Can You Heat Potassium Nitrate?

Can You Heat Potassium Nitrate? Can you heat potassium nitrate? When heated to decomp it emits very toxic fumes of /nitrogen oxides & dipotassium oxide/. … /Potassium nitrate/ decomposes on heating producing nitrogen oxides, oxygen, which increases fire hazard. What happens if I heat potassium nitrate? When potassium nitrate is heated, it decomposes into potassium