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Common NamePyriftalid
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中文通用名环酯草醚
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IUPAC(RS)-7-(4,6-dimethoxypyrimidin-2-ylthio)-3-methyl-2-benzofuran-1(3H)-one
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CAS7-[(4,6-dimethoxy-2-pyrimidinyl)thio]-3-methyl-1(3H)-isobenzofuranone
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CAS No.135186-78-6
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Molecular FormulaC15H14N2O4S
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Molecular Structure
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Physical PropertiesMolecular weight:318.4; Physical form:Odourless solid. Density:1.44; Melting point:163.4 °C; Vapour pressure:2.2 × 10-5 mPa (25 °C); Partition coefficient(n-octanol and water):logP = 2.6; Solubility:In water 1.8 mg/l (25 °C);
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ToxicologyOral:Acute oral LD50 for rats >5000 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/ kg. Inhalation: LC50 >5540 mg/m3.
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Environmental ProfileEcotoxicology: Bees:LD50 >138.5µg/bee.Birds:Acute oral LD50 2000 mg kg.Daphnia: LC50 >96.5 mg/l.Fish: LC50 >100 mg/ kg.Other aquatic spp.:>100 mg/l. Environmental fate: Soil:Rapidly degraded;
50 5-20 days.Plant:No detectable residues. -
Transport InformationHazard Class:III(Slightly hazardous)
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