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'''Mecoprop''', or methylchlorophenoxypropionic acid (MCPP), is a common general use ] found in many household weed killers and "weed-and-feed" type lawn fertilizers.<ref>{{HPD|2083}}</ref> It is primarily used to control broadleaf weeds.<ref name="EXTOXNET"> at EXTOXNET</ref> It is often used in combination with other chemically related herbicides such as ], ], and ]. '''Mecoprop''', or methylchlorophenoxypropionic acid (MCPP), is a common general use ] found in many household weed killers and "weed-and-feed" type lawn fertilizers.<ref>{{HPD|2083}}</ref> It is primarily used to control broadleaf weeds.<ref name="EXTOXNET"> at EXTOXNET</ref> It is often used in combination with other chemically related herbicides such as ], ], and ].


Mecoprop is a mixture of two ]s, with the (R)-(+)-] ("Mecoprop-P", "Duplosan KV") possessing the herbicidal activity<ref>{{ cite journal | journal = Acta Cryst. | volume = B36 | issue = 4 | month = April | year = 1980 | pages = 992-994 | doi = 10.1107/S0567740880005134 | title = (+-)-2-(4-Chloro-2-methylphenoxy)propionic acid (mecoprop) | author = G. Smith, C. H. L. Kennard, A. H. White and P. G. Hodgson }}</ref>. Mecoprop is a mixture of two ]s, with the (R)-(+)-] ("Mecoprop-P", "Duplosan KV") possessing the herbicidal activity<ref>{{ cite journal | journal = Acta Cryst. | volume = B36 | issue = 4 | month = April | year = 1980 | pages = 992–994 | doi = 10.1107/S0567740880005134 | title = (+-)-2-(4-Chloro-2-methylphenoxy)propionic acid (mecoprop) | author = G. Smith, C. H. L. Kennard, A. H. White and P. G. Hodgson }}</ref>.


The ] has classified mecoprop as toxicity class III - slightly toxic.<ref name="EXTOXNET"/> The ] has classified mecoprop as toxicity class III - slightly toxic.<ref name="EXTOXNET"/>

Revision as of 16:53, 21 December 2009

Mecoprop
Names
IUPAC name (RS)-2-(4-chloro-2-methylphenoxy)propanoic acid
Identifiers
CAS Number
3D model (JSmol)
ECHA InfoCard 100.002.060 Edit this at Wikidata
PubChem CID
CompTox Dashboard (EPA)
SMILES
  • CC1=C(C=CC(=C1)Cl)OC(C)C(=O)O
Properties
Chemical formula C10H11ClO3
Molar mass 214.646
Appearance Solid
Melting point 94–95 °C
Boiling point decomposes
Solubility in water 900 mg/l (20 °C)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards Xn, N
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Mecoprop, or methylchlorophenoxypropionic acid (MCPP), is a common general use herbicide found in many household weed killers and "weed-and-feed" type lawn fertilizers. It is primarily used to control broadleaf weeds. It is often used in combination with other chemically related herbicides such as 2,4-D, dicamba, and MCPA.

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

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

See also

References

  1. Merck Index, 11th Edition, 5666.
  2. ^ Record of Mecoprop in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 8 September 2008.
  3. Template:HPD
  4. ^ Mecoprop at EXTOXNET
  5. G. Smith, C. H. L. Kennard, A. H. White and P. G. Hodgson (1980). "(+-)-2-(4-Chloro-2-methylphenoxy)propionic acid (mecoprop)". Acta Cryst. B36 (4): 992–994. doi:10.1107/S0567740880005134. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

External links

Categories: