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Silica gel

SIAL/60736 - high-purity grade, 40, 35-70 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
45-60736-1KG 1 kg
$230.00
1/EA
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bp 2230 °C
form powder or crystals
grade for column chromatography
  high-purity grade
InChI 1S/O2Si/c1-3-2
InChI key VYPSYNLAJGMNEJ-UHFFFAOYSA-N
matrix Silica
matrix active group silica
mp >1600 °C
particle size 0.2-0.5 mm (35-70 mesh ASTM)
  35-70 mesh
pore size 90 Å mean pore size
Quality Level 100 
separation technique hydrophilic interaction (HILIC)
SMILES string O=[Si]=O
surface area 350 m2/g
technique(s) LPLC: suitable
Application: It has been used for the solid phase extraction (SPE) fractionation of organohalogen compounds in biological organ tissues. Silica gel column may be employed for the clean-up procedures in multiresidue methods of pesticide analyses and as a support for the fabrication of pentachlorophenol (PCP)-imprinted functionalized sorbents for the analysis of trace pentachlorophenol in water samples by SPE combined with high performance liquid chromatography (HPLC).
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 23201100

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