4,7-Dibromo-2,1,3-benzothiadiazole is an organic intermediate, which can be obtained by bromination of benzothiadiazole with N-bromosuccinimide, or by benzene- 1,2-Diamine was first closed to prepare benzo[c][1,2,5]thiadiazole, and then brominated with dibromohydantoin to obtain it.