The vapor pressure kPa (0.13);Melting point:630.5 °CThe boiling point:1635°CSolubility:insoluble in water, hydrochloric acid, alkali, soluble in aqua and sulfuric acid;Density:the relative density (water = 1) 6.68;Stability:stability, Risk marker 15 (harmful product, away from food),Main purpose is mainly used to produce alloy, also used in printing and pigments industries
Melting point:630.5 °C
Solubility:insoluble in water, hydrochloric acid, alkali, soluble in aqua and sulfuric acid;
Stability:stability, Risk marker 15 (harmful product, away from food),