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Calcium benzoate

From Wikipedia, the free encyclopedia

Calcium benzoate
Names
Preferred IUPAC name
Calcium dibenzoate
Other names
  • E213
  • Benzoic acid, calcium salt
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.016.578 Edit this at Wikidata
EC Number
  • 218-235-4
E number E213 (preservatives)
UNII
  • InChI=1S/2C7H6O2.Ca/c2*8-7(9)6-4-2-1-3-5-6;/h2*1-5H,(H,8,9);/q;;+2/p-2 checkY
    Key: NSQPPSOSXWOZNH-UHFFFAOYSA-L checkY
  • InChI=1/2C7H6O2.Ca/c2*8-7(9)6-4-2-1-3-5-6;/h2*1-5H,(H,8,9);/q;;+2/p-2
    Key: NSQPPSOSXWOZNH-NUQVWONBAQ
  • [Ca+2].[O-]C(=O)c1ccccc1.[O-]C(=O)c1ccccc1
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).
☒N verify (what is checkY☒N ?)

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]

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Transcription

Uses

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 drinks, fruit juice, concentrates, soy milk, soy sauce and vinegar.

It is the most widely used preservative in making bread and other bakery products.

It is used as preservative for water based insecticidal composition which can be sprayed as well as in preparation of calcium formate direct sprayable fertilizers.

It is used as preservative for mouth wash compositions.

It is used in water hardness reducers.

See also

References

  1. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  2. ^ "Standard 1.2.4 - Labelling of ingredients". Australia New Zealand Food Standards Code. 8 September 2011. Retrieved 2011-10-27.
  3. ^ Einspahr, H.; Bugg, C. E. (1981). "The geometry of calcium carboxylate interactions in crystalline complexes". Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 37 (5): 1044–1052. Bibcode:1981AcCrB..37.1044E. doi:10.1107/S0567740881005037.
This page was last edited on 5 April 2024, at 13:48
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