Poly(oxy-1,2-ethanediyl), .alpha.-(carboxymethyl)-.omega.-hydroxy-, C12-13-alkyl ethers, sodium salts (4 mol EO average molar ratio)
α-(carboxyméthyl)-ω-hydroxypoly(oxy-1,2-éthanediyle), éthers d'alkyles en C12-13, sels de sodium (rapport molaire moyen de 4 moles EO)