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Topic summary

Sodium lactate

Sodium lactate
Names Preferred IUPAC name
Sodium 2-hydroxypropanoate
Other names
  • Sodium DL-lactate
  • Lactic acid sodium salt
  • E325
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard100.000.702E numberE325 (antioxidants, ...)
UNII
  • InChI=1S/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+1/p-1
    Key: NGSFWBMYFKHRBD-UHFFFAOYSA-M
  • InChI=1/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+1/p-1
    Key: NGSFWBMYFKHRBD-REWHXWOFAR
  • [Na+].[O-]C(=O)C(O)C
Properties C3H5NaO3Molar mass112.06 g/mol Appearance White powder Density1.33 g/mL, 1.31 g/ml (60 % syrup) Melting point161 to 162 °C (322 to 324 °F; 434 to 435 K)

17 °C (60 % syrup)

Boiling point113 °C (235 °F; 386 K) (60 % syrup) > 1.5 g/mL Hazards Flash point< 25 Lethal dose or concentration (LD, LC): 1000 mg/kg (intravenous, rat)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Sodium lactate is the sodiumsalt of lactic acid, and has a mild saline taste. It is produced by fermentation of a sugar source, such as maize (corn) or beets, and then, by neutralizing the resulting lactic acid to create a compound having the formula NaC3H5O3.

Sodium lactate, in the form of Ringer's lactate solution, is used as a medication, and is included on the World Health Organization's List of Essential Medicines.

Wikipedia source