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938270

Sigma-Aldrich

Silica

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mesoporous, 100 μm particle size, pore size ~40 Å

Synonym(s):

Mesoporous Silica with 100 µm particle size, Pore size ~40 Å, Silicon dioxide

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About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
UNSPSC Code:
12352309

form

mesoporous
powder

Quality Level

particle size

100 μm

pore size

~40 Å pore size

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

Mesoporous silica is an amorphous silicon dioxide-based material with nanosized pores, which imparts the material with a large surface area. Our Silica, mesoporous, 100 µm particle size, pore size ~40A is engineered to achieve an average pore size of 40 Å. The particles possess excellent chemical and thermal stability, facilitating their use in a variety of harsh environments.

Application

Mesoporous silica particles are used widely in the biomedical field due to their easily tunable structure and composition, diverse surface functionalization properties, and excellent biocompatibility. Our 100 µm silica particles with a pore size ~40A product are suitable for studies as an adsorbents for the removal of contaminants or pollutants from water or air. The porous structure enables efficient adsorption of specific molecules or ions and hence can also be employed in separation processes, such as gas separation or chromatography.[1] Mesoporous silica is also used as a support in heterogeneous catalysis. The particles can be impregnated with noble metals or base metals, for example by treating a suspension of the mesoporous silica with a solution of a precatalyst and activating the catalyst by a treatment such as calcination, reduction, or chemical activation.

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

STOT RE 1 Inhalation

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Recent advances in the applications of mesoporous silica in heterogeneous catalysis
Yu X, et al.
Catalysis Science & Technology, 12, 5765-5794 (2022)
Effects of mesoporous silica particle size and pore structure on the performance of polymer-mesoporous silica mixed matrix membranes
Wang J, et al.
Royal Society of Chemistry Advances, 11(58), 36577-36586 (2021)

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