The History of Chemicals Against Nature

<see whole timeline
Between 1961 and 1965
  –  

Vietnam War - Agent Purple

50% 2,4,5-T (30% n-butyl ester of 2,4,5-T, and 20% iso-butyl ester of 2,4,5-T) and 50% n-butyl ester of 2,4-D

Tonnage used: 14,500 U.S. gal (55,000 L; 12,100 imp gal) of Agent Purple.