Common name: Mesosulfuron-methyl
Chemical name:
methyl 2-III[(4,6-dimethoxy-2-pyrinidinyl)amino]carbonyl]amino[sulfonyl]-4-[[(methylsulfonyl)amino]methyl]benzoate
propanoate
Chemical class: Herbicide
Molecular formula: C₁₇H₂₁N₅O₇S₂
CAS NO.: 208465-21-8
Properties:
Form Cream-coloured solid. M.p. 195.4°C. V.p. 1.1×10⁻⁸ mPa (25°C). KOW logP = 1.39 (pH 5), -0.48 (pH 7), -2.06 (pH 9). Henry 2.434×10⁻¹⁰ Pa m³ mol⁻¹ (pH 5, 20°C). Solubility in water 7.24×10⁻³ (pH 5), 0.483 (pH 7), 15.39 (pH 9) (all in g/l, 20°C). Stability Stable to photolysis. Abiotic hydrolysis DT50 3.5 (pH 4), 253 (pH 7), 319 (pH 9) (all in d, 25°C).
Usage:
For early to mid post-emergence control of grass and some broad-leaved weeds in winter, spring and durum wheat, triticale and rye, at 15 g/ha. For use in combination with metenpyr-diethyl at 45 g/ha.
Normal Formulations:
95% TC, 30 g/L OD
