二甲基肼

用於有機合成。

由苯甲醯氯與硫酸肼反應生成對稱二苯甲醯肼，再與硫酸二甲酯反應得到對稱二苯甲醯二甲肼，最後將其與鹽酸一起迴流2小時，進行水蒸氣蒸餾，將剩餘物減壓蒸發至干，結晶出對稱二甲肼鹽酸鹽。

S24/25:Avoid contact with skin and eyes.;

S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;

S53:Avoid exposure - obtain special instructions before use.;

R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.;

R45:May cause cancer.