Sodium propionate
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Names | |
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Preferred IUPAC name
Sodium propanoate | |
Other names
Sodium propionate
Napropion E281 | |
Identifiers | |
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3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.004.810 ![]() |
EC Number |
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E number | E281 (preservatives) |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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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[]
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
Categories:
- Propionates
- Organic sodium salts
- E-number additives
- Pharmacology stubs