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CAS No 79277-27-3 , methyl
3-[(4-methoxy-6-methyl-1,3,
5-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylate

  • Name: methyl
    3-[(4-methoxy-6-methyl-1,3,
    5-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylate
  • Synonyms: Pinnacle;Thifensulfuron-methyl; 79277-27-3; dpx m6316; Thifensulfuron methyl; Thiameturon-methyl; HSDB 7354;methyl
    3-[(4-methoxy-6-methyl-1,3,
    5-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylate; Caswell No. 573S; Refine; Harmony;
  • CAS Registry Number:
  • Transport: UN3077 9
  • Melting Point: 176 ºC
  • Density: 1.56 g/cm3
  • Refractive index: 1.608
  • Safety Statements: R50/53
  • Hazard Symbols: N: Dangerous for the environment;
  • Molecular Weight: 387.39152
  • InchiKey: AHTPATJNIAFOLR-UHFFFAOYSA-N
  • InChI: InChI=1S/C12H13N5O6S2/c1-6-13-10(16-12(14-6)23-3)15-11(19)17-25(20,
    21)7-4-5-24-8(7)9(18)22-2/h4-5H,1-3H3,(H2,13,14,15,16,17,19)
  • Risk Statements: S60;S61
  • Molecular Formula: C12H13N5O6S2
  • Molecular Structure:CAS No:79277-27-3 methyl<br />3-[(4-methoxy-6-methyl-1,3,<br />5-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylate

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References of methyl
3-[(4-methoxy-6-methyl-1,3,
5-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylate
Title: Thifensulfuron-methyl
CAS Registry Number: 79277-27-3
CAS Name: 3-[[[[(4-Methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylic acid methyl ester
Synonyms: methyl 3-(3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)ureidosulfonyl)thiophene-2-carboxylate; thiameturon-methyl
Manufacturers' Codes: DPX-M6316
Trademarks: Pinnacle (DuPont); Harmony (DuPont)
Molecular Formula: C12H13N5O6S2
Molecular Weight: 387.39
Percent Composition: C 37.20%, H 3.38%, N 18.08%, O 24.78%, S 16.55%
Literature References: Sulfonylurea herbicide for postemergence broadleaf weed control in food crops. Prepn: G. Levitt, EP 30142; idem, US 4481029 (1981, 1984 both to DuPont). Degradation in soil: H. M. Brown et al., J. Agric. Food Chem. 45, 955 (1997). HPLC determn in cotton seed: J. J. Stry et al., J. AOAC Int. 83, 651 (2000). Metabolism in soybeans: H. M. Brown et al., Pestic. Biochem. Physiol. 37, 303 (1990). Review of physical properties, mode of action and field trials: S. D. Sionis et al., Proc. Br. Crop Prot. Conf. - Weeds 1985, 49-54.
Properties: White solid, mp 186°. pKa at 25°: 4.0. Soly in water at 25° (mg/l): 24 (pH 4); 260 (pH 5); 2400 (pH 6). Vapor pressure at 25°: 2.7 ′ 10-6 mmHg. Partition coefficient (octanol/water): 0.027.
Melting point: mp 186°
pKa: pKa at 25°: 4.0
Log P: Partition coefficient (octanol/water): 0.027
Use: Herbicide.