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60745

Supelco

Silica gel

high-purity grade, 90Å, 70-230 mesh, for column chromatography

CAS Number:
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
SB.52

grade

for column chromatography
high-purity grade

Quality Level

form

powder or crystals

technique(s)

LPLC: suitable

matrix

Silica

matrix active group

silica

particle size

0.063-0.200 mm (70-230 mesh ASTM)
70-230 mesh

pore size

90 Å mean pore size

surface area

500 m2/g (approx.)

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

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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

Application

Silica gel may be used in separation of single-walled carbon nanotube (SWNT) by simple filtration.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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