| M Formula: | Cs2SO4 |
| Properties: | |
| Colorless crystals. D 4.2434, mp 1010C. Soluble in water; insoluble in alcohol. | |
| Derivation: | |
| Action of sulfuric acid on cesium carbonate. | |
| Grade: | |
| Pure; low optical density. | |
| Use: | |
| Brewing, mineral waters, for density gradient in ultracentrifuge separation. | |