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Silice

Name: Silice
Brand: ALDRICH

nanopowder, 10-20 nm particle size (BET), 99.5% trace metals basis

Synonyme(s) :

Dioxyde de silicium

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About This Item

Formule linéaire :

SiO₂

Numéro CAS:

7631-86-9

Poids moléculaire :

60.08

Numéro CE :

231-545-4

Numéro MDL:

MFCD00011232

Code UNSPSC :

12352302

ID de substance PubChem :

24882839

Nomenclature NACRES :

NA.23

Pureté

99.5% trace metals basis

Forme

nanopowder

Taille des particules

10-20 nm (BET)

Point d'ébullition

2230 °C (lit.)

Pf

>1600 °C (lit.)

Densité

2.2-2.6 g/mL at 25 °C

Masse volumique apparente

0.011 g/mL

Chaîne SMILES

O=[Si]=O

InChI

1S/O2Si/c1-3-2

Clé InChI

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Description générale

The refractive index of silica nanoparticles is similar to polymeric coatings, so it finds several applications in the preparations of nanocomposites. Properties suh as, thermal resistance, electrical and mechanical are enhanced. Silica nanoparticles find uses in various fields of catalysts, pigment stabilization, electronics and sensors.

Application

Silica nanoparticles have been used :

To study the nonlinear optical properties of SiO₂ nanocomposites in weak optical fields.
As a nanoadditive in nanocomposite calcium alginate fibers.
As dispersant in liquid polymethylsiloxane to exihibit unique optical non linearity in low intensity visible radiation fields.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

APS-silane modification of silica nanoparticles: effect of treatm,ent's variables on the grafting content and colloidal stability of nanoparticles

Journal of Coatings Technology and Research, 11(4), 651-660 (2014)

Nanocomposite calcium alginate fibres containing SiO2 and bioglass

Bogun M, et al.

Spine, 12, 18-18 (2010)

Unusual nonlinear optical properties of SiO2 nanocomposite in weak optical fields

Milichko VA, et al.

Applied Physics. A, Materials Science & Processing, 111(1), 319-322 (2013)

The role of ATF3 in ZnO nanoparticle-induced genotoxicity and cytotoxicity in bronchial epithelial cells.

Saisai Wei et al.

The international journal of biochemistry & cell biology, 113, 95-102 (2019-06-21)

ZnO nanoparticle (ZnO NP) exposure causes oxidative stress in the respiratory system, leading to pulmonary damage. Activating transcription factor 3 (ATF3) participates in a variety of cellular stress responses. However, the role of ATF3 in ZnO NP genotoxicity and cytotoxicity

Food web structure in oil sands reclaimed wetlands.

K E Kovalenko et al.

Ecological applications : a publication of the Ecological Society of America, 23(5), 1048-1060 (2013-08-24)

Boreal wetlands play an important role in global carbon balance. However, their ecosystem function is threatened by direct anthropogenic disturbance and climate change. Oil sands surface mining in the boreal regions of Western Canada denudes tracts of land of organic

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