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718483

Sigma-Aldrich

Silica

nanopowder, 99.8% trace metals basis

Synonym(s):

Silicon dioxide

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About This Item

Linear Formula:
SiO2
CAS Number:
7631-86-9
Molecular Weight:
60.08
EC Number:
231-545-4
MDL number:
MFCD00011232
UNSPSC Code:
12352302
PubChem Substance ID:
329763582
NACRES:
NA.23

Quality Level

100

Assay

99.8% trace metals basis

form

nanopowder

surface area

175-225 m2/g , BET

diameter

12 nm

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Application

Silica nanopowder can be used for a variety of applications such as filler material for dental applications, substrate in atomic layer deposition (ALD), and nanoscale insulated additive.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Low thermal conductivity carbon fibrous composite nanomaterial enabled by multi-scale porous structure
Gbewonyo S, et al.
Materials & Design, 134(4), 218-225 (2017)
Atomic layer deposition of stoichiometric Co3O4 films using bis (1, 4-di-iso-propyl-1, 4-diazabutadiene) cobalt
Han B, et al.
Thin Solid Films, 589(4), 718-722 (2015)
Preparation and characterization of a BisGMA-resin dental restorative composites with glass, silica and titania fillers
Thorat S, et al.
Dental Materials Journal, 31(4), 635-644 (2012)
Srivalleesha Mallidi et al.
Nano letters, 9(8), 2825-2831 (2009-07-04)
Gold nanoparticles targeting epidermal growth factor receptor via antibody conjugation undergo molecular specific aggregation when they bind to receptors on cell surfaces, leading to a red shift in their plasmon resonance frequency. Capitalizing on this effect, we demonstrate the efficacy
David M Brown et al.
Toxicology letters, 224(1), 147-156 (2014-01-28)
We investigated the effects of silica particles and nanoparticles (NPs) (50 nm and 200 nm) with a neutral and positively charged surface when dispersed in saline, bovine serum albumin (BSA) or lung lining fluid (LLF) 24 h post instillation into
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