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- Agent_Purple abstract "Agent Purple is the code name for a powerful herbicide and defoliant used by the U.S. military in their herbicidal warfare program during the Vietnam War. The name comes from the purple stripe painted on the barrels to identify the contents. Largely inspired by the British use of herbicides and defoliants during the Malayan Emergency, it was one of the so-called "Rainbow Herbicides" that included the more infamous Agent Orange. Agent Purple and Orange were also used to clear brush in Canada. Agent Purple was chemically similar to the better-known Agent Orange, both of them were consisting of a mixture of the herbicides 2,4-D and 2,4,5-T and in both cases the 2,4-D and 2,4,5-T constituted equal shares of the Agent. The difference was in the form of 2,4,5-T. While all the 2,4,5-T in Agent Orange was n-butyl ester 2,4,5-T in Agent Purple the 2,4,5-T was itself mixture of its two salt forms: 60% n-butyl ester 2,4,5-T, and 40% isobutyl ester 2,4,5-T. The Agent Purple had then the following composition: 50% n-butyl ester 2,4-D, 30% n-butyl ester 2,4,5-T, and 20% isobutyl ester 2,4,5-T.Even prior to Operation Ranch Hand (1962-1971) it was known that 2,4,5-T, and thus Agents Purple, Pink, Green and Orange, were contaminated with tetrachlorodibenzodioxin (TCDD), an extremely toxic and persistent by-product formed during synthesis. Dioxin-levels varied considerably from batch to batch, and even within the same batch; generally, agents produced earlier, such as Purple and Pink suffered from higher levels of contamination. A 2003 Nature paper by Stellman et al., which re-apprised the average TCDD content of Agent Orange from the 3 ppm that USAF had reported to a level of 13 ppm, also estimated that Agent Purple may have had 32.8 ppm of TCDD on average. A sample of Agent Purple archived at Eglin Air Force Base had an even higher content of 45 ppm TCDD.Agent Purple was used only in the earliest stages of the spraying program, between 1962 and 1965 as well as in earlier tests conducted by the US military outside of Vietnam. About 500,000 gallons were sprayed in Vietnam total. (~1.9 million liters). When the need to clear brush around CFB Gagetown in Canada arose, quantities of Agent Purple and Agent Orange were also sprayed there in a testing program during 1966 and 1967.".
- Agent_Purple wikiPageID "2048040".
- Agent_Purple wikiPageRevisionID "598050122".
- Agent_Purple hasPhotoCollection Agent_Purple.
- Agent_Purple subject Category:Auxinic_herbicides.
- Agent_Purple subject Category:Defoliants.
- Agent_Purple subject Category:Military_equipment_of_the_Vietnam_War.
- Agent_Purple type Abstraction100002137.
- Agent_Purple type Chemical114806838.
- Agent_Purple type Compound114818238.
- Agent_Purple type Defoliant114828927.
- Agent_Purple type Defoliants.
- Agent_Purple type Herbicide114906850.
- Agent_Purple type Herbicides.
- Agent_Purple type Material114580897.
- Agent_Purple type Matter100020827.
- Agent_Purple type Part113809207.
- Agent_Purple type PhysicalEntity100001930.
- Agent_Purple type Relation100031921.
- Agent_Purple type Substance100019613.
- Agent_Purple comment "Agent Purple is the code name for a powerful herbicide and defoliant used by the U.S. military in their herbicidal warfare program during the Vietnam War. The name comes from the purple stripe painted on the barrels to identify the contents. Largely inspired by the British use of herbicides and defoliants during the Malayan Emergency, it was one of the so-called "Rainbow Herbicides" that included the more infamous Agent Orange. Agent Purple and Orange were also used to clear brush in Canada.".
- Agent_Purple label "Agent Purple".
- Agent_Purple label "Agent Purple".
- Agent_Purple label "Agent Purple".
- Agent_Purple label "Agent pourpre".
- Agent_Purple label "Agente Porpora".
- Agent_Purple label "枯葉剤 (紫)".
- Agent_Purple sameAs Agent_Purple.
- Agent_Purple sameAs Agent_pourpre.
- Agent_Purple sameAs Agente_Porpora.
- Agent_Purple sameAs 枯葉剤_(紫).
- Agent_Purple sameAs 에이전트_퍼플.
- Agent_Purple sameAs Agent_Purple.
- Agent_Purple sameAs m.06hgnd.
- Agent_Purple sameAs Q392759.
- Agent_Purple sameAs Q392759.
- Agent_Purple sameAs Agent_Purple.
- Agent_Purple wasDerivedFrom Agent_Purple?oldid=598050122.
- Agent_Purple isPrimaryTopicOf Agent_Purple.