Sodium lactate

Synonyms

2-Hydroxypropanoic acid, monosodium salt; Propanoic acid, 2-hydroxy-, sodium salt (1:1); Lacolin; Lactic acid sodium salt; Lactic acid, monosodium salt; Lactic acid, sodium salt (VAN); Monosodium 2-hydroxypropanoate; Monosodium lactate; Per-glycerin; Propanoic acid, 2-hydroxy-, monosodium salt; Sodium alpha-hydroxypropionate; Sodium lactate 0.167 molar in plastic container; Sodium lactate 1/6 molar in plastic container; Sodium lactate in plastic container; [ChemIDplus] 2-Hydroxypropanoic acid sodium salt (1:1); [Merck Index]

Category

Organic Acids, Metal Salts

Description

Colorless or nearly colorless odorless liquid; [Merck Index] White powder; [Sigma-Aldrich MSDS] Colorless or yellowish odorless syrupy liquid; Hygroscopic; mp = 17 deg C; [Flinn Scientific MSDS]

Sources/Uses

Used in calico printing (instead of glycerol), as a plasticizer for casein, and as a corrosion inhibitor in alcohol antifreeze mixtures; Also used therapeutically (electrolyte replenisher, alkalinizing agent, and treatment of bovine ketosis); [Merck Index] Used as a flavoring agent, antimicrobial agent, pH control agent, emulsifier, and washing or surface removal agent for foods; [FDA] Used as an antioxidant synergist, bodying agent, and humectant for foods; [JECFA]

Comments

A mild eye irritant; Causes convulsions in acute intraperitoneal studies of rats; [RTECS] An eye irritant; [Sigma-Aldrich MSDS] See "Lactic acid."

Biomedical References

Processes

Industrial Processes with risk of exposure:

• Textiles (Printing, Dyeing, or Finishing)