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Key Documents

730777

Sigma-Aldrich

Silver, dispersion

nanoparticles, 100 nm particle size (TEM), 0.02 mg/mL in aqueous buffer, contains sodium citrate as stabilizer

Synonym(s):

Colloidal silver

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About This Item

Linear Formula:
Ag
CAS Number:
7440-22-4
Molecular Weight:
107.87
MDL number:
MFCD00003397
UNSPSC Code:
12352302
PubChem Substance ID:
329764593
NACRES:
NA.23

form

nanoparticles

Quality Level

100

contains

sodium citrate as stabilizer

concentration

0.02 mg/mL in aqueous buffer

refractive index

n20/D 1.333

particle size

100 nm (TEM)

density

0.9978 g/mL at 25 °C

fluorescence

λem 504 nm FWHM 167 nm

storage temp.

2-8°C

SMILES string

[Ag]

InChI

1S/Ag

InChI key

BQCADISMDOOEFD-UHFFFAOYSA-N

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General description

The silver nanoparticles with a particle size of 100nm and refractive index of 1.33, have unique properties such as high electronic conductivity, a large surface area, and a narrow fluorescence spectrum, making them suitable for a range of applications. They are widely used in the field of drug delivery systems, imaging probes, diagnostic platforms, and energy storage devices.

Application

  • Silver as acrolein hydrogenation catalyst: intricate effects of catalyst nature and reactant partial pressures.: This study explores the use of silver as a catalyst for acrolein hydrogenation, highlighting the complex effects of catalyst nature and the partial pressures of reactants, which could inform future applications in industrial chemical processes (Bron et al., 2007).
  • Surface-enhanced Raman analysis of sulfa drugs on colloidal silver dispersion.: This research discusses the application of surface-enhanced Raman spectroscopy (SERS) using colloidal silver dispersions for analyzing sulfa drugs, potentially enhancing detection methods in pharmaceutical research (Sutherland et al., 1990).

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Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP2839
MKCP2836
MKCN2257
MKCK7625
MKCH0194

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Articles

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A key challenge for nanomaterial safety assessment is the ability to handle the large number of newly engineered nanomaterials (ENMs), including developing cost-effective methods that can be used for hazard screening.

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Silver nanomaterials have unique physical, chemical, and optical properties that are currently being leveraged for a wide variety of biological applications.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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