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
EC Number:
MDL number:
UNSPSC Code:
12141740
PubChem Substance ID:
NACRES:
NA.23
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Assay
99.5% trace metals basis
form
nanopowder
contains
PVP as dispersant
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
Related Categories
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.
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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Yingying Xu et al.
Toxicology letters, 219(1), 42-48 (2013-03-05)
The immunological adjuvant effect of silver nanoparticles (AgNPs) was investigated both in vitro and in vivo. The in vivo adjuvant effect of AgNPs was evaluated with model antigen ovalbumin (OVA) and bovine serum albumin (BSA) in mice by intraperitoneal and
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)
Silver nanocomposite electrode modified with hexacyanoferrate. Preparation, characterization and electrochemical behaviour towards substituted anilines
Fenga PG, et al.
Electroanalysis, 23(5), 1100-1106 (2011)
Antibacterial Properties of Silver-Finished Textiles
Matyjas-Zgondek E, et al.
Fibres and Textiles in Eastern Europe, 16(5), 101-107 (2008)
Eun-Ah Jun et al.
Nanotoxicology, 5(2), 157-167 (2010-09-09)
Despite the wide use of silver nanoparticles (nano Ag), its toxicity still remains poorly understood. In this report, nano Ag induced an increase in platelet aggregation and procoagulant activation which are the key contributors to thrombotic diseases. In freshly isolated
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