1-Ethylpiperazine CAS 5308-25-8 is one of the piperazine series products. It is an important fine chemical and an intermediate for the synthesis of medicines and pesticides. It is mainly used for the synthesis of ethyl ciprofloxacin antibacterial drugs. At the same time, it is also used as a synthetic raw material for products such as dyes and plant protection agents. In addition, it is also widely used in fungicides and surfactants.