4.7 at 68 °F (USCG, 1999) - Denser than water; will sink
4.69 g/cu cm
Density: 4.69 (CdSO4); 3.09 (3CdSO4.8H2O);3.05 (CdSO4.4H2O)
Odorless, monoclinic crystals. Density: 3.08. On heating loses water above 40 °C, forming monohydrate by 80 °C, does not become anhydrous on further heating. Freely soluble in water. Almost insoluble in ethanol, acetone, ammonia, ethyl acetate. /Hydrate/
COLORLESS MONOCLINIC CRYSTALS; DENSITY 2.48; TRANSITIONAL MP 4 °C /HEPTAHYDRATE/
Physical Description
Cadmium sulfate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)
Colorless solid; [Hawley] White solid; [ICSC] White crystalline solid, hygroscopic and soluble in water;
WHITE CRYSTALS.
Appearance
Colorless orthorhombic crystals
Rhombic, white crystals or prisms