Dry ice, a solid form of carbon dioxide (CO2), is characterized by its extremely low temperature of -109.3°F (-78.5°C) and its sublimation process, where it directly transforms from solid to gas. Widely used in food preservation, refrigeration, dry cleaning, and special effects, dry ice is produced through liquefaction, compression, and solidification. Safe handling requires protective gloves and ventilation due to its low temperature and sublimation.