
manufacturer/tradename
Sigma-Aldrich
technique(s)
LPLC: suitable
surface area
500 m2/g , approx.
matrix
Silica
matrix active group
silica
particle size
230-400 mesh, 40-63 μm
pore size
60 Å mean pore size
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, highly porous textured matrix are generally used for synthesis of adsorbents. They are corpuscular in structure. Silica surface possess a layer of hydroxyl groups and adsorbed water molecules, which can be removed by drying at high temperature or even by treatment with suitable reagents. Silica gel surface plays important role in catalysis, chemical separation and microelectronic fabrications.
Application
- Silica gel was used on glass plates for preparative TLC and on aluminium sheets for analytical TLC.
- Silica gel was used in vacuum chromatography and TLC.
- Silica gel was used in column chromatography.
Analysis Note
May contain insoluble matter and traces of process residues. Should be washed with solvent prior to use.
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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