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Sodium lactate

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Sodium lactate is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Sodium lactate (Wikipedia)

Sodium lactate is the sodium salt of lactic acid, and has a mild saline taste. It is produced by fermentation of a sugar source, such as maize or beets, and then, by neutralizing the resulting lactic acid to create a compound having the formula NaC3H5O3.

Sodium lactate
Ball-and-stick model of the lactate anion
Ball-and-stick model of the lactate anion
The sodium cation
The sodium cation
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 InfoCard 100.000.702 Edit this at Wikidata
E number E325 (antioxidants, ...)
UNII
  • InChI=1S/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+1/p-1 checkY
    Key: NGSFWBMYFKHRBD-UHFFFAOYSA-M checkY
  • 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
C3H5NaO3
Molar mass 112.06 g/mol
Appearance White powder
Density 1.33 g/mL, 1.31 g/ml (60 % syrup)
Melting point 161 to 162 °C (322 to 324 °F; 434 to 435 K)

17 °C (60 % syrup)

Boiling point 113 °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).
☒N verify (what is checkY☒N ?)

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.

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