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Asulam

Summary

Asulam is a herbicide invented by May & Baker Ltd , internally called M&B9057,[1] that is used in horticulture and agriculture to kill bracken[2][3] and docks.[4] It is also used as an antiviral agent. It is currently marketed, by United Phosphorus Ltd - UPL, as "Asulox" which contains 400 g/L of asulam sodium salt.

Asulam
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name
Methyl (4-aminobenzene-1-sulfonyl)carbamate
Identifiers
  • 3337-71-1 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:81696 ☒N
ChemSpider
  • 17707 checkY
ECHA InfoCard 100.020.071 Edit this at Wikidata
KEGG
  • C18350 checkY
  • 18752
UNII
  • 0Y5ASM7P5S checkY
  • DTXSID8023890 Edit this at Wikidata
  • InChI=1S/C8H10N2O4S/c1-14-8(11)10-15(12,13)7-4-2-6(9)3-5-7/h2-5H,9H2,1H3,(H,10,11) checkY
    Key: VGPYEHKOIGNJKV-UHFFFAOYSA-N checkY
  • InChI=1/C8H10N2O4S/c1-14-8(11)10-15(12,13)7-4-2-6(9)3-5-7/h2-5H,9H2,1H3,(H,10,11)
    Key: VGPYEHKOIGNJKV-UHFFFAOYAJ
  • O=S(=O)(c1ccc(N)cc1)NC(=O)OC
Properties
C8H10N2O4S
Molar mass 230.241 g/mol
Density 1.419 g/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Asulam was declared not approved by the Commission Implementing Regulation (EU) No 1045/2011 of 19 October 2011 concerning the non-approval of the active substance asulam.[5] Concerns included: lack of evidence concerning the fate of the toxic metabolite sulfanilamide and other metabolites; the poorly characterised nature of the impurities potentially present in the technical-grade product; toxicity to birds. This decision is given in with Regulation (EC) No 1107/2009 of the European Parliament and of the Council concerning the placing of plant protection products on the market, and amending Commission Decision 2008/934/EC.[6]

References edit

  1. ^ "ChemSpider – Asulam – C8H10N2O4S". Retrieved 30 September 2011.
  2. ^ R. J. Pakemana, M. G. Le Ducb and R. H. Marrs (1998). "An assessment of aerially applied asulam as a method of long-term bracken control". Journal of Environmental Management. 53 (3): 255–262. doi:10.1006/jema.1998.0207.
  3. ^ C. S. R. Snow and R. H. Marrs (1997). "Restoration of Calluna heathland on a bracken Pteridium-infested site in north west England". Biological Conservation. 81 (1–2): 35–42. doi:10.1016/S0006-3207(96)00147-4.
  4. ^ R. I. Speight and J. B. Whittaker (1987). "Interactions Between the Chrysomelid Beetle Gastrophysa viridula, the Weed Rumex obtusifolius and the Herbicide Asulam". The Journal of Applied Ecology. 24 (1): 119–129. doi:10.2307/2403791. JSTOR 2403791.
  5. ^ Commission Implementing Regulation (EU) No 1045/2011 of 19 October 2011 concerning the non-approval of the active substance asulam, in accordance with Regulation (EC) No 1107/2009 of the European Parliament and of the Council concerning the placing of plant protection products on the market, and amending Commission Decision 2008/934/EC
  6. ^ Regulation (EC) No 1107/2009 of the European Parliament and of the Council of 21 October 2009 concerning the placing of plant protection products on the market and repealing Council Directives 79/117/EEC and 91/414/EEC (consolidated tex)

Further reading edit

  • Asulam in the Pesticide Properties DataBase (PPDB)