Argon Gases

General Characteristics: Argon is colorless, odorless, nonflammable and nontoxic as a solid, liquid, and gas. Argon is chemically inert under most conditions and forms no confirmed stable compounds at room temperature.

Purity:

Physical & chemical properties

Chemical formula: Ar
Appearance: Colorless gas
Odor: odorless

Molecular Volume: 39.95

UN No: UN1006

Melting point 83.81 K ​(−189.34 °C, ​−308.81 °F)
Boiling point 87.302 K ​(−185.848 °C, ​−302.526 °F)
Density at stp (0 °C and 101.325 kPa) 1.784 g/L

Critical point: 150.687 K, 4.863 MPa

Application

1. Preservative

Argon is used to displace oxygen- and moisture-containing air in packaging material to extend the shelf-lives of the contents.

2.Industrial processes

Argon is used in various types of arc welding such as gas metal arc welding and gas tungsten arc welding.

3. Lighting

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