Sodium propionate
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.
 | |
| 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 |
|
| E number | E281 (preservatives) |
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
| 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). | |
  | |
| Infobox references | |
Reactions
It is produced by the reaction of propionic acid and sodium carbonate or sodium hydroxide.
Uses
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
- Propionic acid, E 280
- Calcium propionate, E 282
- Potassium propionate, E 283
References
- Merck Index, 11th Edition, 8623.
- UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- US Food and Drug Administration: "Listing of Food Additives Status Part II". Retrieved 2011-10-27.
- Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
External links
- Sodium propanoate at Sci-toys.com
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.