This invention relates to an etheramine of formula (I) based on glycerine or trimethylolpropane and its manufacturing process,whereinR = H or ethyl, k = 0 or 1A represents a linear or branched alkylene group having C2-C18 carbon atoms,A may be the same as or different from one another,at least one A represents a linear or branched C4-alkylene group,the sum of x, y and z lies in the range of 3 to 100,x ≥1, y ≥1 and z ≥1,Z = NH2 or OH but at least two Z per molecule are NH2.