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clomazone
2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone
81777-89-1
Mode of action Selective herbicide, absorbed by the roots and shoots and translocated upward. Susceptible species emerge but are devoid of pigmentation.
Uses Control of broad-leaved and grass weeds in soya beans, peas, maize, oilseed rape, sugar cane, cassava, pumpkins, and tobacco. Applied pre-emergence or pre-plant incorporated.
Molecular Weight: 239.7
Molecular Formula: C12H14ClNO2
Form :Clear, colourless to light brown, viscous liquid. Melting point:25 ¨¬C Boiling Point: 275 ¨¬C
Vapor Pressure: 19.2 mPa (25 ¨¬C) KOW logP = 2.5 Henry 4.19 ¢¥ 10-3 Pa m3 mol-1 S.g./density 1.192 (20 ¨¬C) Solubility In water 1.1 g/l. Miscible with acetone, acetonitrile, chloroform, cyclohexanone, dichloromethane, methanol, toluene, heptane, dimethylformamide. Stability Stable at ambient temperatures for at least 2 y
stable at 50 ¨¬C for at least 3 mo. In sunlight, DT50 >30 d in aqueous solution. F.p. 70-75 ¨¬C (closed cup)
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Nanjing Agrovance Chemical Industry Ltd.
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