Common Name: atrazine CAS No.: 1912-24-9 CAS Name: 6-chloro-4-N-ethyl-2-N-propan-2-yl-1,3,5-triazine-2,4-diamine Molecular Formula:C8H14ClN5 Agrochemical Type: Herbicide Mode of Action: it is an herbicide of the triazine class. Atrazine is used to prevent pre- and postemergence broadleaf weeds in crops such as maize (corn) and sugarcane and on turf, such as golf courses and residential lawns.