MilliporeSigma
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60741

Supelco

Silica gel

high-purity grade, average pore size 60 Å (52-73 Å), 70-230 mesh, 63-200 μm, for column chromatography

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

grade

high-purity grade

Quality Level

description

activity acc. to Brockmann and Schodder 2 - 3

form

powder or crystals

manufacturer/tradename

Sigma-Aldrich

technique(s)

LPLC: suitable

matrix

Silica

matrix active group

silica

particle size

63-200 μm
70-230 mesh

pore size

0.7-0.85 cm3/g pore volume
60 Å average pore size (52-73 Å)

surface area

470-530 m2/g

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.

Packaging

1 kg in poly bottle
5, 25 kg in poly drum

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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