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Common NamePyrazolynate
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中文通用名吡唑特
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IUPAC4-(2,4-dichlorobenzoyl)-1,3-dimethylpyrazol-5-yl toluene-4-sulfonate
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CAS(2,4-dichlorophenyl)[1,3-dimethyl-5-[[(4-methylphenyl)sulfonyl]oxy]-1H-pyrazol-4-yl]methanone
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CAS No.58011-68-0
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Molecular FormulaC19H16Cl2N2O4S
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Molecular Structure
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Category
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ActivityHerbicide
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PremixPremix Parters: dimethametryn esprocarb pretilachlor; esprocarb; mefenacet; molinate; pretilachlor; propanil; quinclorac;
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Physical PropertiesMolecular weight:439.3; Physical form:Colourless, rod-shaped crystals. Density:1.47 (20 °C); Melting point:117.5-118.5 °C; Vapour pressure:<1.3 × 10-2 mPa (20 °C); Partition coefficient(n-octanol and water):logP = 2.58 (25 °C); Solubility:In water 0.056 /l (25 °C). In ethanol 1.4, ethyl acetate 11.8, 1,4-dioxane 25.6, hexane 0.06 (all in g/l).; Stability:Aqueous solutions hydrolyse readily.
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ToxicologyOral:Acute oral LD50 for male rats 9550, female rats 10 233, male mice 10 070, female mice 11 092 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >5000 mg/kg. Non-irritating to skin. Inhalation: LC50 (4 h) for rats 2.5 mg/l.
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Environmental ProfileEcotoxicology:
Fish: LC50 (48 h) for carp 92 mg/l.
Environmental fate:
Soil:Soil DT50 8-10 d.WATER SOLUBILITY: 0.056 mg/l at 25° C -
Transport InformationSignal Word:CAUTION; Hazard Class:III(Slightly hazardous)
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