File:Dry_Ice_1_(cropped).jpg · Wikimedia Commons · See Wikimedia Commons
Dry ice is solid carbon dioxide, the frozen form of the gas we exhale and that plants use to grow. It's useful in many practical applications because it's extremely cold and turns directly into gas without leaving a liquid residue, making it valuable for preserving frozen foods, creating special effects, and other industrial purposes.
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Research
2,477 papers- Dry ice-induced frostbite injury.The National medical journal of India · 2022George NM, Varghese AEDOI: 10.25259/NMJI_35_6_374
- Dry Ice as an Adjunct for Amputation Surgery.Asian journal of anesthesiology · 2021Isaak RS, Hallman MJ, Heller BJDOI: 10.6859/aja.202103_59(1).0006
- Evaluation of Dry Ice for Short-Term Storage and Transportation of Frozen Boar Semen.Animals : an open access journal from MDPI · 2024He M, Sun L, Xu J et al.DOI: 10.3390/ani14101422
- Role of dry ice in decoverslipping of microscopic slides: A new insight.Journal of oral and maxillofacial pathology : JOMFP · 2023Sabarinath B, Protyusha GB, Sivapathasundharam B et al.DOI: 10.4103/jomfp.jomfp_332_22
- Transporting cells over several days without dry-ice.Journal of cell science · 2019Wheatley SP, Wheatley DNDOI: 10.1242/jcs.238139
- Dry ice sublimation: A computational study with experimental validation for the effects of geometry.Journal of food science · 2025Erdogdu F, Hafner K, Altin O et al.DOI: 10.1111/1750-3841.17496
- Dry ice fog extraction of volatile organic compounds.Journal of chromatography. A · 2019Yang HH, Urban PLDOI: 10.1016/j.chroma.2018.11.052
- Cryopreservation without dry ice-induced acidification during sample transport.Analytical biochemistry · 2020Ong JW, Minifie T, Lin ES et al.DOI: 10.1016/j.ab.2020.113906
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- Dry Ice Pellets Subliming.jpg
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Article
Subliming dry ice pellet, with white frost on the surface
Dry ice is the solid form of carbon dioxide. It is commonly used for temporary refrigeration as CO2 does not have a liquid state at normal atmospheric pressure and sublimes directly from the solid state to the gas state. It is used primarily as a cooling agent, but is also used in fog machines at theatres for dramatic effects. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere). It is useful for preserving frozen foods (such as ice cream) where mechanical cooling is unavailable.