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391484

Supelco

Silica gel

high-purity grade (7734), pore size 60 Å, 70-230 mesh

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

grade

high-purity grade (7734)

Quality Level

form

powder

manufacturer/tradename

EMD Millipore®

technique(s)

LPLC: suitable

surface area

550 m2/g

matrix

Silica

matrix active group

silica

particle size

63-200 μm
70-230 mesh

pore size

~0.8 cm3/g pore volume
60 Å

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
403598227196346446
Silica gel high-purity grade (7734), pore size 60 Å, 70-230 mesh

Supelco

391484

Silica gel

Silica gel high-purity grade (7754), pore size 60 Å, 70-230 mesh

Supelco

403598

Silica gel

Silica gel high-purity grade (9385), pore size 60 Å, 230-400 mesh particle size

Supelco

227196

Silica gel

Silica gel high-purity grade (7749), with gypsum binder and fluorescent indicator, suitable for thin layer chromatography (TLC)

Supelco

346446

Silica gel

manufacturer/tradename

EMD Millipore®

manufacturer/tradename

EMD Millipore®

manufacturer/tradename

EMD Millipore®

manufacturer/tradename

EMD Millipore®

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable, thin layer chromatography (TLC): suitable

matrix

Silica

matrix

Silica

matrix

Silica

matrix

Silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

particle size

63-200 μm, 70-230 mesh

particle size

63-200 μm, 70-230 mesh

particle size

230-400 mesh, 40-63 μm

particle size

5-40 μm

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 resulting in the formation of 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 was used as an adsorbent to separate compounds by chromatography. It was used to compare MCM-41 type mesoporous adsorbents.
It may be used in the synthesis of the following:
  • Silica gel-immobilized-dithioacetal derivatives.
  • Piperazino silica reagent for removing 9-fluorenylmethyloxycarbonyl amino protecting group.
  • Polysiloxanes silica hybrids.

Legal Information

EMD Millipore is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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1000309185

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Branched functionalised polysiloxane-silica hybrids for immobilisation of catalysts.
Rozga-Wijas, K, et al.
Journal of Materials Chemistry, 13(9), 2301-2310 (2003)
Piperazino-functionalized silica gel as a deblocking-scavenging agent for the 9-fluorenylmethyloxycarbonyl amino-protecting group.
Carpino LA, et al.
The Journal of Organic Chemistry, 48(5), 666-669 (1983)
Nonlinear absorption properties of some 1, 4, 8, 11, 15, 18, 22, 25-octaalkylphthalocyanines and their metallated derivatives.
Auger A, et al.
Journal of Materials Chemistry, 13(5), 1042-1047 (2003)
Silica gel-immobilized-dithioacetal derivatives as potential solid phase extractors for mercury (II).
Mahmoud ME and Gohar GA.
Talanta, 51(1), 77-87 (2000)
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.

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