2,2'-((2-Hydroxyethyl)imino)bisethyl bis(dihydrogen phosphate), compound with 2,2',2''-nitrilotris(ethanol) (1:4) 68155-59-9 EINECS 268-971-5 Ethanol, 2,2',2''-nitrilotris-, compd. with 2,2'-((2-hydroxyethyl)imino)di-2,1-ethanediyl bis(dihydrogen phosphate) (4:1) Triethanolamine, diphosphate ester, tetra(triethanolamine) salt