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Common NameDiclofop
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IUPAC(RS)-2-[4-(2,4-dichlorophenoxy)phenoxy]propionic acid
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CAS2-[4-(2,4-dichlorophenoxy)phenoxy]propanoic acid
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CAS No.40843-25-2
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Molecular FormulaC15H12Cl2O4
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Molecular Structure
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Physical PropertiesMolecular weight:327.2. Physical form:Yellowish-white solid. Density:1.4 (20 °C); Melting point:118-122 °C; Vapour pressure:3.1×10-6 mPa (20 °C); 9.7×10-6 mPa (25 °C); 1.7×10-3 mPa (50 °C) (vapour pressure balance); Partition coefficient(n-octanol and water):logP = 2.81 ( pH 5), 1.61 ( pH 7); pKa:3.43; Solubility:In water 0.453 ( pH 5), 122.7 ( pH 7), 127.4 ( pH 9) (all in g/l, 20 °C).
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ToxicologyOral:Acute oral
LD50 for female rats 586 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats 1657 mg/ kg. ADI:0.001 mg/ kg b.w. (AgrEvo proposed value). -
Environmental ProfileEcotoxicology: Fish:
LC50 (96 h) for rainbow trout 21.9, golden orfe 79.9 mg/l. -
Transport InformationHazard Class:O (Obsolete as pesticide, not classified)
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