Sodium propionate

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Sodium propionate[1]
Sodium propanoate.png
Identifiers
CAS number 137-40-6 YesY
PubChem 8724
ChemSpider 8399 YesY
UNII DK6Y9P42IN YesY
ChEMBL CHEMBL500826 YesY
ATC code S01AX10,QA16QA02
Jmol-3D images Image 1
Properties
Molecular formula C3H5NaO2
Molar mass 96.060 g/mol
Appearance Transparent crystals
Odor faint acetic-butyric odor
Melting point 289 °C
Solubility in water ~1 g/mL
Except where noted otherwise, 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).

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).

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]