1,1'-Dimethyldiethylene glycol 1,1'-OXYDI-2-PROPANOL 1,1'-Oxybis-2-propanol 1,1'-Oxydipropan-2-ol 110-98-5 2,2'-Dihydroxydipropyl ether 2-Propanol, 1,1'-oxybis- 2-Propanol, 1,1'-oxydi- 4-01-00-02473 (Beilstein Handbook Reference) 4-Oxaheptane-2,6-diol AI3-01233 BRN 1698372 Bis(2-hydroxypropyl) ether EINECS 203-821-4 HSDB 2854 NIAX catalyst D-19 NSC 8688