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

Quick Facts Names, Identifiers ...

Ammonium lactate

Names
IUPAC name azanium 2-hydroxypropanoate
Other names Ammonium lactate Lac-hydrin
Identifiers
CAS Number	515-98-0 N
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL1200747 N
ChemSpider	56149 N
ECHA InfoCard	100.007.469
E number	E328 (antioxidants, ...)
PubChem CID	10129918
UNII	67M901L9NQ Y
CompTox Dashboard (EPA)	DTXSID3052808
InChI InChI=1S/C3H6O3.H3N/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);1H3 N Key: RZOBLYBZQXQGFY-UHFFFAOYSA-N N InChI=1/C3H6O3.H3N/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);1H3 Key: RZOBLYBZQXQGFY-UHFFFAOYAD
SMILES CC(C(=O)[O-])O.[NH4+]
Properties
Chemical formula	C3H9O3N
Molar mass	107.06 g/mol
Pharmacology
ATCvet code	QA16QA04 (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

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

Ammonium lactate is the chemical combination of lactic acid and ammonium hydroxide. It is used as a skin moisturizer lotion to treat dry, scaly, itchy skin. Those who are using it should avoid exposure to sunlight or artificial UV rays, such as sunlamps or tanning beds. Ammonium lactate makes skin more sensitive to sunlight, and skin is more likely to sunburn.^[2]

Ammonium lactate is sold as an over-the-counter medication Amlactin brand used for treating xerosis.^[3][4]