Title: Triasulfuron
CAS Registry Number: 82097-50-5
CAS Name: 2-(2-Chloroethoxy)-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide
Additional Names: 1-[2-(2-chloroethoxy)phenylsulfonyl]-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
Manufacturers' Codes: CGA-131036
Trademarks: Amber (Syngenta); Logran (Syngenta)
Molecular Formula: C14H16ClN5O5S
Molecular Weight: 401.83
Percent Composition: C 41.85%, H 4.01%, Cl 8.82%, N 17.43%, O 19.91%, S 7.98%
Literature References: Sulfonylurea herbicide for broadleaf weeds. Prepn: W. Meyer, W. Föry, EP 44808; eidem, US 4514212 (1982, 1985 both to Ciba-Geigy). Comprehensive description: J. Amrein, H. R. Gerber, Proc. Br. Crop Prot. Conf. - Weeds 1985, 55-62. Uptake and metabolism in wheat: A. M. Meyer, F. Müller, Brighton Crop Prot. Conf. - Weeds 1989, 441. Behavior in soil: F. K. Oppong, G. R. Sagar, Weed Res. 32, 157, 167 (1992). Immunoassay in soil: J. A. Schlaeppi et al., J. Agric. Food Chem. 42, 1914 (1994).
Properties: White crystals, mp 186°. Vapor pressure (20°): 7.5 ´ 10-13 mm Hg. Soly in water (20°): 1.5 g/l (pH 7). LD50 in rats (mg/kg): >5000 orally; >2000 dermally; LC50 (4 hr) in rats: >5185 mg/m3 by inhalation (Amrein, Gerber).
Melting point: mp 186°
Toxicity data: LD50 in rats (mg/kg): >5000 orally; >2000 dermally; LC50 (4 hr) in rats: >5185 mg/m3 by inhalation (Amrein, Gerber)
Use: Herbicide. |