Sodium propionate

Sodium propionate^[1]
Names
	Preferred IUPAC name Sodium propanoate
	Other names Sodium propionate; Napropion; E281
Identifiers
CAS Number	137-40-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:132106 ;
ChEMBL	ChEMBL500826 ;
ChemSpider	8399 ;
ECHA InfoCard	100.004.810
EC Number	205-290-4;
E number	E281 (preservatives)
PubChem CID	2723816;
UNII	DK6Y9P42IN ;
CompTox Dashboard (EPA)	DTXSID7021996 ;
	InChI InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1 Key: JXKPEJDQGNYQSM-UHFFFAOYSA-M ; 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 in ethanol	41.7 g/L
Pharmacology
ATC code	S01AX10 (WHO) QA16QA02 (WHO)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H317, H318, H411
Precautionary statements	P261, P264, P264+P265, P270, P272, P273, P280, P301+P317, P302+P352, P305+P354+P338, P317, P321, P330, P333+P317, P362+P364, P391, P501
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	6332 mg/kg (mouse, oral)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) 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.^[2]

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Structure

Names

Preferred IUPAC name Sodium propanoate
Other names Sodium propionate Napropion E281
Identifiers
CAS Number	137-40-6^Y
3D model (JSmol)	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 CID	2723816
UNII	DK6Y9P42IN^Y
CompTox Dashboard (EPA)	DTXSID7021996
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 in ethanol	41.7 g/L
Pharmacology
ATC code	S01AX10 (WHO) QA16QA02 (WHO)
Hazards
GHS labelling:^[2]
Pictograms
Signal word	Danger
Hazard statements	H302, H317, H318, H411
Precautionary statements	P261, P264, P264+P265, P270, P272, P273, P280, P301+P317, P302+P352, P305+P354+P338, P317, P321, P330, P333+P317, P362+P364, P391, P501
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	6332 mg/kg (mouse, oral)^[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references