Hydrazone is a class of organic compound with the structure R1R2C=NNH2. Hydrazone has an azomethine group (-NHN=CH-), which is an aldehyde and ketone derivative, in which the oxygen atom is replaced by an =NNH2 group. The purpose of this study was to synthesize the compound N'1,N'3-bis ((E,E)-4-bromobenziliden)malonohydrazid and to determine the toxicity of the compound using the BSLT meth…