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CAS Number: 124-38-9
UN1013 (gas); UN2187 (liquid refrigerated); UN1845 (solid)
In the metal fabrication industry, carbon dioxide is widely used as a shielding gas in the semi-automatic welding process. Emitted into the atmosphere by chemical and oil and gas operations, it can be captured and purified for use in many industries and applications. The food industry employs carbon dioxide for food processing applications such as chilling and freezing, modified atmosphere packaging, carbonation and temperature control for products being stored and transported.
In many industries, carbon dioxide is used for water treatment applications such as pH reduction to neutralize process and waste water streams.
For use in laboratories, pure carbon dioxide and mixtures are used for industrial and hospital analyses and quality control.
In the solid state, carbon dioxide, also known as dry ice, is a cold source that can be used as a cryogenic fluid for processes such as tissue conservation deep-freezing and fire extinction, as it is noncombustible.
Please consult Air Liquide's Gas Encyclopedia, available in English and French, allowing users to quickly access a host of information on the physical and chemical properties of gas molecules, indicating the material compatibilities of various gases and describing their main industrial applications.
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