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Asulam

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Asulam
Names


Preferred IUPAC name Methyl (4-aminobenzene-1-sulfonyl)carbamate
Identifiers
CAS Number	3337-71-1^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:81696^N
ChemSpider	17707^Y
ECHA InfoCard	100.020.071
KEGG	C18350^Y
PubChem CID	18752
UNII	0Y5ASM7P5S^Y
CompTox Dashboard (EPA)	DTXSID8023890
InChI 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)^Y Key: VGPYEHKOIGNJKV-UHFFFAOYSA-N^Y 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
SMILES O=S(=O)(c1ccc(N)cc1)NC(=O)OC
Properties
Chemical formula	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 ^YN ?) Infobox references

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 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]

^ "ChemSpider – Asulam – C8H10N2O4S". Retrieved 30 September 2011.

^ 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. Bibcode:1998JEnvM..53..255P. doi:10.1006/jema.1998.0207.

^ 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. Bibcode:1997BCons..81...35S. doi:10.1016/S0006-3207(96)00147-4.

^ 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. Bibcode:1987JApEc..24..119S. doi:10.2307/2403791. JSTOR 2403791.

^ 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

^ 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)