New chemical compositions of the formula: R1OH PARALLEL ANGLE N-C-N ANGLE R2CF3 wherein R1 is selected from the group consisting of alkyl, alkenyl, cycloalkyl and WHEREIN X is selected from the group consisting of alkyl, alkenyl, halogen, alkoxy, alkylthio, dialkylamino, nitro, cyano and thiocyano, and n is an integer from 0 to 5; and R2 is selected from the group consisting of hydrogen and R1. An insecticidal and herbicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to insects and weeds a compound described above.