Main Page | See live article | Alphabetical index Properties General Name Potassium carbonate Chemical formula KCO3 Appearance White solid Physical Formula weight 138.2 amu Melting point 1164 K (891 °C) Boiling point Decomposes at ? Density 2.4 ×103 kg/m3 Crystal structure ? Solubility 93.7 g in 100g water Thermochemistry ΔfH0liquid -1123 kJ/mol ΔfH0solid -1151 kJ/mol S0solid 156 J/mol·K Safety Ingestion Severe irritation may result. Do not induce vomiting. Inhalation Acts as an irritant. Skin Acts as an irritant. Eyes Acts as an irritant More info Hazardous Chemical Database SI units were used where possible. Unless otherwise stated, standard conditions were used. Disclaimer and references Potassium carbonate (also known as pearl ash or salts of tartar) is a white salt soluble in water which forms a strongly alkaline solution. This is a stub article. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.