70729-68-9 BRN 2011337 EINECS 274-829-3 HEPTANOIC ACID, OXYBIS(2,1-ETHANEDIYLOXY-2,1-ETHANEDIYL) ESTER Oxybis(ethane-2,1-diyloxyethane-2,1-diyl) bisheptanoate Tegdh Tetraethylene glycol di-n-heptanoate Tetraethylene glycol diheptanoate Tetraethylene glycol-di-n-heptanoate