Sodium propionate

Sodium propionate
Names

IUPAC name Sodium propanoate
Other names Sodium propionate Napropion E281
Identifiers
CAS Number	137-40-6^Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:132106^N
ChEMBL	ChEMBL500826^Y
ChemSpider	8399^Y
ECHA InfoCard	100.004.810
EC Number	205-290-4
E number	E281 (preservatives)
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 (WHO) QA16QA02 (WHO)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is ^YN ?)
Infobox references

Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na(C₂H₅C O O). This white crystalline solid is deliquescent in moist air.

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

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, USA and Australia and New Zealand (where it is listed by its INS number 281).

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