👉 In chemistry and biology, a coagulative compound is a substance that dissolves in water and forms precipitates when it comes into contact with water. Examples of coagulative compounds include calcium carbonate (CaCO3), which is used as a material for cleaning mirrors and windows; calcium hydroxide (Ca(OH)2), which is commonly found in household cleaners and paints; and iron oxide, which is common in rusting iron. The term "coagulative" refers to the