Tags: Chemical Compound, Chemical Substance.
Calcium benzoate refers to the calcium salt of benzoic acid. When used in the food industry as a preservative its E number is E213 (INS number 213); it is approved for use as a food additive in the EU USA and Australia and New Zealand.The formulas and structures of calcium carboxylate derivatives of calcium and related metals are complex. Generally the coordination number is eight and the carboxylates form Ca-O bonds. Another variable is the degree of hydration.
