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421553

Sigma-Aldrich

Silica

Synonym(s):

SYTON® HT-50C, Silicon dioxide

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About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

form

colloidal

Quality Level

pH

9.9

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

density

1.356 g/mL at 25 °C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Legal Information

SYTON is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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
Richard Hayes et al.
Journal of chromatography. A, 1357, 36-52 (2014-05-27)
The challenges in HPLC are fast and efficient separation for a wide range of samples. Fast separation often results in very high operating pressure, which places a huge burden on HPLC instrumentation. In recent years, core-shell silica microspheres (with a
Fabrice Gritti et al.
Journal of chromatography. A, 1342, 24-29 (2014-04-17)
The advantages of using columns packed with stationary phases having a composition gradient so that retention factors increase toward the outlet and eluting them with an isocratic mobile phase may provide increased peak resolution in liquid chromatography. This approach is
Alexandra I Lupulescu et al.
Science (New York, N.Y.), 344(6185), 729-732 (2014-05-17)
The growth mechanism of silicalite-1 (MFI zeolite) is juxtaposed between classical models that postulate silica molecules as primary growth units and nonclassical pathways based on the aggregation of metastable silica nanoparticle precursors. Although experimental evidence gathered over the past two

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