68123-29-5 Carbonic acid, compd. with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:2) Carbonic acid, compound with 2-amino-2-(hydroxymethyl)propane-1,3-diol (1:2) EINECS 268-546-4 Tris(hydroxymethyl)aminomethane carbonate