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Ammonium lactate
Ball-and-stick model of the lactate anion	Ball-and-stick model of the ammonium cation
Names
	IUPAC name azanium 2-hydroxypropanoate
	Other names Ammonium lactate ; Lac-hydrin
Identifiers
CAS Number	515-98-0 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1200747 ;
ChemSpider	56149 ;
ECHA InfoCard	100.007.469
E number	E328 (antioxidants, ...)
PubChem CID	10129918;
UNII	67M901L9NQ ;
CompTox Dashboard (EPA)	DTXSID3052808 ;
	InChI InChI=1S/C3H6O3.H3N/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);1H3 Key: RZOBLYBZQXQGFY-UHFFFAOYSA-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). verify (what is ?) Infobox references

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.

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]

References

^ "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.
^ "Ammonium lactate topical | Health Encyclopedia | Norris Cotton Cancer Center". Archived from the original on 2015-09-06.
^ "Why Lactic Acid?". Advantice Health, LLC. Retrieved July 27, 2023.
^ Draelos, Z. D.; Hall, S.; Munsick, C. (2020). "A 14-day Controlled Study Assessing Qualitative Improvement with 15% Lactic Acid and Ceramides in Skin Moisturization and Desquamation". The Journal of Clinical and Aesthetic Dermatology. 13 (8): E54–E58. PMC 7595367. PMID 33178384.