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Silica gel Inorganic Sorbent

Name: Silica gel Inorganic Sorbent
Brand: SIAL

high-purity grade (7749), 360-2500 mesh

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About This Item

CAS Number:

112926-00-8

UNSPSC Code:

12352309

PubChem Substance ID:

24861409

NACRES:

NB.21

EC Number:

231-545-4

MDL number:

MFCD00011232

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Product Name

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

grade

high-purity grade (7749)

Quality Level

100

form

powder

manufacturer/tradename

EMD Millipore^®

technique(s)

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

matrix

Silica

matrix active group

silica

particle size

5-40 μm

pore size

- cm³/g pore volume, 60 Å pore size

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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Analytical Chromatography

LPLC Media & Accessories

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 fragmentationresultibng 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 to compare MCM-41 type mesoporous adsorbents.

Legal Information

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

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Dissipative water intrusion in hydrophobic MCM-41 type materials.

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.

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)

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)

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