Characteristic

Caesium sulfate or cesium sulfate is the inorganic compound and salt with the formula Cs₂SO₄. 

Chemical formula:Cs₂SO₄

Molar mass:361.87 g/mol

Density:4.243 g/cm³, solid

Melting point:1,010 °C (1,850 °F; 1,280 K)

Solubility in water:167 g/100 ml (0 °C)

Solubility: insoluble in ethanol, acetone

Magnetic susceptibility (χ):-116.0·10⁻⁶ cm³/mol

Application

It is a white water-soluble solid that is used to prepare dense aqueous solutions for use in isopycnic (or "density-gradient") centrifugation.