Dimethenamid

Dimethenamid[1][2]
Names
IUPAC name
(RS)-2-Chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxy-1-methylethyl)acetamide
Other names
Frontier Herbicide
Dimethenamid-P ((S)-isomer)[3]
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.121.887
KEGG
RTECS number AB5444200
Properties
C12H18ClNO2S
Molar mass 275.79 g/mol
Appearance Tan to brown liquid
Density 1.141 g/cm3
Hazards
Main hazards Xn (harmful)
Safety data sheet MSDS from BASF
R-phrases (outdated) R22
Flash point 151 °C (304 °F; 424 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is ☑Y☒N ?)
Infobox references

Dimethenamid is a widely used herbicide. In 2001, about 7 million pounds of dimethenamid were used in the United States.[4] Dimethenamid is registered for control of annual grasses, certain annual broadleaf weeds and sedges in field corn, seed corn, popcorn and soybeans. Supplemental labeling also allows use on sweet corn, grain sorghum, dry beans and peanuts. In registering dimethinamide (SAN 582H/Frontier), EPA concluded that the primary means of dissipation of dimethenamid applied to the soil surface is photolysis, whereas below the surface loss was due largely to microbial metabolism. The herbicide was found to undergo anaerobic microbial degradation under denitrifying, iron-reducing, sulfate-reducing, or methanogenic conditions.[5] In that study, more than half of the herbicide carbon (based on 14C-labeling) added was found to be incorporated irreversibly into soil-bound residue.

References

  1. ↑ Dimethenamid at Sigma-Aldrich
  2. ↑ Material Safety Data Sheet from BASF
  3. ↑ Dimethenamid at AlanWood.net
  4. ↑ 2000-2001 Pesticide Market Estimates Archived 2009-02-07 at the Wayback Machine., U.S. Environmental Protection Agency
  5. ↑ Crawford, J.J.; Sims, G. K.; Simmons, F. W.; Wax, L. M.; Freedman, D. L. (2002). "Dissipation of the herbicide (14C) Dimethenamid under anaerobic aquatic conditions in flooded soil microcosms". J. Agric. Food Chem. 50 (6): 61483–1491. doi:10.1021/jf010612i. Retrieved 2015-01-18.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.