... 2.Hazard Class:8 3.Prompt Delivery 4.High Quality Potassium Hydroxide KOH 90% 1.Character :Hazard Class: 8UN NO ... is widely used in the production of potassium carbonate including KHCO3, potassium soaps,detergents, fine cosmetic, potassium hydrogen phosphate, potassium permanganate, medical intermediate, liquid ... rain should be prevented during transportation.Package: 25kg/bag potassium hydroxide 90%