Sodium propionate

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Sodium propionate[1]
Sodium propanoate.png
Names
IUPAC name
Sodium propanoate
Other names
Sodium propionate
Napropion
E281
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.810
EC Number 205-290-4
E number E281 (preservatives)
UNII
Properties
C3H5NaO2
Molar mass 96.060 g/mol
Appearance Transparent crystals
Odor faint acetic-butyric odor
Melting point 289 °C (552 °F; 562 K)
1 g/mL
Solubility Ethanol (1 g/24 mL)
Pharmacology
S01AX10 (WHO) QA16QA02 (WHO)
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

Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na(C2H5COO). This white crystalline solid is deliquescent in moist air.

Reactions[edit]

It is produced by the reaction of propionic acid and sodium carbonate or sodium hydroxide.

Uses[edit]

It is used as a food preservative and is represented by the food labeling E number E281 in Europe; it is used primarily as a mold inhibitor in bakery products. It is approved for use as a food additive in the EU,[2] USA[3] and Australia and New Zealand[4] (where it is listed by its INS number 281).

See also[edit]

References[edit]

  1. ^ Merck Index, 11th Edition, 8623.
  2. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  3. ^ US Food and Drug Administration: "Listing of Food Additives Status Part II". Retrieved 2011-10-27.
  4. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.

External links[edit]