【Chemical name】 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylic acid

【Molecular weight】373.4
【Molecular formular】C₁₁H₁₁N₅O₆S₂

【Molecular structure】

【Mode of action】 Post-emergence, selective herbicide acting primarily through foliar uptake with little or no soil activity
【Uses】Selective control of a wide range of annual weeds in cereals, maize and pasture.
【Physical chemistry】 Form Off-white solid, with no odour. M.p. 176 °C; (tech., 171.1 °C) V.p. 1.7 × 10^-5 mPa (25 °C) (Knudsen method) K_ow logP = 1.06 (pH 5), 0.02 (pH 7), 0.0079 (pH 9) Henry 9.7 × 10^-16 Pa m³ mol^-1 (pH 7, 25 °C) S.g./density 1.580 (20 °C) Solubility In water 223 (pH 5), 2240 (pH 7), 8830 (pH 9) (all in mg/l, 25 °C). In hexane <0.1, o-xylene 0.212, ethyl acetate 3.3, methanol 2.8, acetonitrile 7.7, acetone 10.3, dichloromethane 23.8 (all in g/l, 25 °C). Stability Aqueous hydrolysis DT₅₀ 4-6 d (pH 5), 180 d (pH 7), 90 d (pH 9) (all 25 °C). pKa 4.0 (25 °C)