Evil

The Agents used—known as the Rainbow Herbicides—their active ingredients, and years used were as follows:^[6]

• Agent Pink (60% – 40% n-butyl:isobutyl esters of 2,4,5-T) used in 1961-1965
• Agent Green (n-butyl ester of 2,4,5-T) unclear when used, but believed to be at the same time as Pink
• Agent Purple (50% n-butyl ester of 2,4-D, 30% n-butyl ester 2,4,5-T, 20% isobutyl ester of 2,4,5-T) used from 1962–1965
• Agent Blue (cacodylic acid and sodium cacodylate) used from 1962–1971 (in powder and water solution)
• Agent White (acid weight basis: 21.2% tri-isopropanolamine salts of 2,4-D and 5.7% picloram) used from 1966–1971
• Agent Orange (50% n-butyl ester of 2,4-D and 50% n-butyl ester of 2,4,5-T) used from 1965–1970