PROBLEM TO BE SOLVED: To provide a two-hydrophobic chain/two-hydrophilic group type surfactant which is high in purity and can be produced at a high yield and a detergent composition, a hair treatment composition and a softening agent composition using the two-hydrophobic chain/two-hydrophilic group type surfactant and its ammonium salt.SOLUTION: The two-hydrophobic chain/two-hydrophilic group type surfactant can be obtained by reacting the salt of a secondary amine compound with an epihalohydrin followed by reacting with a secondary amine compound or a tertiary amine compound.COPYRIGHT: (C)2002,JPO【課題】 純度および収率が高い二鎖二親水基型界面活性剤と、得られた二鎖二親水基型界面活性剤およびそのアンモニウム塩を用いた洗浄剤組成物、毛髪処理剤組成物および柔軟剤組成物を提供する。【解決手段】 第2アミン化合物の塩とエピハロヒドリンを反応させた後、第2アミン化合物または第3アミン化合物と反応させることによって得られる二鎖二親水基型界面活性剤。
