1,4-Bis(2-hydroxyethyl)piperazine 1,4-Bis(beta-hydroxyethyl)piperazine 1,4-Di(2-hydroxyethyl)piperazine 1,4-Piperazinediethanol 122-96-3 5-23-01-00484 (Beilstein Handbook Reference) AI3-03876 BRN 0108245 EINECS 204-586-0 N,N'-Bis(2-hydroxyethyl)piperazine N,N'-Bis(beta-hydroxyethyl)piperazine N,N'-Di(2-hydroxyethyl)piperazine N,N'-Dihydroxyethylpiperazine NSC 26892 NSC 31268 NSC 36645 Piperazine, N,N'-bis(2-hydroxyethyl)-