Molecular formula: ZnO
Molar mass: 81.408 g/mol
Appearance: White solid
Odor: odorless
Density: 5.606 g/cm³
Melting point: 1975 °C (decomposes) 
Boiling point: 2360 °C 
Solubility in water: 00016 g/100 mL (30 °C)
Refractive index (n_D) : 2.0041
Thermochemistry :
Std enthalpy of  formation Δ_fH^o_298   : -348.0 kJ/mol
Standard molar entropy ^_So₂₉₈   : 43.9 J K^-1 mol^-1