Chlorsulfuron

Title: Chlorsulfuron
CAS Registry Number: 64902-72-3
CAS Name: 2-Chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide
Manufacturers' Codes: DPX-4189
Trademarks: Glean (DuPont); Telar (DuPont)
Molecular Formula: C12H12ClN5O4S
Molecular Weight: 357.77
Percent Composition: C 40.29%, H 3.38%, Cl 9.91%, N 19.58%, O 17.89%, S 8.96%
Literature References: Selective pre- and post-emergence herbicide. Prepn: G. Levitt, DE 2715786; idem, US 4127405 (1977, 1978 both to du Pont). Activity: G. Levitt et al., J. Agric. Food Chem. 29, 416 (1981). Mode of action: T. B. Ray, Pestic. Biochem. Physiol. 17, 10 (1982).
Properties: Crystals from ether, mp 174-178°. Soly in water: 125 ppm. Moderately sol in methylene chloride; less sol in acetone, acetonitrile. Low soly in hydrocarbon solvents. LD50 in male, female rats (mg/kg): 5545, 6293 orally (Levitt).
Melting point: mp 174-178°
Toxicity data: LD50 in male, female rats (mg/kg): 5545, 6293 orally (Levitt)
Use: Herbicide.
Chlortetracycline Chlorthalidone Chlorthenoxazin(e) Chlorthion? Chlorzoxazone