Title: Prosulfuron
CAS Registry Number: 94125-34-5
CAS Name: N-[[(4-Methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]-2-(3,3,3-trifluoropropyl)benzenesulfonamide
Additional Names: 1-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-3-[2-(3,3,3-trifluoropropyl)phenylsulfonyl]urea; 1-[2-(3,3,3-trifluoropropyl)phenylsulfonyl]-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
Manufacturers' Codes: CGA-152005
Trademarks: Peak (Syngenta)
Molecular Formula: C15H16F3N5O4S
Molecular Weight: 419.38
Percent Composition: C 42.96%, H 3.85%, F 13.59%, N 16.70%, O 15.26%, S 7.65%
Literature References: Post-emergence sulfonylurea herbicide for use in maize; acetolactate synthase inhibitor. Prepn: W. Meyer, K. Oertle, EP 120814; eidem, US 4671819 (1984, 1987 both to Ciba-Geigy); J. G. Dingwall, Pestic. Sci. 41, 259 (1994). Comprehensive description: M. Schulte et al., Brighton Crop Prot. Conf. - Weeds 1993, 53-59.
Properties: Colorless, odorless crystals, mp 155° (dec). Vapor pressure (25°): <3.5 ´ 10-6 Pa. Soly in water (25°): 4000 mg/l (pH 6.8). Log P (n-octanol/water): -0.21 (pH 6.9). LD50 orally in rats: 986 mg/kg; dermally in rabbits: >2000 mg/kg. LC50 (4 hr) by inhalation in rats: >5000 mg/m3 (Schulte).
Melting point: mp 155° (dec)
Log P: Log P (n-octanol/water): -0.21 (pH 6.9)
Toxicity data: LD50 orally in rats: 986 mg/kg; dermally in rabbits: >2000 mg/kg; LC50 (4 hr) by inhalation in rats: >5000 mg/m3 (Schulte)
Use: Herbicide. |