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53698

Supelco

Silica gel spherical

40-75 μm particle size

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Synonym(s):
Silica gel
CAS Number:
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
SB.52

grade

high-purity grade

Quality Level

form

powder

manufacturer/tradename

Sigma-Aldrich

technique(s)

LPLC: suitable

surface area

450-550 m2/g

loss

~5% loss on drying

matrix

Silica

matrix active group

silica

particle size

200-400 mesh
40-75 μm

pore size

0.7-0.9 cm3/g pore volume
60 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

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1 of 4

This Item
607526074160737
Silica gel spherical 40-75 μm particle size

Supelco

53698

Silica gel spherical

Silica gel high-purity grade (w/ Ca, ~0.1%), pore size 60 Å, 230-400 mesh particle size

Supelco

60752

Silica gel

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

Supelco

60741

Silica gel

Silica gel high-purity grade, pore size 60 Å, 230-400 mesh particle size, 40-63 μm particle size, for flash chromatography

Supelco

60737

Silica gel

manufacturer/tradename

Sigma-Aldrich

manufacturer/tradename

Sigma-Aldrich

manufacturer/tradename

Sigma-Aldrich

manufacturer/tradename

Sigma-Aldrich

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

loss

~5% loss on drying

loss

-

loss

-

loss

-

matrix

Silica

matrix

Silica

matrix

Silica

matrix

Silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

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.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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T Martin et al.
Chemical communications (Cambridge, England), (1)(1), 24-25 (2002-07-18)
Texture-related features of water intrusion in hydrophobised MCM-41 silicas render these materials especially suitable for energy dissipation in mechanical dampers.
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)
A simple method for production of pure silica from rice hull ash
Kalapathy, U., A. Proctor, and J. Shultz.
Bioresource Technology, 73, 257-262 (2000)

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