S5130
Silica, fumed
powder
Sinônimo(s):
Silica, Silicic anhydride, Silicon dioxide, Silicon dioxide amorphous
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About This Item
Fórmula linear:
SiO2
Número CAS:
Peso molecular:
60.08
Número MDL:
Código UNSPSC:
12352300
ID de substância PubChem:
NACRES:
NA.23
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Formulário
powder
área da superfície
395 m2/g (±25 m2/g)
índice de refração
n20/D 1.46 (lit.)
densidade
2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
cadeia de caracteres SMILES
O=[Si]=O
InChI
1S/O2Si/c1-3-2
chave InChI
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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Descrição geral
Fumed silica may be synthesized by high temperature hydrolysis of SiCl4 in O2(N2)/H2 flame. It is amorphous in nature and possesses very high specific area. The micro droplets of amorphous silica fuse into a branch and form a chain like agglomerate.
Aplicação
Fumed silica is used to deplete lipids and hormones in Taqman assays of human hepatoma cells HuH-7 and human liver cell line HepG2. Preparation of epoxidized natural rubber/fumed silica composites have been reported. Interaction of Gemini surfactant C12-s-C122Br with aqueous suspension of fumed silica has been studied. Fumed silica based nanocomposites reinforced with organo clay may be prepared. TiO2/fumed silica porous ceramic material was used to prepare photocatalytic materials.
Características e benefícios
Has interesting thickening and thixotropic properties, and an enormous external surface area.
Outras notas
Particle sizes are for primary particles, which form branched, chain-like aggregates a few tenths of a micron long.
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 2
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
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Interaction Between Fumed-Silica and Epoxidized Natural Rubber
Luo YY, et al.
Journal of Inorganic and Organometallic Polymers and Materials, 21(4), 777-783 (2011)
Zheng O, et al.
Energy Procedia, 16 Part B, 1211-1219 (2012)
Melt rheology of organoclay and fumed silica nanocomposites
Ph. Cassagnau
Polymer, 49(9), 2183-2196 (2008)
Preparation and properties of TiO2/fumed silica composite photocatalytic materials
Yu Y, et al.
Procedia Engineering, 27, 448-456 (2012)
Petra Thulin et al.
International journal of molecular medicine, 21(6), 819-824 (2008-05-29)
The peroxisome proliferator-activated receptor delta (PPARdelta) is a transcription factor that regulates genes of importance in lipid and glucose metabolism. ApoA-II is one of the major proteins of the HDL-particle. The aim of this study was to investigate the regulation
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