Mecoprop

Mecoprop

Mecoprop

Chemical compound

Mecoprop (also known as methylchlorophenoxypropionic acid and MCPP) is a common general use herbicide found in many household weed killers and "weed-and-feed" type lawn fertilizers.[3] It is primarily used to control broadleaf weeds.[4] It is often used in combination with other chemically related herbicides such as 2,4-D, dicamba, and MCPA, which mimic the plant hormone IAA (auxin) and kill most broadleaf weeds by causing uncontrolled growth.

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The United States Environmental Protection Agency has classified mecoprop as toxicity class III - slightly toxic.[4]

Mecoprop is a mixture of two stereoisomers, with the (R)-(+)-enantiomer ("Mecoprop-P", "Duplosan KV") possessing the herbicidal activity.[5]

Structures of the two enantiomeric forms (S left, R right) of mecoprop

See also

References

  1. [1]
    Merck Index, 11th Edition, 5666.
  2. [2]
    Record of Mecoprop in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 8 September 2008.
  3. [3]
    2-(2-Methyl-4-chlorophenoxy)propionic acid in the Consumer Product Information Database
  4. [4]
    Mecoprop at EXTOXNET
  5. [5]
    G. Smith; C. H. L. Kennard; A. H. White; P. G. Hodgson (April 1980). "(±)-2-(4-Chloro-2-methylphenoxy)propionic acid (mecoprop)". Acta Crystallogr. B. 36 (4): 992–994. doi:10.1107/S0567740880005134.
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