236810
Silica gel Inorganic Sorbent
high-purity grade (Davisil Grade 643), 200-425 mesh
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Número CAS:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
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Permítanos ayudarleNombre del producto
Gel de sílice, high-purity grade (Davisil Grade 643), pore size 150 Å, 200-425 mesh
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
grade
high-purity grade (Davisil Grade 643)
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)
Quality Level
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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.
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.
Clase de almacenamiento
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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