Solubility: | Almost insoluble in water, 0.024 g/l. Sol in dil hydrochloric acid, nitric acid or acetic acid Sol in soln of ammonium chloride or ammonium nitrate Insol in sulfuric acid 0.0022 g/100 ml water at 18 deg C Sol in ethanol 0.025 lb/100 lb of water at 68.02 deg F |