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236810

Supelco

Silica gel Inorganic Sorbent

high-purity grade (Davisil Grade 643), 200-425 mesh

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CAS Number:
112926-00-8
EC Number:
231-545-4
MDL number:
MFCD00011232
UNSPSC Code:
12352309
PubChem Substance ID:
24854191
NACRES:
SB.52

product name

Silica gel, high-purity grade (Davisil Grade 643), pore size 150 Å, 200-425 mesh

grade

high-purity grade (Davisil Grade 643)

Quality Level

100

Assay

≥99%

form

powder

manufacturer/tradename

Davisil®

technique(s)

LPLC: suitable

surface area

300 m2/g

matrix

Silica

matrix active group

silica

particle size

200-425 mesh
35-70 μm

pore size

1.15 cm3/g pore volume
150 Å

pH

7.0 (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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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

  • Flexible and Compressible Nanostructure-Assembled Aramid Nanofiber/Silica Composites Aerogel: This study explores the development of flexible and compressible silica-based aerogels, highlighting their potential in lightweight construction and thermal insulation applications, particularly useful for research in material science and industrial manufacturing (Zhang et al., 2024).
  • Factors Affecting Silica/Cellulose Nanocomposite Prepared via the Sol-Gel Technique: A Review: This review discusses the synthesis of silica/cellulose nanocomposites using the sol-gel method, emphasizing the impact of various factors on the material properties, relevant for researchers in materials science and environmental applications (Shange et al., 2024).
  • Rational synthesis of methylsilsesquioxane aerogels addressing thermal load and compression recovery issues in Li-ion batteries: This research presents the development of silica aerogels for use in enhancing the safety and efficiency of lithium-ion batteries, crucial for researchers in energy storage and industrial applications (Li et al., 2024).
  • Isolation, characterization, identification and quantification of 6-F oxyphenisatin dipropionate, a novel illegal additive, from a fruit-flavored jelly: Demonstrating the use of silica gel in chromatographic techniques for detecting illegal additives in food products, this study is vital for food safety and environmental testing laboratories (Xia et al., 2024).

Legal Information

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

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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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.
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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