Secondary alcohol phosphate ester

A salt of a compound of formula (I) below:

• wherein:
• the group formed by R1, R2 and the carbon atom to which R1 and R2 are attached is selected from a 2-octyl radical and a 4-methyl-2-pentyl radical;
• n is an integer between, limits inclusive, 1 and 100;
• A represents a sequence of one or more units chosen from ethylene oxide, propylene oxide and butylene oxide units, and mixtures thereof;
• G denotes the group —O—[B]p—R5;
• R5 represents a group chosen from a hydrogen atom or a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 30 carbon atoms;
• B represents a sequence of one or more units chosen from ethylene oxide, propylene oxide and butylene oxide units, and mixtures thereof;
• p denotes an integer ranging from 0 to 100;
• J denotes the group —O-[E]s-R6,
• R6 represents a group chosen from a hydrogen atom or a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 30 carbon atoms;
• E represents a sequence of one or more units chosen from ethylene oxide, propylene oxide and butylene oxide units, and mixtures thereof;
• s denotes an integer ranging from 0 to 100;
• m denotes an integer ranging from 1 to 3;
• and
• q and r denote integers ranging from 0 to 2,
• where m+q+r=3,
• wherein the compound is in ammonium salt form or in organic amine salt form, the organic amine being chosen from alkylamines, alkyldiamines, cycloalkylamines, alkylamido(poly)amines, aromatic amines and alkanolamines, the amine optionally being primary, secondary or tertiary, and also optionally being alkoxylated, and also from heterocyclic amines, urea, and mixtures thereof.