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Common NameNeburon
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中文通用名草不隆
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IUPAC1-butyl-3-(3,4-dichlorophenyl)-1-methylurea
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CASN-butyl-N′-(3,4-dichlorophenyl)-N-methylurea
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CAS No.555-37-3
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Molecular FormulaC12H16Cl2N2O
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Molecular Structure
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Category
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ActivityHerbicide
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PremixFlowable, wettable powder. Premix Parters: atrazine rimsulfuron; dicamba diflufenzopyr; rimsulfuron.
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Physical PropertiesMolecular weight:275.2g/mol; Physical form:Colourless crystals. Melting point:102-103℃; Solubility:In water 5 mg/l (25℃). Sparingly soluble in hydrocarbon solvents.; Stability:Very stable to moisture and atmospheric oxidation in neutral media. Hydrolysed by acids and alkalis.
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Toxicology(Rat): LD50 >11,000 mg/kg.Percutaneous:A 15% suspension in dimethyl phthalate is a mild skin irritant (guinea pigs).
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Environmental ProfileEcotoxicology:
Bees:Low toxicity to bees.Fish:Mortality of four fish species was 90% at 0.6-0.9 mg/l (96 h). Environmental fate: Soil:As with other phenylurea herbicides, degradation involves dealkylation of the terminal nitrogen atom, ring hydroxylation, degradation to dichlorohydroxyaniline, presumably followed by ring opening. Duration of residual activity in soil is c. 3-4. -
Transport InformationSignal Word:CAUTION; Hazard Class:III(Slightly hazardous)
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