Ammonium lactate

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Ammonium lactate
Structural formulae of the constituent ions
Ball-and-stick model of the lactate anion Ball-and-stick model of the ammonium cation
PubChem 10129918
ChemSpider 56149 N
ATCvet code QA16QA04
Jmol-3D images Image 1
Molecular formula C3H9O3N
Molar mass 107.06 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Ammonium lactate is a compound with formula NH4(C2H4(OH)COO). It is the ammonium salt of lactic acid. Has mild anti-bacterial properties.

It has E number "E328" and is the active ingredient of the skin lotions Amlactin and Lac-Hydrin.[1]


  1. ^ "DailyMed: View Drug Label: Lac-Hydrin (ammonium lactate) Lotion". Lac-Hydrin specially formulates 12% lactic acid, neutralized with ammonium hydroxide, as ammonium lactate to provide a lotion pH of 4.4-5.5. … Lactic acid is an alpha-hydroxy acid. It is a normal constituent of tissues and blood. The alpha-hydroxy acids (and their salts) may act as humectants when applied to the skin.