Merck
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S5130

Sigma-Aldrich

Silica, fumed

powder

Sinônimo(s):
Silica, Silicon dioxide, Silicic anhydride, Silicon dioxide amorphous
Fórmula linear:
SiO2
Número CAS:
Peso molecular:
60.08
Número MDL:
ID de substância PubChem:

forma

powder

índice de refração

n20/D 1.46 (lit.)

área da superfície

395 m2/g±25 m2/g

densidade

2.3 lb/cu.ft at 25 °C (bulk density)(lit.)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

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.

Embalagem

25, 100 g in poly bottle
500 g in poly drum

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

13 - Non Combustible Solids

WGK

WGK 2

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificado de análise

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Certificado de origem

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Mais documentos

Quotes and Ordering

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)
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
Melt rheology of organoclay and fumed silica nanocomposites
Ph. Cassagnau
Polymer, 49(9), 2183-2196 (2008)
Tangential flow filtration of haptoglobin.
Pires, et al.
Biotechnology Progress, 36, e3010-e3010 (2020)

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