Similar names: Phosphonium, tetrabutyl-, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecanoate (1:1); Phosphonium, tetrabutyl-, salt with 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecanoic acid (1:1) (9CI); Tetrabutylphosphonium 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecanoate; 8:2 FTCA tetrabutylphosphonium salt; 8:2 Fluorotelomer carboxylic acid tetrabutylphosphonium salt; Perfluoro-octylethanoic acid tetrabutylphosphonium salt; Tetrabutylphosphonium 2H,2H-perfluorodecanoate