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Potassium oxide is used as a carbon dioxide scrubber, water dehumidifier and oxygen generator. It finds application in rebreathers for fighting with fire and mine rescue work. It is also used in spacecraft, submarines and spacesuit life support systems.
Shahbazi Kootenaei, A. H.; Towfighi, J.; Khodadadi, A.; Mortazavi, Y. Characterization and Deactivation Study of Mixed Vanadium and Potassium Oxide Supported on Microemulsion-Mediated Titania Nanoparticles as Catalyst in Oxidative Dehydrogenation of Propane. Int. J. Chem. Reactor Eng. 2015, 13 (1), 9-19.
Higo, T.; Sukenaga, S.; Kanehashi, K.; Shibata, H.; Osugi, T.; Saito, N.; Nakashima, K. Effect of Potassium Oxide Addition on Viscosity of Calcium Aluminosilicate Melts at 1673-1873 K. ISIJ Int. 2014, 54 (9), 2039-2044.
Hazard Statements: H271-H314-H318
May cause fire or explosion; strong oxidizer. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P221-P283-P303+P361+P353-P305+P351+P338-P405-P501a
Take any precaution to avoid mixing with combustibles. Wear fire/flame resistant/retardant clothing. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.