The molecule is a Good's buffer substance, pKa = 7.5 at 20 鈩? It is a member of ethanolamines, an amino sulfonic acid and a TES. It derives from a taurine. It is a tautomer of a N-tris(hydroxymethyl)methyl-2-ammonioethanesulfonate.
2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethanesulfonic acid