Calcium benzoate Chemical Properties
Water Solubility Soluble in water (2.6 g/100ml at 0°C).
CAS DataBase Reference 2090-05-3(CAS DataBase Reference)
EPA Substance Registry System Calcium benzoate (2090-05-3)
Safety Information
TSCA Yes
MSDS Information
Calcium benzoate Usage And Synthesis
Description 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.
Purification Methods Calcium benzoate (3H2O) [2090-05-3] M 336.4. Recrystallise it from water (10m/g) between 90o and 0o. [Beilstein 9 I 60, 9 H 85, 9 III 377, 9 IV 280.]
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