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Silica gel

SIAL/60740 - high-purity grade (puriss), pore size 60 Å, 70-230 mesh, for column chromatography

CAS Number: 112926-00-8
EC Number: 231-545-4
MDL Number: MFCD00011232
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-60740-500G 500 g
$417.00
1/EA
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anion traces chloride (Cl-): ≤100 mg/kg
  nitrate (NO3-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
bp 2230 °C
cation traces Cu: ≤5 mg/kg
  Fe: ≤20 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
description

activity acc. to Brockmann and Schodder 2 - 3

form powder
grade high-purity grade (puriss)
InChI 1S/O2Si/c1-3-2
InChI key VYPSYNLAJGMNEJ-UHFFFAOYSA-N
manufacturer/tradename Sigma-Aldrich
matrix Silica
matrix active group silica
mp >1600 °C
particle size 63-200 μm
  70-230 mesh
pH 6.0-7.5 (25 °C, 10% in H2O)
pore size 0.8 cm3/g pore volume
  60 Å
Quality Level 100 
separation technique hydrophilic interaction (HILIC)
SMILES string O=[Si]=O
surface area 500 m2/g
technique(s) LPLC: suitable
Application: Silica gel may be used in separation of single-walled carbon nanotube (SWNT) by simple filtration.
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 leading to form 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
RIDADR NONH for all modes of transport
WGK Germany nwg
Flash Point(F) Not applicable
Flash Point(C) Not applicable
bp 2230 °C
mp >1600 °C
UNSPSC 12352309

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