236802

Silica gel Inorganic Sorbent

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

• Número CAS: 112926-00-8
• Número CE: 231-545-4
• Número MDL: MFCD00011232
• Código UNSPSC: 12352309
• ID de substância PubChem: 24854190
• NACRES: SB.52

Propriedades

• Nome do produto: Gel de sílica, high-purity grade (Davisil Grade 636), pore size 60 Å, 35-60 mesh particle size
• grau: high-purity grade (Davisil Grade 636)
• Nível de qualidade: 100
• Agency: suitable for EPA 601
• Ensaio: ≥99%
• Formulário: powder
• fabricante/nome comercial: Davisil^®
• técnica(s): LPLC: suitable
• área da superfície: 480 m²/g
• Matriz: Silica
• Grupo ativo da matriz: silica
• tamanho de partícula: 250-500 μm; 35-60 mesh
• tamanho de poro: 0.75 cm³/g pore volume; 60 Å
• pH: 6.5 (5% in slurry)
• p.e.: 2230 °C
• pf: >1600 °C
• técnica de separação: hydrophilic interaction (HILIC)
• cadeia de caracteres SMILES: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• chave InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Descrição

Descrição geral

Silica gel is a rigid 3D network of colloidal silica.[1] 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.[2] 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.[1]

Aplicação

• 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).

Informações legais

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

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): nwg
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable