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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-H335
May cause fire or explosion; strong oxidizer. Causes severe skin burns and eye damage. May cause respiratory irritation.
Precautionary Statements: P210-P220-P221-P260-P264b-P271-P280-P283-P301+P330+P331-P304+P340-P305+P351+P338-P306+P360-P310-P353-P363-P370+P378q-P371+P380+P375-P501c
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Take any precaution to avoid mixing with combustibles. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. Wear fire/flame resistant/retardant clothing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes. Immediately call a POISON CENTER or doctor/physician. Rinse skin with water/shower. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. Dispose of contents/ container to an approved waste disposal plant