Silver Nanopowder | 99.9% Powder CAS RN: 7440-22-4

High-purity elemental silver nanopowder (99.9% purity) with CAS number 7440-22-4. This ACS-grade material features ultra-fine particle size and exceptional purity, making it ideal for advanced research, industrial applications, and specialized manufacturing processes.

Technical Specifications

• Purity: 99.9% (ACS Grade)
• CAS Number: 7440-22-4
• Molecular Weight: 107.87 g/mol
• Appearance: Grey powder or chunk
• Trace Metals: Well below acceptable limits for laboratory-grade materials

Applications & Use Cases

• Conductive Inks & Pastes: Essential for printed electronics, RFID tags, and flexible circuit manufacturing
• Antimicrobial Coatings: Used in medical devices, textiles, and surface treatments for bacterial resistance
• Catalysis Research: High surface area enables superior catalytic performance in chemical synthesis
• Sensor Development: Critical component in biosensors, gas sensors, and electrochemical detection systems
• Photovoltaic Applications: Used in solar cell metallization and conductive grid formation
• Advanced Materials Research: Nanocomposites, polymer additives, and specialty coatings development
• Precious Metal Refining: Laboratory standard for assay calibration and analytical chemistry

Handling & Storage

• Store in airtight container away from moisture and oxidizing agents
• Handle in well-ventilated area with appropriate PPE
• Avoid contact with skin and eyes
• Keep away from heat sources and incompatible materials

Frequently Asked Questions

What particle size range does this nanopowder have?
This is ultra-fine nanopowder with particles typically in the nanometer range, providing high surface area for enhanced reactivity and performance in applications requiring maximum surface contact.

Is this suitable for conductive ink formulations?
Yes, the high purity and fine particle size make it ideal for formulating conductive inks and pastes for printed electronics, flexible circuits, and RFID applications.

What safety precautions should I take when handling silver nanopowder?
Always wear nitrile gloves, safety glasses, and work in a well-ventilated area or fume hood. Avoid creating dust clouds and use appropriate respiratory protection if working with larger quantities.

Can this be used for antimicrobial applications?
Absolutely. Silver nanopowder is widely used in antimicrobial coatings for medical devices, textiles, and surface treatments due to its proven antibacterial properties.

How should I store this material to maintain purity?
Store in the original sealed container in a cool, dry location away from moisture, oxidizing agents, and direct sunlight. Proper storage maintains purity and prevents oxidation.

Is this material suitable for research and development?
Yes, this ACS-grade material meets strict purity requirements for laboratory research, materials science, and advanced development applications.