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CAS No 3337-71-1 , methyl N-(4-aminophenyl)sulfonylcarbamate

  • Name: methyl N-(4-aminophenyl)sulfonylcarbamate
  • Synonyms: Jonnix; Asulox; 3337-71-1; Asulox F;Asilan;methyl N-(4-aminophenyl)sulfonylcarbamate; Plakin; Asulox 40; Methyl sulphanilylcarbamate; Asulame [ISO-French];
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.418g/cm3
  • Safety Statements: Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and SOx.
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: °C
  • EINECS: 222-077-1
  • Molecular Weight: 230.241
  • InchiKey: VGPYEHKOIGNJKV-UHFFFAOYSA-N
  • 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)
  • Risk Statements: 22
  • Molecular Formula: C8H10N2O4S
  • Molecular Structure:CAS No:3337-71-1 methyl N-(4-aminophenyl)sulfonylcarbamate

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References of methyl N-(4-aminophenyl)sulfonylcarbamate
Title: Asulam
CAS Registry Number: 3337-71-1
CAS Name: [(4-Aminophenyl)sulfonyl]carbamic acid methyl ester
Synonyms: N1-methoxycarbonylsulfanilamide; sulfanilylcarbamic acid methyl ester; methyl p-aminobenzenesulfonylcarbamate
Manufacturers' Codes: M & B 9057
Trademarks: Asulox (RP Agr.)
Molecular Formula: C8H10N2O4S
Molecular Weight: 230.24
Percent Composition: C 41.73%, H 4.38%, N 12.17%, O 27.80%, S 13.93%
Literature References: Carbamate herbicide; folic acid biosynthesis inhibitor. Prepn: BE 622214 (1963 to May & Baker). Description of herbicidal properties: H. J. Cottrell, B. J. Heywood, Nature 207, 655 (1965). Persistence in soil: A. E. Smith, A. Walker, Pestic. Sci. 8, 449 (1977). Mode of action: P. Veerasekaran et al., Pestic. Sci. 12, 325, 330 (1981). Field study on sugarcane and torpedograss: M. A. Hossain et al., J. Weed Sci. Tech. 43, 10 (1998); in bracken control: R. J. Pakeman et al., J. Environ. Management 53, 255 (1998). Review of properties and analytical methods: C. H. Brockelsby, D. F. Muggleton, Anal. Methods Pestic. Plant Growth Regul. 7, 497 (1973); A. Guardigli et al., ibid. 13, 197 (1984).
Properties: White crystals, mp 143-144° (dec). Soly: water 0.5%, hydrocarbons <2%, chlorinated hydrocarbons <2%, acetone 34%, methanol 28%. pKa 4.82. LD50 in rats, mice, dogs, rabbits (mg/kg): >5000, >5000, >5000, >2000 orally; in rats (mg/kg): >1200 dermally (Brockelsby).
Melting point: mp 143-144°
pKa: pKa 4.82
Toxicity data: LD50 in rats, mice, dogs, rabbits (mg/kg): >5000, >5000, >5000, >2000 orally; in rats (mg/kg): >1200 dermally (Brockelsby)
Use: Herbicide.