Sodium propionate

Sodium propionate^[1]

Names
IUPAC name Sodium propanoate
Other names Sodium propionate Napropion E281
Identifiers
CAS Number	137-40-6 Y
ChEMBL	ChEMBL500826 Y
ChemSpider	8399 Y
EC Number	205-290-4
Jmol interactive 3D	Image
PubChem	8724
UNII	DK6Y9P42IN Y
InChI InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1 Y Key: JXKPEJDQGNYQSM-UHFFFAOYSA-M Y InChI=1/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1 Key: JXKPEJDQGNYQSM-REWHXWOFAH
SMILES [Na+].[O-]C(=O)CC
Properties
Chemical formula	C3H5NaO2
Molar mass	96.060 g/mol
Appearance	Transparent crystals
Odor	faint acetic-butyric odor
Melting point	289 °C (552 °F; 562 K)
Solubility in water	1 g/mL
Solubility	Ethanol (1 g/24 mL)
Pharmacology
ATC code	S01AX10 QA16QA02
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
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

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

• Sodium propanoate at Sci-toys.com