Cryochemistry

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Cryochemistry is the study of chemical interactions at temperatures below −150 °C (−238 °F; 123 K).^[1] It is derived from the Greek word cryos, meaning 'cold'. It overlaps with many other sciences, including chemistry, cryobiology, condensed matter physics, and even astrochemistry.

Cryochemistry has been a topic of interest since liquid nitrogen, which freezes at −210°C, became commonly available.^[when?] Cryogenic-temperature chemical interactions are an important mechanism for studying the detailed pathways of chemical reactions by reducing the confusion introduced by thermal fluctuations. Cryochemistry forms the foundation for cryobiology, which uses slowed or stopped biological processes for medical and research purposes.