Potassium lactate

"E326" redirects here. For the locomotive, see FS Class E326.

Potassium lactate is a compound with formula KC₃H₅O₃. It is the potassium salt of lactic acid and appears as a clear, hygroscopic, syrupy liquid suspension that is typically 60% solids.^[1] The substance can be concentrated to contain up to 78% solids.^[2] It is produced by neutralizing lactic acid, which is fermented from a sugar source. It has E number E326.

Potassium lactate

Names
IUPAC name Potassium 2-hydroxypropanoate
Identifiers
CAS Number	996-31-6 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL1200664 N
ChemSpider	55189 Y
ECHA InfoCard	100.012.392
E number	E326 (antioxidants, ...)
PubChem CID	61248
UNII	276897E67U Y
CompTox Dashboard (EPA)	DTXSID80883631
InChI InChI=1S/C3H6O3.K/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+1/p-1 Y Key: PHZLMBHDXVLRIX-UHFFFAOYSA-M Y
SMILES [K+].[O-]C(=O)C(O)C
Properties
Chemical formula	C3H5KO3
Molar mass	128.168
Pharmacology
ATC code	B05XA15 (WHO)
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

Uses

Culinary uses

Potassium lactate is commonly used in meat and poultry products to extend shelf life and increase food safety, as it has a broad antimicrobial action and is effective at inhibiting most spoilage and pathogenic bacteria.^[3]

Fire fighting uses

Potassium lactate is used as an extinguishing medium in First Alert Tundra fire extinguishers.^[4]