1,2-Dicaprylin 1,2-Propanediol dioctanoate 1,2-Propyleneglycol dioctanoate 117657-09-7 145920-27-0 56519-70-1 7384-98-7 EINECS 230-962-9 Octanoic acid, 1-methyl-1,2-ethanediyl ester Propylene di(octanoate) Propylene glycol dicaprylate