(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)ammonium acetate 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, acetate (salt) 34898-83-4 57282-55-0 6850-28-8 75221-94-2 EINECS 229-939-6 Tris(hydroxymethyl)aminomethane acetate