Dry ice

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Description

A former trademark for solid carbon dioxide that is now in general use. Dry ice is a term coined by Prest Air Devices in 1925. At room temperature, solid carbon dioxide, does not melt, but rather sublimes in gaseous carbon dioxide. It is used for refrigeration of food and biological samples. It is also used in fog machines for special effects. Tiny pellets of dry ice have been used as a sandblast material.

Other Properties

CO2 gas is heavier than air and will sink to the floor.

Melting Point -78.5

Hazards and Safety

Extremely cold. Contact will cause burns.

Gas formation in a closed space may cause suffocation.

Additional Information

° Dry Ice Information: Dryiceinfo.com

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998