Synonyms: Poly(oxy-1,2-ethanediyl), .alpha.-(2-ethylhexyl)-.omega.-hydroxy-, phosphate, potassium salt;Poly(oxy-1,2-ethanediyl), alpha-(2-ethylhexyl)-omega-hydroxy-, phosphat, Kalium-Salz, mittlere EO 2 mol;Polyethyleneglycol 2-ethylhexyl ether phosphate