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Merck
CN

576832

Silver

nanopowder, <100 nm particle size, contains PVP as dispersant, 99.5% trace metals basis

Synonym(s):

Colloidal nano silver, Colloidal silver, Nanosilver

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About This Item

Linear Formula:
Ag
CAS Number:
Molecular Weight:
107.87
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141740
EC Number:
231-131-3
MDL number:
Technical Service
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Quality Level

assay

99.5% trace metals basis

form

nanopowder

contains

PVP as dispersant

reaction suitability

core: silver

resistivity

1.59 μΩ-cm, 20°C

surface area

5.0 m2/g

particle size

<100 nm

bp

2212 °C (lit.)

mp

960 °C (lit.)

density

10.49 g/cm3 (lit.)

SMILES string

[Ag]

InChI

1S/Ag

InChI key

BQCADISMDOOEFD-UHFFFAOYSA-N

General description

This silver nanopowder consists of metallic silver nanoparticles with a diameter less than 100 nm. These nanosilver particles are coated with polyvinylpyrrolidone (PVP) at a concentration of 0.2% by mass. This coating effectively limits surface oxidation and enhances the dispersion of the powder in various solvents.

Silver nanopowder is extensively utilized in medicinal applications and medical devices. The increased surface area to volume ratio and heightened reactivity of nanosilver make it particularly valuable in modern biomedical applications, particularly in coatings of medical devices.

Application

Water based ink was formulated with the silver nanowires. Silver nanoparticles, leading to higher amounts of elutable substances has been studied. The immunological adjuvant effect of silver nanoparticles (AgNPs) was investigated both in vitro and in vivo Silver nanoparticles based graphite epoxy nanocomposites have been fabricated. Action of AgNPs in enhanced thrombus formation as a consequence of increased platelet aggregation and procoagulant activity has been investigated. Optical fiber sensor photodeposited with AgNPs have been fabricated. PAN fiber based nanocomposites containing Ag and Hydroxyapatite as nanoadditives have been reported.


signalword

Warning

Storage Class

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

target_organs

Nervous system

pictograms

Health hazardEnvironment

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Repr. 2 - STOT RE 2



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Articles

银纳米材料具有独特的物理、化学以及光学性质,目前正在用于各种的生物应用。

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

Related Content

This thematic issue focuses on the emerging applications of nanomaterials. Nanomaterials are defined as substances with at least one dimension smaller than 100 nm.


Silver nanoparticles toxicity and bactericidal effect against methicillin-resistant Staphylococcus aureus: nanoscale does matter
Ayala-Nu?ez et al.
NanoBiotechnology, 5(1-4), 2-9 (2009)
Optical Fiber Sensor Based on Localized Surface Plasmon Resonance Using Silver Nanoparticles Photodeposited on the Optical Fiber End
Ortega-Mendoza JG, et al.
Sensors, 14(10), 18701-18710 (2014)
Size?dependent cellular toxicity of silver nanoparticles
Kim TH, et al.
Journal of Biomedical Materials Research Part A, 1033-1043 (2012)



Global Trade Item Number

SKUGTIN
576832-5G04061835563326
576832-50G04065273494907