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576832

Sigma-Aldrich

Silver

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

Synonyme(s) :

Colloidal nano silver, Colloidal silver, Nanosilver

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About This Item

Formule linéaire :
Ag
Numéro CAS:
7440-22-4
Poids moléculaire :
107.87
Numéro CE :
231-131-3
Numéro MDL:
MFCD00003397
Code UNSPSC :
12141740
ID de substance PubChem :
24880887
Nomenclature NACRES :
NA.23

Niveau de qualité

200

Pureté

99.5% trace metals basis

Forme

nanopowder

Contient

PVP as dispersant

Résistivité

1.59 μΩ-cm, 20°C

Superficie

5.0 m2/g

Taille des particules

<100 nm

Point d'ébullition

2212 °C (lit.)

Pf

960 °C (lit.)

Densité

10.49 g/cm3 (lit.)

Chaîne SMILES 

[Ag]

InChI

1S/Ag

Clé InChI

BQCADISMDOOEFD-UHFFFAOYSA-N

Description générale

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.

Pictogrammes

Environment
GHS09

Mention d'avertissement

Warning

Mentions de danger

H410

Conseils de prudence

P273 - P391 - P501

Classification des risques

Aquatic Acute 1 - Aquatic Chronic 1

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
MKCR9188
MKCQ6280
MKCQ4804
MKCP1973
MKCN9959

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