Synonyms: 2-Propenoicacid, (2,4,6,8-tetramethylcyclotetrasiloxane-2,4,6,8-tetrayl)tetra-3,1-propanediylester (9CI); Cyclotetrasiloxane, 2-propenoic acid deriv.; 2-Propenoic acid,(2,4,6,8-tetramethylcyclotetrasiloxane-2,4,6,8-tetrayl)tetrakis(3,1-propanediyl)ester