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Dry ice, also referred to as solid carbon dioxide (CO2), maintains its solid state at approximately -79°C (-110°F) under standard atmospheric pressure conditions. Upon exposure, it undergoes sublimation, transitioning directly from a solid to a gaseous form, without leaving any residue. This material is characterized by its non-toxic, non-flammable, inert, odorless, and bacteriostatic properties. With a white appearance and a density of around 1,500 kg/m3 in its compact state, dry ice proves to be an exceptional refrigerant suitable for diverse applications. Its notable attributes include a high cooling capacity and its ability to facilitate efficient heat transfer upon direct contact with cold surfaces or materials.
Store dry ice in a well-ventilated area, preferably in a well-insulated container such as a styrofoam cooler or an insulated container designed for dry ice storage. Keep dry ice away from direct contact with skin or other surfaces as it can cause frostbite or damage due to extreme cold temperatures. Store dry ice in a location with adequate ventilation to prevent the buildup of carbon dioxide gas, which can displace oxygen in confined spaces and pose a risk of asphyxiation.The longevity of dry ice depends on various factors, including its size, ambient temperature, and how it's stored. Generally, dry ice can last anywhere from 12 to 24 hours in a well-insulated cooler.
Dry ice is solid carbon dioxide (CO2) that remains in a solid state at temperatures of approximately -79°C (-110°F) under standard atmospheric pressure conditions.
Dry ice is typically produced by compressing and cooling gaseous carbon dioxide until it liquefies, then rapidly expanding it to produce a mixture of solid and gaseous CO2. The solid CO2 is then compressed into blocks or pellets.
Dry ice is non-toxic, non-flammable, inert, odorless, and bacteriostatic. It sublimates directly from a solid to a gaseous state without leaving any residue.
Dry ice should be stored in a well-ventilated area, preferably in an insulated container or cooler, to slow down its sublimation rate. It should never be stored in airtight containers, as the buildup of carbon dioxide gas can cause pressure to build up.