https://wikimd.org/index.php?action=history&feed=atom&title=2%2C4%2C5-Trichlorophenoxyacetic_acid2,4,5-Trichlorophenoxyacetic acid - Revision history2026-04-27T10:49:44ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.org/index.php?title=2,4,5-Trichlorophenoxyacetic_acid&diff=6314668&oldid=prevPrab: CSV import2025-02-18T02:14:20Z<p>CSV import</p>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== 2,4,5-Trichlorophenoxyacetic_acid ==</ins></div></td></tr>
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</table>Prabhttps://wikimd.org/index.php?title=2,4,5-Trichlorophenoxyacetic_acid&diff=6288108&oldid=prevPrab: CSV import2025-02-11T20:06:28Z<p>CSV import</p>
<p><b>New page</b></p><div>= 2,4,5-Trichlorophenoxyacetic acid =<br />
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[[File:2,4,5-Trichlorophenoxyacetic_acid_structure_numbered.svg|thumb|right|200px|Structure of 2,4,5-Trichlorophenoxyacetic acid]]<br />
[[File:2,4,5-Trichlorophenoxyacetic-acid-3D-balls.png|thumb|right|200px|3D model of 2,4,5-Trichlorophenoxyacetic acid]]<br />
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'''2,4,5-Trichlorophenoxyacetic acid''' ('''2,4,5-T''') is a synthetic [[auxin]] and a type of [[chlorophenoxy herbicide]]. It was widely used in the mid-20th century as a [[herbicide]] to control broadleaf weeds.<br />
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== Chemical Properties ==<br />
2,4,5-Trichlorophenoxyacetic acid is a [[chlorinated]] [[phenoxyacetic acid]]. Its chemical formula is C<sub>8</sub>H<sub>5</sub>Cl<sub>3</sub>O<sub>3</sub>. The compound is characterized by the presence of three chlorine atoms attached to a phenoxyacetic acid structure.<br />
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== Synthesis ==<br />
The synthesis of 2,4,5-T involves the chlorination of [[phenol]] to produce 2,4,5-trichlorophenol, which is then reacted with [[chloroacetic acid]] to form the final product.<br />
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== Uses ==<br />
2,4,5-T was primarily used as a [[herbicide]] to control [[broadleaf weeds]] in [[agriculture]] and [[forestry]]. It was also a component of [[Agent Orange]], a defoliant used during the [[Vietnam War]].<br />
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== Health and Environmental Impact ==<br />
The use of 2,4,5-T has been controversial due to its association with [[dioxin]] contamination, particularly [[2,3,7,8-Tetrachlorodibenzodioxin]] (TCDD), which is a highly toxic compound. Concerns over [[dioxin]] contamination led to restrictions and bans on the use of 2,4,5-T in many countries.<br />
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== Regulation ==<br />
Due to its potential health risks, the use of 2,4,5-T has been heavily regulated. In the United States, the [[Environmental Protection Agency]] (EPA) suspended its use in 1979.<br />
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== Related pages ==<br />
* [[Herbicide]]<br />
* [[Agent Orange]]<br />
* [[Dioxin]]<br />
* [[2,4-Dichlorophenoxyacetic acid]]<br />
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[[Category:Herbicides]]<br />
[[Category:Chlorinated compounds]]<br />
[[Category:Phenoxy herbicides]]</div>Prab