Calcium benzoate has the molecular formula of C₁₄H₁₀CaO₄ with a molecular weight of 282.31 g/mol. It appears as white or colourless crystals or white crystalline powder that is odourless. It has a density of around 1.42 g/cm³ with good water solubility that increases with temperature. It has a pH of about 5.5 in aqueous solution with a boiling point of around 249.2 degree Celsius. It has a vapour pressure of 0.093 Pa and decomposes upon heating without a distinct melting point. It is a carboxylate salt and food additive (E213, INS 213) that converts to active benzoic acid in acidic environments (pH <
