As for this invention, general formula (i) [in formula, as for R C8 - C18 - alkyl groups of linear or ramification chain or to be the blend of C8 - C18 - alkyl groups of the linear or ramification chain which differs, R1 to be the aliphatic basis which is selected from the group which consists of methyl and ethyl, M + the alkaline metal, NH4+ and HNR23 + to be the cation which is selected from the group which consists of, at that time R2 the alkyl group of linear or ramification chain, CH2 CH2 OH and CH2 CH (OH) to be selected from the group which consists of CH3, xIt possesses the mean value of 0 - 3, y has the mean value of 1 - 10, z has mean value 0 - 30] with to be shown, as the anionic surface active agent component in the alkyl ether sulfate, and the detergent and the cleaner, chemical industrial use or the cosmetics which at the same time are trade (ii) it regards those uses.本発明は、一般式(I)[式中、Rは線状又は分枝鎖状のC8~C18-アルキル基又は異なる線状又は分枝鎖状のC8~C18-アルキル基の混合物であり、R1はメチル及びエチルからなる群から選択される脂肪族基であり、M+はアルカリ金属、NH4+及びHNR23+からなる群から選択されるカチオンであり、その際にR2は線状又は分枝鎖状のアルキル基、CH2CH2OH及びCH2CH(OH)CH3からなる群から選択されており、xは0~3の平均値を有し、yは1~10の平均値を有し、zは0~30の平均値を有する]で示され、かつ商(II)であるアルキルエーテル硫酸塩、並びに洗剤及び清浄剤、化学工業的な用途又は化粧品におけるアニオン界面活性剤成分としてのそれらの使用に関する。
