azane; 2-hydroxypropanoic acid ammonia; 2-hydroxypropanoic acid azanium 2-hydroxypropanoate ammonium 2-hydroxypropanoate Ammonium lactate 515-98-0 52003-58-4 2501-35-1 Ammonium lactate (USAN) D02920 Lac-Hydrin (TN) Ammonium (+-)-lactate Ammonium lactate [USAN] BMS 186091 EINECS 208-214-8 Lac-hydrin LacHydrin Propanoic acid, 2-hydroxy-, monoammonium salt