This invention relates to an etheramine of formula (I) based on glycerine or trimethylolpropane and its manufacturing process, wherein R = H or ethyl, k = 0 or 1 A 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.