The molecule is a water-soluble buffer substance used for the preparation of the biochemical and biological buffer solutions; pKa = 6.8 at 20 鈩? It has a role as a buffer. It derives from a member of tris.
2-[3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propylamino]-2-(hydroxymethyl)propane-1,3-diol