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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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ3096
MKCM3689
MKCG7692
MKCD7990
MKBT7338V

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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)
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)
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
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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Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, catalyst supports, separation media, carriers in food and agriculture, and abrasive/anticaking agents in cosmetics. It is also widely believed to be an important material for biomedical applications for following reasons.

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