Benzoic acid, calcium salt
|Jmol 3D model||Interactive image|
|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).
|what is ?)(|
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.
It is preferentially used more than other benzoic acid salts or its esters in foods due to its better solubility and safety to humans.
It is used in soft drink, fruit juice,concentrates,Soy Milk,Soya sauce and vinegar.
Most widely used preservative in making bread and other bakery products.
Used as preservative for water based insecticidal composition which can be sprayed as well as in preparation of calcium formate direct sprayable fertilizers.
Used as preservative for mouth wash compositions.
Used in water hardness reducers.
- 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
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