... 2.Hazard Class:8 3.Prompt Delivery 4.High Quality Potassium Hydroxide KOH 90% 1.Character :Hazard Class: 8UN ... widely used in the production of potassium carbonate including KHCO3, potassium soaps,detergents, fine cosmetic, potassium hydrogen phosphate, potassium permanganate, medical intermediate, liquid fertilizers ... should be prevented during transportation.Package: 25kg/bag potassium hydroxide 90%