Description

Silver CAS NO 64475-45-2 refers to a high-purity elemental silver product, a precious metal valued for its exceptional electrical conductivity, thermal properties, and chemical stability. It is a critical raw material for industries requiring reliable performance in conductive, catalytic, and antimicrobial applications. This product is essential for manufacturers in the electronics, chemical synthesis, medical device, and photovoltaic sectors seeking a consistent and high-quality silver source.

Application

• Electronics Manufacturing: Used in conductive pastes, inks, and adhesives for printed circuit boards (PCBs), flexible electronics, and RFID tags.
• Catalysis: Serves as a catalyst or catalyst precursor in key industrial chemical processes, including ethylene oxide production and oxidation reactions.
• Photovoltaics: A primary component in silver pastes for solar cell front-side and rear-side contacts to maximize electrical conductivity and efficiency.
• Medical & Antimicrobial Applications: Incorporated into wound dressings, coatings for medical devices, and textiles for its broad-spectrum antimicrobial properties.
• Jewelry & Silverware: Used in the fabrication of high-quality sterling silver alloys for decorative and functional items.
• Brazing & Soldering Alloys: A key constituent in high-strength, high-temperature brazing alloys for joining metals in aerospace and industrial equipment.
• Mirror & Reflective Coatings: Employed in the deposition of high-reflectivity silver coatings for optical mirrors, glass, and specialty reflectors.
• Battery Technology: Investigated for use in advanced battery systems, including silver-zinc and silver-oxide batteries, due to its high energy density.

Basic Information

Product Name	Silver
CAS No.	64475-45-2
Molecular Formula	Ag
Molecular Weight	107.87 g/mol
Synonyms	Argentum; Silver Metal; Silver Powder; Silver Flake; Silver Granules; Colloidal Silver; Fine Silver; Ag; CAS 7440-22-4 (for elemental silver)
EINECS	231-131-3

Quality Control

Our Silver is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and high purity. Quality parameters are verified against established internal specifications, which can be aligned with customer requirements. A comprehensive Certificate of Analysis (COA) detailing purity, physical form, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, strong oxidizers, and ammonia compounds. Recommended storage temperature is 15-25°C. For long-term storage of fine powders, consider an inert atmosphere to minimize surface oxidation.

Specification

Item	Specification
Appearance	Silver-white powder, flake, wire, or ingot
Identification (IR/XRF)	Conforms
Assay (Ag)	≥ 99.9%
Particle Size (for powder)	Customizable (e.g., 1-10 µm)
Surface Area (BET)	Contact for details
Trace Metals (ICP-MS)	Pb, Cu, Fe, etc. ≤ 100 ppm total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.