1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with methyloxirane, polyester with phosphoric acid, sodium salt 68541-54-8 Phosphoric acid, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), sodium salt