CEROUS SULPHATE AR (octahydrate) is a fine chemical product from the brand RESEARCH-LAB FINE CHEM INDUSTRIES. It is also known as Cerium(III) sulfate. Molecular Formula: Ce2(SO4)3.8H2O CAS Number: 10450-59-6 Molecular Weight: 721.54 Quantity: 100 gm/Bottle Purity: 99.9% It is one of the few salts whose solubility in water decreases with rising temperature. The ceric ion is a strong oxidizer, especially under acidic conditions.