Calcium benzoate
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| Names | |
|---|---|
| IUPAC name
Calcium dibenzoate | |
| Other names
E213 Benzoic acid, calcium salt | |
| Identifiers | |
2090-05-3  | |
| ChemSpider | 56210 |
| EC Number | 218-235-4 |
| Jmol interactive 3D | Image |
| PubChem | 62425 |
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| Properties | |
| Ca(C7H5O2)2 | |
| Molar mass | 282.31 g/mol |
| 2.32 g/100 mL (0 °C) 2.72 g/100 mL (20 °C) 8.7 g/100 mL (100 °C) | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
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,[1] USA and Australia and New Zealand.[2]
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.[3]
References
- ↑ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- ↑ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
- ↑ H. Einspahr and C. E. Bugg "The geometry of calcium carboxylate interactions in crystalline complexes" Acta Crystallogr. (1981). B37, pages 1044-1052. doi:10.1107/S0567740881005037
See also
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