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Common NameDinitramine
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中文通用名氨氟灵
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IUPACN1,N1-diethyl-2,6-dinitro-4-trifluoromethyl-m-phenylenediamine
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CASN3,N3-diethyl-2,4-dinitro-6-(trifluoromethyl)-1,3-benzenediamine
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CAS No.29091-05-2
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Molecular FormulaC11H13F3N4O4
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Molecular Structure
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Category
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ActivityHerbicide
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Physical PropertiesMolecular weight:322.2. Physical form:Yellow crystals. Composition:Tech. grade is >83% pure m/m. Melting point:98-99 °C; Vapour pressure:0.479 mPa (25 °C); Partition coefficient(n-octanol and water):logP = c. 4.3; Solubility:In water 1 mg/l (20 °C). In acetone 1040, chloroform 670, benzene 473, xylene 227, ethanol 107, n-hexane 6.7 (all in g/l, 20 °C). Stability:Both a.i. and tech. showed no significant decomposition after 2-y storage at ambient temperatures. Decomposes above 200 °C. Decomposed by sunlight.
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ToxicologyOral:Acute oral
LD50 for rats 3000 mg/kg. Percutaneous:Acute percutaneous LD50 for rabbits >6800 mg/kg. Mild skin and eye irritant (rabbits). Inhalation: LC50 (4 h) for rats >0.16 mg/l air. -
Environmental ProfileEcotoxicology:
Birds:Acute oralLD50 for bobwhite quail >1200, mallard ducks >10 000 mg/kg. Dietary LC50 (8 d) for bobwhite quail >5000, mallard ducks >10 000 mg/kg dietFish: LC50 (96 h) for catfish 3.7, rainbow trout 6.6, bluegill sunfish 11.0 mg/l.
Environmental fate:
Animals:Degraded into small, polar fragments.Soil:Strongly adsorbed on soil, with no leaching. Metabolised by soil micro-organisms. In soils,DT50 10-66 d. Less than 10% remains in most soils 90-120 days after application.Plant:Metabolised rapidly by plants, and extensively degraded into small, polar fragments. -
Transport InformationSignal Word:CAUTION; Hazard Class:III (Slightly hazardous)
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