What Are the Physical Properties of Sodium Tungstate? 2023-03-08 Tungstate 228 Sodium tungstate is a white, crystalline powder that has a density of 3.24 g/cm3, a melting point of 698 °C, and a boiling point of 1,465 °C. It is soluble in water, but insoluble in ethanol and ether. 0 0 physical propertiessodium tungstate