78991
Silica gel Inorganic Sorbent
spherical, 70-200 mesh
Synonym(s):
Silica gel
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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 spherical, 75-200 μm particle size
grade
high-purity grade
Quality Level
form
powder
manufacturer/tradename
Sigma-Aldrich
technique(s)
LPLC: suitable
surface area
250-350 m2/g
loss
~5% loss on drying
matrix
Silica
matrix active group
silica
particle size
75-200 μm
pore size
0.7-0.9 cm3/g pore volume, 110 Å pore size
pH
~7 (5% in H2O, suspension)
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
High purity grade silica gel offers the lowest moisture content, tightest particle size distribution, minimal impurities and greatest lot-to-lot consistency which results in greater reproducibility of the separation process. It is useful for all types of low pressure, medium pressure, and flash column chromatography. It can be applied to the clean-up and purification of a wide range of synthetic and natural compounds. A spherical particle shape results in more homogenous packing characteristics, providing sharper peak adsorption and elution curve.
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 78991-100G | 04061832912738 |
| 78991-1KG | 04061826148778 |
| 78991-5KG | 04061832912745 |