10279-57-9

Basic information

• Product Name: SILICA
• Synonyms: 1343-98-2silicicacid;Silicondioxide,formingfilmc;BEADS BASED ON SILICIUM DIOXIDE, MICROSIZE;BAKER SAND;BLUE GEL DESICCANT;BLUE SILICA GEL;BLUE GEL;INFUSORIAL EARTH
• CAS NO: 10279-57-9
• Molecular Formula: O2Si
• Molecular Weight: 60.08
• EINECS: 238-878-4
• Product Categories: Inorganics;photoazide;Silicone Series
• Mol File: 10279-57-9.mol
• Article Data: 56

Chemical Properties

• Melting Point: 1610 °C(lit.)
• Boiling Point: >100 °C(lit.)
• Appearance: /tablets (~0.5 g each)
• Density: 2.6 g/mL at 25 °C(lit.)
• Refractive Index: n20/D 1.544(lit.)
• Storage Temp.: 2-8°C
• Water Solubility: Insoluble in water.
• CAS DataBase Reference: SILICA(CAS DataBase Reference)
• NIST Chemistry Reference: SILICA(10279-57-9)
• EPA Substance Registry System: SILICA(10279-57-9)

Safety Data

• Hazard Codes: Xn
• Statements: 48/20
• Safety Statements: 22
• WGK Germany: 3
• RTECS: VV7340000
• F: 3
• Hazardous Substances Data: 10279-57-9(Hazardous Substances Data)

Usage

Uses

Typical properties: S.A.250m^2/gSilicon oxide is used as a catalyst support material having a high surface area. It acts as a medium to which catalyst is affixed. Several metals such as platinum, rhodium, ruthenium, silver, copper, nickel, iron, manganese, cobalt, tungsten and gold are supported over silicon dioxide and used as a catalyst in synthetic chemistry for various applications. For example, silica-supported gold catalysts is used for carbon monoxide oxidation by a solution-based technique.

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Related news

Synthesis and anisotropic properties of alumina-SILICA (cas 10279-57-9) aerogels constructed by SILICA (cas 10279-57-9) sols infiltrated into unidirectional frozen alumina templates08/04/2019

Alumina-silica aerogels (ASAs) were firstly prepared by using alumina aerogels as template via ice-template method and then silica sols infiltrated via vacuum impregnation. Fourier transform infrared (FT-IR) spectra, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to inv...detailed

Colloidal stability of SILICA (cas 10279-57-9) and graphite in aqueous suspensions08/03/2019

In order to investigate the effect of surface wettability on colloidal stability, aggregation/dispersion behaviors of fine silica and graphite in aqueous suspensions have been investigated. It was found that hydrophobic graphite particles showed a high aggregation degree in low pH suspensions, w...detailed

Sintered SILICA (cas 10279-57-9) bodies with persistent luminescence08/01/2019

Strong persistent luminescence (PeL) from silica bodies was obtained, for the first time, by sintering silica powder mixed with PeL SrAl2O4:Eu2+,Dy3+ microparticles (MPs). We show that it is not possible to prepare transparent PeL silica glass due to the decomposition of the MPs, which occurs al...detailed

Polysilsesquioxane-based SILICA (cas 10279-57-9) aerogel monoliths with embedded CNTs07/31/2019

Monolithic mechanically reinforced CNTs-silica aerogel composites have been successfully synthesized by two-step sol-gel methodology, using methyltrimethoxysilane as the main silica precursor, combined with an ecofriendly ethanol/water mixture as solvent, and dried at ambient pressure. For an ef...detailed

Removal of arsenic and SILICA (cas 10279-57-9) from geothermal fluid by electrocoagulation07/30/2019

In New Zealand and internationally, two deleterious constituents in geothermal fluids are silica and arsenic. Silica because scaling is a significant limiting factor for effective geothermal energy production and arsenic due to its potential groundwater contamination. Electrocoagulation treatmen...detailed

Growing invisible SILICA (cas 10279-57-9) nanowires on fused SILICA (cas 10279-57-9) plates provides highly transparent and superwetting substrates07/29/2019

Although surface nanostructures greatly influence the optical and wetting properties of transparent materials, preparing such nanostructures efficiently can be challenging because most processes require sophisticated lithography and etching steps. In this study, we developed a simple, yet effect...detailed

Dependence of mesoporous SILICA (cas 10279-57-9) properties on its template07/28/2019

Mesoporous silica has garnered a lot of attention since its discovery and this is due to their interesting properties such as high surface area, tunable pore size and facile functionalization. All these properties can be varied through its templates and synthesis parameters. Two of the most comm...detailed

Fume SILICA (cas 10279-57-9) improves the insulating and mechanical performance of SILICA (cas 10279-57-9) aerogel/glass fiber composite07/27/2019

In this work, we prepared the mechanically strong and highly insulated composite of the silica aerogel/glass fiber by adding fumed silica. The composite was made by acid-base catalyzed tetraethyl orthosilicate sol-gel, to which the fumed silica was added, followed by supercritical CO2 drying tec...detailed

[email protected] catalyst: Porosity of SILICA (cas 10279-57-9) shells switches catalytic reactions07/26/2019

Gold nanoparticles in the cores coated by non-porous silica shells ([email protected]2) and by porous silica shells ([email protected]2) were synthesized and used to catalyze the reduction and oxidation reactions to understand the influence of the structure of silica shells on their catalytic ac...detailed

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