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Common NameDifenzoquat
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中文通用名野燕枯
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IUPAC1,2-dimethyl-3,5-diphenylpyrazolium
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CAS1,2-dimethyl-3,5-diphenyl-1H-pyrazolium
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CAS No.49866-87-7
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Molecular FormulaC17H17N2
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Molecular Structure
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Category
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ActivityHerbicide, fungicide
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Physical PropertiesMolecular weight:249.3. Odorless, clear, very slightly yellow liquid. Melting point 150°-160°C; boiling point >100°C.
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ToxicologyTech (Rat): Oral LD50 270 mg/kg. (Rabbit): Dermal LD50 470 mg/kg. Slight eye, skin irritation. Avenge*: (Rat): Oral LD50 508 mg/kg (male); 557 mg/kg (female). (Rabbit): Dermal LD50 >2028 mg/kg. ADI:0.2
mg/ kg b.w. daily. -
Environmental ProfileMiscible HAZARDS: Fish: LD50 696 mg/l (bluegill) (96 h); 694 mg/l (rainbow trout). Bird: Relatively nontoxic (duck/quail). Bee: Nontoxic (honeybee).
WATER SOLUBILITY: 76% at 25°C, 78% at 37°C, 85% at 56°C. -
Transport InformationSignal Word:DANGER; Hazard Class:Ib (Highly hazardous)
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