Chromium sulfate usually refers to the inorganic compounds with the formula Cr2(SO4)3.x(H2O), where x can range from 0 to 18. Additionally, ill-defined but commercially important “basic chromium sulfates” are known. These salts are usually either violet or green solids that are soluble in water.
|Appearance||Melting point||Boiling point||Solubility in water|
|reddish-brown crystals (anhydrous), purple crystals (hydrated)||90◦C||>700 °C (decomposes to chromic acid)||Insoluble (anhydrous)