Cyromazine C6H10N6 Chemical name: N-cyclopropyl-1,3,5-triazine-2,4,6-triamine Purity: 95% min Appearance : White crystal powder M.W.: 166.2 Cyromazine causes retardation, malformation and death of young fly larvae. Cyromazine, is a unique, triazine-based Insect Growth Regulator (IGR). Cyromazine disrupts all stages of insect larvae development by interfering with the production of chitin, the building block of larval exoskeletons. 25KG/DRUM