Title: Bensulfuron-methyl
CAS Registry Number: 83055-99-6
CAS Name: 2-[[[[[(4,6-Dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]methyl]benzoic acid methyl ester
Additional Names: methyl 2-[(4,6-dimethoxypyrimidin-2-yl)ureidosulfonylmethyl]benzoate
Manufacturers' Codes: DPX-F5384
Trademarks: Londax (DuPont); Mariner (DuPont)
Molecular Formula: C16H18N4O7S
Molecular Weight: 410.40
Percent Composition: C 46.83%, H 4.42%, N 13.65%, O 27.29%, S 7.81%
Literature References: Sulphonylurea herbicide primarily used on rice and aquatic weeds. Prepn: R. F. Sauers, EP 51466; idem, US 4420325 (1982, 1983 both to DuPont). Conformation study: Y. K. Kang, D. W. Kim, Bull. Korean Chem. Soc. 11, 144 (1990). Environmental persistence: A. Ferrero et al., Mobility Degrad. Xenobiot., Proc. 9th Simp. Pestic. Chem. 1993, 257. HPLC determn in soil: C. Salardi et al., Meded. Fac. Landbouwwet. Univ. Gent 61, 617 (1996). LC determn in rice and crayfish; M. Zhou et al., J. AOAC Int. 79, 791 (1996). Control of aquatic weeds: G. McCorkelle et al., Proc. 9th Aust. Weeds Conf. 1990, 549. Field trials on rice: J. L. Pacheco, C. L. Pope, Proc. West. Soc. Weed Sci. 39, 147 (1986); M. P. Braverman, Weed Technol. 9, 494 (1995).
Properties: Mp 179-183°.
Use: Herbicide. |