Calcium formate is an inorganic salt with the chemical formula Ca(HCOO)2. It exists as a white crystalline solid at room temperature and produces formic acid (HCOOH) when dissolved in water. E238 is produced on an industrial scale by the reaction of calcium hydroxide or calcium carbonate with formic acid.Chemical Properties and StructureE238 has a molar mass of 158.16 g/mol. Its molecular...