Silver | CAS No. 7440-22-4

Silver

Basic Information

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CAS Number

7440-22-4

Molecular Formula

Molecular Weight

107.87 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

960 °C

Boiling Point

2212 °C

Density

10.49 g/cm3

Solubility

H2O: soluble

Refractive Index

n20/D 1.333

Vapor Pressure

0.05 ( 20 °C)

SMILES

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[Ag]

InChI

InChI=1S/Ag

InChIKey

BQCADISMDOOEFD-UHFFFAOYSA-N

LogP

-0.0025

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H410

Hazard Statement

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 6.1 Class 6.1

Stability

Stable. Substances to be avoided include strong acids and strong bases, tartaric acid, oxalic acid. Blackened by contact with ozone, hydrogen sulfide, sulfur. Powder is highly flammable.

Sensitiveness

Light Sensitive

Synonyms & References

English

Silver
BIRON(R) LIQUID SILVER
SILVER WOOL
SILVER PLASMA EMISSION SPECTROSCOPY STANDARD
SILVER PLASMA EMISSION STANDARD
SILVER, PLASMA STANDARD SOLUTION
SILVER PLATING SOLUTION
SILVER PREPARATION
SILVER, OIL BASED STANDARD SOLUTION
Silver flake
Silver powder
Silver shot
Silver nanoparticles
Silver wire
Silver foil
Silver slug
Silver rod
Silver nanopowder
Silver sputtering target
Silver gauze
Silver tubing
Silver plate
23 Wear Metal Multi Element
Silver (bar, grain, shot)
Silver AA Std.
Silver ICP Standard
Silver ICP Std.
Silver on alumina
Wear Metals Standard
1000µg
Ag solution

MDL Number

MFCD00003397

Customs Code

71069110

FAQ

What is Silver (CAS: 7440-22-4)?

Silver (CAS: 7440-22-4) is a chemical element with the symbol Ag and atomic number 47. It is a lustrous, ductile metal known for its high electrical and thermal conductivity. Silver is widely used in various applications due to its antimicrobial properties, corrosion resistance, and reflective surface. It exists in pure form and is also found in compounds like silver nitrate and silver oxide.

What are the main uses of Silver (CAS: 7440-22-4)?

Silver (CAS: 7440-22-4) is used in pharmaceuticals as an antimicrobial agent, in electronics for conductive components, in solar panels for photovoltaic cells, and in water purification systems. It also finds applications in jewelry, coinage, and food packaging to inhibit bacterial growth. Additionally, silver is utilized in research for nanotechnology and as a catalyst in chemical reactions.

Is Silver (CAS: 7440-22-4) safe?

Silver (CAS: 7440-22-4) is generally safe in low concentrations, but prolonged exposure to high levels can lead to toxicity. It is important to handle silver with appropriate protective gear, such as gloves and safety goggles, to avoid skin irritation or inhalation risks. Safety standards recommend following OSHA guidelines for workplace exposure and ensuring proper disposal to prevent environmental contamination.

How should Silver (CAS: 7440-22-4) be stored?

Silver (CAS: 7440-22-4) should be stored in a cool, dry, and dark place to prevent oxidation and tarnishing. Use airtight containers lined with plastic or glass to avoid moisture exposure. Keep it away from sulfur compounds and ensure proper ventilation. Under normal conditions, silver is stable, but long-term storage requires protection from light and humidity to maintain its properties.