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PRODUCT PARAMETERS
Description
Silver Nanoparticles Properties | |
Other Names | AgNPs, Ag NPs, Silver nanopowder, Silver nanocrystals, nano-silver Silver nano-particles, Silver nano-powder, nanosilver |
CAS No. | 7440-22-4 |
Compound Formula | Ag |
Molecular Weight | 107.87 |
Appearance | Gray to Black Powder |
Melting Point | 660 ℃ |
Boiling Point | 2162 ℃ |
Specific Surface Area | 5.37 m2/g |
Solubility in H2O | N/A |
Thermal Expansion | (25 °C) 18.9 µm·m-1·K-1 |
Silver Nanoparticles Health & Safety Information | |
Signal Word | Warning |
Hazard Statements | H400-H410 |
Hazard Codes | Xn, N |
Risk Codes | 22-36/38-50/53 |
Safety Statements | 22-60-61 |
Transport Information | UN 3077 9 / PGIII |
(Silver Nanoparticles Nano Ag Powder CAS 7440-22-4)
Overview of Silver Nanoparticles (Nano Ag Powder)
Silver nanoparticles, commonly referred to as Nano Ag powder, are tiny particles of silver with a size ranging from 1 to 100 nanometers. These particles exhibit unique physical and chemical properties due to their reduced dimensions, making them highly valuable in various applications. Silver nanoparticles are widely used in fields such as medicine, electronics, and environmental science, among others.
Characteristics of Silver Nanoparticles
Antimicrobial Properties: Silver nanoparticles possess strong antimicrobial activity against a broad spectrum of bacteria, viruses, and fungi, making them effective in preventing infections.
High Conductivity: Silver, being a good conductor of electricity, maintains its conductivity even in its nanoscale form, making it suitable for electronic applications.
Optical Properties: Silver nanoparticles exhibit unique optical properties, including strong absorption and scattering of light, making them useful in optical devices and sensors.
Large Surface Area: The small size of silver nanoparticles results in a large surface area-to-volume ratio, enhancing their reactivity and interaction with other materials.
Stability: Silver nanoparticles can be stabilized using various capping agents, preventing their aggregation and ensuring their stability in various media.
Application of Silver Nanoparticles
Antimicrobial Coatings: Silver nanoparticles are used in coatings for medical devices, wound dressings, and surfaces in hospitals to prevent the spread of infections.
Antimicrobial Coatings
Electronics: Due to their high conductivity, silver nanoparticles are employed in the manufacturing of electronic components, such as conductors and electrodes in solar cells and batteries.
Electronics
Catalysis: Silver nanoparticles act as efficient catalysts in various chemical reactions,accelerate the reaction speed and improve the product purity and selectivity.
Catalysis
Sensors: The optical and electrical properties of silver nanoparticles make them suitable for use in sensors, detecting changes in light, temperature, and other physical parameters.
Sensors
Biomedical Applications: Silver nanoparticles are used in biomedicine for drug delivery, imaging, and cancer treatment due to their biocompatibility and antimicrobial properties.
Biomedical Applications
Company Profile
NANOTRUN(www.rboschco.com) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Silver Nanoparticles, please feel free to contact us or click on the needed products to send an inquiry.
Payment Term
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Shipment Term
By sea, by air, by express, as customers request.
FAQ
Q1:
What are the safety concerns associated with silver nanoparticles?
Re: Silver nanoparticles, while offering numerous benefits, also pose some safety concerns. They can potentially release silver ions into the environment, affecting aquatic life. Additionally, prolonged exposure to high concentrations of silver nanoparticles may pose health risks to humans, such as skin irritation and respiratory problems. However, these concerns are being addressed through research and development of safer nanomaterials.
Q2:
How are silver nanoparticles produced?
Re: Silver nanoparticles are produced using various methods, including physical, chemical, and biological routes. Commonly used methods include reduction of silver salts using reducing agents, evaporation-condensation techniques, and biosynthesis using microorganisms. The choice of production method depends on the desired particle size, shape, and stability.
Q3:
What are the storage and handling recommendations for silver nanoparticles?
Re: Silver nanoparticles should be stored in dark, airtight containers to prevent exposure to light and oxygen, which can lead to degradation. Additionally, they should be handled with care to avoid aggregation and contamination. It is recommended to store them at room temperature and use them within the recommended shelf life to ensure optimal performance.
Q4:
How do silver nanoparticles differ from bulk silver?
Re: Silver nanoparticles differ from bulk silver in terms of their physical and chemical properties. Bulk silver is a macroscopic material with uniform properties, while silver nanoparticles exhibit size-dependent properties due to their reduced dimensions. Additionally, silver nanoparticles have a large surface area-to-volume ratio, enhancing their reactivity and interaction with other materials. These differences make silver nanoparticles unique and useful in various applications.
Q5:
Are there any environmental regulations governing the use of silver nanoparticles?
Re: The use of silver nanoparticles is subject to various environmental regulations, depending on the jurisdiction. These regulations aim to ensure the safe use of silver nanoparticles and minimize their potential environmental impacts. Some regulations restrict the use of silver nanoparticles in certain applications or require manufacturers to comply with specific safety standards. It is important to consult local regulations before using silver nanoparticles in any application.