The caustic effects crop up from becoming remarkably alkaline, but if potassium hydroxide is neutralised having a non-toxic acid then it will become a non-poisonous potassium salt. It is permitted like a food items additive beneath the code E525. One route entails melting cyanuric acid or urea with potassium hydroxide. https://damienekhda.blogdomago.com/29611646/considerations-to-know-about-is-potassium-cyanide-soluble