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Silica gel Inorganic Sorbent

Name: Silica gel Inorganic Sorbent
Brand: SIAL

high-purity grade (Davisil Grade 636), 35-60 mesh

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About This Item

CAS Number:

112926-00-8

EC Number:

231-545-4

MDL number:

MFCD00011232

UNSPSC Code:

12352309

PubChem Substance ID:

24854190

NACRES:

SB.52

product name

Silica gel, high-purity grade (Davisil Grade 636), pore size 60 Å, 35-60 mesh particle size

grade

high-purity grade (Davisil Grade 636)

Quality Level

100

Agency

suitable for EPA 601

Assay

≥99%

form

powder

manufacturer/tradename

Davisil^®

technique(s)

LPLC: suitable

surface area

480 m²/g

matrix

Silica

matrix active group

silica

particle size

250-500 μm
35-60 mesh

pore size

0.75 cm³/g pore volume
60 Å

pH

6.5 (5% in slurry)

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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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 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

Chromatographic Separation: Silica gel is widely used as a stationary phase in chromatography for the separation of various chemical compounds. Innovations in silica gel modification, such as pentabromobenzyl group-modified silica gel, have enhanced the separation efficiency for metabolites like nicotinamide. This application is critical for pharmaceutical analysis and metabolomics studies, providing high precision and accuracy in the quantification of biologically relevant molecules (Ozaki et al., Analytical Biochemistry, 2022).

Environmental Pollutant Detection: Silica gel is used to create molecularly imprinted polymers (MIPs) that selectively recognize and bind environmental pollutants. A notable application involves the embedding of quantum dots in molecularly imprinted silica gel to detect aminoimidazo-azaarenes (AIAs) in food samples. This method offers high selectivity and sensitivity, making it a powerful tool for food safety and environmental monitoring (Qiao et al., Current Analytical Chemistry, 2021).

Legal Information

Davisil is a registered trademark of W.R. Grace & Co.-Conn.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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)