Synonyms: 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3-diisocyanatomethylbenzene, .alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and 2,2'-oxybis[ethanol];1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3-diisocyanatomethylbenzene, α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 2,2'-oxybis[ethanol]