Silver Nanoparticles

High Purity Ag Nanoparticles / Nanopowder
S-MITE
CAS 7440-22-4


Product Product Code Order or Specifications
(2N) 99% Silver Nanoparticles AG-M-02-NP Contact American Elements
(2N5) 99.5% Silver Nanoparticles AG-M-025-NP Contact American Elements
(3N) 99.9% Silver Nanoparticles AG-M-03-NP Contact American Elements
(3N5) 99.95% Silver Nanoparticles AG-M-035-NP Contact American Elements
(4N) 99.99% Silver Nanoparticles AG-M-04-NP Contact American Elements

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem SID PubChem CID MDL No. EC No IUPAC Name Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
Ag 7440-22-4 24880887 N/A MFCD00003397 231-131-3 N/A N/A [Ag] InChI=1S/Ag BQCADISMDOOEFD-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance True Density Bulk Density Melting Point Boiling Point Average Particle Size Size Range Crystal Phase Specific Surface Area Morphology MSDS
107.87 Silver 10490 kg/cm3 0.312 g/cm3 961.78 °C 2162 °C <100 nm 80-100 nm cubic 5.37  m2/g spherical Safety Data Sheet

High Purity, D50 = +10 nanometer (nm) by SEMSilver (Ag) Nanoparticles, nanodots or nanopowder are spherical or nanoflake high surface area metal particles with properties and uses that include inhibiting transmission of HIV and other viruses. See Material Safety Data Sheet (MSDS) and recent research.  Nanoscale Silver Particles are available in the size range of 10-200 nm, with specific surface area (SSA) in the 30-60 m 2 /g range and also available as flakes with an average particle size of  2-10 micron range with a specific surface area of approximately 40-80 m 2 /g. Nano Silver Particles are also available in Ultra high purity and high purity, coated, oleic oil-coated, dispersed, and polymer-dispersed forms. They are also available as a nanofluid through the AE Nanofluid production group. Nanofluids are generally defined as suspended nanoparticles in solution either using surfactant or surface charge technology. Nanofluid dispersion and coating selection technical guidance is also available. Other nanostructures include nanorods, nanowhiskers, nanohorns, nanopyramids and other nanocomposites. Surface functionalized nanoparticles allow for the particles to be preferentially adsorbed at the surface interface using chemically bound polymers.

Development research is underway in Nano Electronics and Photonics materials, such as MEMS and NEMS, Bio Nano Materials, such as Biomarkers, Bio Diagnostics & Bio Sensors, and Related Nano Materials, for use in Polymers, Textiles, Fuel Cell Layers, Composites and Solar Energy materials. Nanopowders are analyzed for chemical composition by ICP, particle size distribution (PSD) by laser diffraction, and for Specific Surface Area (SSA) by BET multi-point correlation techniques. Novel nanotechnology applications also include Quantum Dots. High surface areas can also be achieved using solutions and using thin film by sputtering targets and evaporation technology using pellets, rod and foil.. Applications for silver nanocrystals and flakes include as an anti-microbial, anti-bacterial, anti-viral, anti-biotic and anti-fungal agent when incorporated in coatings, nanofiber, first aid bandages, dressings, sticking plasters, plastics, soap and textiles, in self cleaning fabrics, and as conductive filler. It is also used in nanowire and in certain catalyst applications. S-MITE HIV Inhibator is a proprietary form of silver nano powder that has been shown to deactivate HIV by inhibiting the virus from attaching to the host with undetectable levels of cytotoxicity. HIV medical health creams may prevent sexual transmission of HIV-1. See the Silver Nanoparticles Product  Data Sheet. Silver Nano Particles are generally immediately available in most volumes. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Silver (Ag)atomic and molecular weight, atomic number and elemental symbolSilver (atomic symbol: Ag, atomic number: 47) is a Block D, Group 11, Period 5 element with an atomic weight of 107.8682. Silver Bohr ModelThe number of electrons in each of Silver's shells is 2, 8, 18, 18, 1 and its electron configuration is [Kr]4d10 5s1. The silver atom has a radius of 144 pm and a Van der Waals radius of 203 pm. Silver was first discovered by Early Man prior to 5000 BC. In its elemental form, silver has a brilliant white metallic luster. Elemental SilverIt is a little harder than gold and is very ductile and malleable, being exceeded only by gold and perhaps palladium. Pure silver has the highest electrical and thermal conductivity of all metals and possesses the lowest contact resistance. It is stable in pure air and water, but tarnishes when exposed to ozone, hydrogen sulfide, or air containing sulfur. It is found in copper, copper-nickel, lead, and lead-zinc ores among others. Silver was named after the Anglo-Saxon word "seolfor" or "siolfur," meaning 'silver'. For more information on silver, including properties, safety data, research, and American Elements' catalog of silver products, visit the Silver Information Center.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


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Recent Research & Development for Silver

  • Liangtao Pu, Kexun Li, Zhihao Chen, Peng Zhang, Xi Zhang, Zhou Fu, Silver electrodeposition on the activated carbon air cathode for performance improvement in microbial fuel cells, Journal of Power Sources, Volume 268, 5 December 2014
  • Yanan Yu, Mingzhe Jia, Huifeng Tian, Jingbo Hu, The fabrication of silver ion implantation-modified electrode and its application in electrocatalytic oxidation of formaldehyde, Journal of Power Sources, Volume 267, 1 December 2014
  • Yuan-Fong Chau, Chih-Chan Hu, Ci-Yao Jheng, Yao-Tsung Tsai, Li-Zen Hsieh, Wayne Yang, Chien-Ying Chiang, Yuh-Sien Sun, Cheng-Min Lee, Numerical investigation of surface plasmon resonance effects on photocatalytic activities using silver nanobeads photodeposited onto a titanium dioxide layer, Optics Communications, Volume 331, 15 November 2014
  • Safaa N. Saud, E. Hamzah, T. Abubakar, H.R. Bakhsheshi-Rad, S. Farahany, A. Abdolahi, M.M. Taheri, Influence of Silver nanoparticles addition on the phase transformation, mechanical properties and corrosion behaviour of Cu–Al–Ni shape memory alloys, Journal of Alloys and Compounds, Volume 612, 5 November 2014
  • Osman Ozturk, Ozlem Oter, Serdar Yildirim, Elif Subasi, Kadriye Ertekin, Erdal Celik, Hamdi Temel, Tuning oxygen sensitivity of ruthenium complex exploiting silver nanoparticles, Journal of Luminescence, Volume 155, November 2014
  • Leila Farzampour, Mohammad Amjadi, Sensitive turn-on fluorescence assay of methimazole based on the fluorescence resonance energy transfer between acridine orange and silver nanoparticles, Journal of Luminescence, Volume 155, November 2014
  • Dennis Wittmaier, Norbert Wagner, K. Andreas Friedrich, Hatem M.A. Amin, Helmut Baltruschat, Modified carbon-free silver electrodes for the use as cathodes in lithium–air batteries with an aqueous alkaline electrolyte, Journal of Power Sources, Volume 265, 1 November 2014
  • Yawei Qi, Yaxun Zhou, Libo Wu, Fengjing Yang, Shengxi Peng, Shichao Zheng, Dandan Yin, Enhanced upconversion emissions in Ho3 +/Yb3 + codoped tellurite glasses containing silver NPs, Journal of Non-Crystalline Solids, Volume 402, 15 October 2014
  • Klára Magyari, Razvan Stefan, Dan Cristian Vodnar, Adriana Vulpoi, Lucian Baia, The silver influence on the structure and antibacterial properties of the bioactive 10B2O3− 30Na2O−60P2O2 glass, Journal of Non-Crystalline Solids, Volume 402, 15 October 2014
  • G. Venkateswara Rao, H.D. Shashikala, Optical, dielectric and mechanical properties of silver nanoparticle embedded calcium phosphate glass, Journal of Non-Crystalline Solids, Volume 402, 15 October 2014