Sodium hydroxide ne mai matukar caustic tushe da kuma alkali cewa decomposes sunadarai a al'ada yanayi yanayin zafi da kuma iya haifar da tsanani sunadarai konewa. Yana da sosai narkewa a cikin ruwa, da kuma readily sha danshi da kuma carbon dioxide daga iska. Yana samar da wani jerin hydrates NaOH·nH2O. The monohydrate NaOH·H2O crystallizes daga ruwa mafita tsakanin 12.3 da 61.8 ° C. A sayar da samuwa "sodium hydroxide" shi ne sau da yawa wannan monohydrate, da kuma buga data iya koma zuwa gare shi maimakon anhydrous fili. Kamar yadda daya daga cikin mafi sauki hydroxides, shi ne sau da yawa amfani da tare da tsaka tsaki ruwa da kuma hydrochloric acid don nuna da pH sikelin zuwa bukatar sunadarai.
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