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HomeMaterialsNanoparticlesHigh Purity Silver Nanoparticles Nano Ag Powder CAS 7440-22-4, 99%

High Purity Silver Nanoparticles Nano Ag Powder CAS 7440-22-4, 99%

Silver nanoparticles, also known as black powder, is a mixture of nano-materials, elemental, and silver. It has high surface energy, surface activity, and catalytic performance. Purity: 99%

Particle size: 50nm. 100nm. 500nm

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Silver Nanoparticles Nano Ag Powder


Nano Silver is Silver metal with nanoscale particles. Nanosilver is powdered silver whose particle size is below 100nm and is generally between 25-50nm. The size of the silver nanoparticles is directly correlated with their properties. The bactericidal effect of silver nanoparticles is directly related to their particle size.

The nanosilver particles are about 25 nanometers in size, which is a good size for inhibiting and killing pathogenic microorganisms like Escherichia cocoli, Neisseria gonorrhoeae or Chlamydia trochomatis. They will not create drug resistance. Silver nanoparticles have a major role to play in microelectronics, due to their high electrical conductivity. Silver nanoparticles are also used in special applications such as surface-enhanced Raman and medical applications.

Is Nano Silver dangerous?

Silver nanoparticles are absorbed by the lungs, intestines and skin and can reach the liver, kidneys, spleens, brains, hearts and testes. Nanosilver is known to cause mild irritations of the skin and eyes. It may also cause mild skin allergies.

It has been found by eight authoritative institutions in china that it has an antibacterial activity which is comprehensive against drug-resistant pathogenic bacterium such as drug resistant Escherichia Coli, drug resistant Staphylococcus Aureus, drugs-resistant Pseudomonas Aeruginosa, streptococcus Pyogenes (anaerobic), and drugs-resistant Enterococcus. Eight Chinese authoritative institutions have determined that the product has a broad antibacterial effect against drug resistant pathogenic bacteria, including drug-resistant Escherichia bacteria, drugresistant Staphylococcus bacteria, drugresistant Pseudomonas bacteria, streptococcus bacteria, and anaerobic bacteria. It has a bactericidal action on the surface and in wounds of Staphylococcus Aureus, Escherichia Coi, Pseudomonasaeruginosa and Candida albicans. It has also a strong bactericidal action on chlamydia (which causes sexually transmitted disease) and gonorrhea. This trusted global brand is available in over 100 countries.

Silver Nanoparticles Nano Ag Powder

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Product Performance of Silver nanoparticles, Nano Ag powder:

Silver nanoparticles, due to their excellent electrical conductivity and low weight, are a very important component in microelectronics. Nano Ag powder is also used for special applications because of its surface and quantum size effects.

Technical Parameters of Nano Silver Powder Nano Ag:

Product Name MF Purity Particle Size Bulk Density Melting Point Color
Silver Nanopartiles A. 99% 50nm, 100nm, 500nm 2.7 g/cm3 660 Black

What is

Silver Nanoparticles Nano Ag Powder


There are many ways to make nanosilver. These include physical crushing, vacuum condensing, and mechanical milling. There are many chemical methods, including reducing methods, electrochemical reducing methods, photo dent reductions, gas-liquid 2-phase methods, hydrothermal processes, precipitation techniques, etc. It is important to know the method of preparation for nanosilver particles in order to use them in practical applications. Nanosilver production has been able to reach a large scale industrial level due to the maturing of its preparation method.


Silver Nanoparticles Nano Ag Powder


Nanosilver, which is antibacterial in nature, is widely used by people every day.

What are the uses of Nano Silver?

The antibacterial properties in nanosilver are used successfully for many health treatments. These include intravenous, tracheal, urinary, and endotracheal caths, bone cements or fillings of the mouth, dietary supplement implant surgery, wound dressings, and oral cavity fillings.

High-end Silver Paste (Glue)

The conductive adhesive for LED chip packaging is made of conductive silver, the conductive pastes are conductive for high-temperature and oligomer, as well as conductive for printing electronic device.

Conductive coating

The dielectric and low-temperature sintered pastes are made of high-grade filters, silver layers for magnetic tube capacitors, and dielectric paste.

The medical field

Antimicrobial medical devices and medicine, antimicrobial materials and products such as plastics, rubber, textiles, clothing, shoes, socks, antimicrobial ceramics, glass and coatings.

Green products for the home and furniture

Deodorant and antibacterial film, as well as anti-static and antiseptic coatings, for household appliances.

Catalytic Materials

Silver catalyst for fuel cells that supports catalyst for ethylene-oxidation reaction.

New energy

Heat exchange material, electrode material for high-grade electronic components.

Electroplating industry

The silver coating is used to electroform gold.

In the world of baby bottles, nanosilver (Bier silver ion PES Puzzle Bottle, Bier PES Combination Puzzle Bottle, Bier nanosilver PES Puzzle bottle) is widely used. Nanosilver, a material that is safe and widely used, is widely available.

Storage Conditions of Nano Silver Powder Nano Ag:

In order to avoid the negative effects of dampness, it is best to store nanosilver in a vacuum packed and in a cool and dry place. The nickel nanoparticles must not be exposed. Ag Nanoparticles are also to be avoided when under stress.

Silver Nanoparticles Nano Ag Powder Packing & Shipping:

We offer a variety of different packings depending on the quantity of silver nanoparticles.

Silver nanoparticles packing:

As per your request, vacuum packaging is available in 1kg/bags, 25kg/barrels, or both.

Silver nanoparticles shipping:

The shipment can be made by sea, air, or express as soon after payment as possible.

Silver Nanoparticles Properties

Alternative Names
Silver nanocrystals or nano-silver, also called AgNPs (Ag NPs), are silver nanopowder.

Silver nanoparticles, silver nanopowder, and nanosilver

CAS Number

Compound Formula
The Agencies

Molecular Mass

Gray to Black Powder

Melting Point

Boiling Point

Specific Area
5.37 m2/g

Solubility In H2O

Thermal Expander
(25 degC) 18.9 um*m-1*K-1

Health & Safety information about Silver Nanoparticles

Sign Word

Hazard Statements

Hazard Codes

Risk Codes

Safety Declarations

Transport Information
UN 3077 9, PGIII

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