Chemical Identification
Common Name
Iprodione
中文通用名
异菌脲
IUPAC
3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxoimidazolidine-1-carboxamide
CAS
3-(3,5-dichlorophenyl)-N-(1-methylethyl)-2,4-dioxo-1-imidazolidinecarboxamide
CAS No.
36734-19-7
Molecular Formula
C13H13Cl2N3O3
Molecular Structure
Category
Activity
Fungicide
Premix
Chlorothalonil+iprodione
Iprodione+Trifloxystrobin
Iprodione+Thiram
Pyraclostrobin+Iprodione
Boscalid+Iprodione
Epoxiconazole+Iprodione
Thifluzamide+Iprodione
Wettable powder, flowable. 
Premix Parters: fenamiphos; thiram;
Physical Properties
Molecular weight:330.2; Physical form:White, odourless, non-hygroscopic crystals or powder. Density:1.00 (20 °C); ( tech., 1.434-1.435); Composition:Tech. is >96% pure. Melting point:134 °C; ( tech., 128-128.5 °C); Vapour pressure:5 ×10-4 mPa (25 °C); Partition coefficient(n-octanol and water):logP = 3.0 ( pH 3 and 5); Solubility:In water 13 mg/l (20 °C). In n-octanol 10, acetonitrile 168, toluene 150, ethyl acetate 225, acetone 342, dichloromethane 450, hexane 0.59 (all in g/l, 20 °C).; Stability:Relatively stable in acid media, but decomposed in alkaline media. DT50 1-7 d ( pH 7), <1 h ( pH 9). Aqueous solutions are degraded by u.v. light, but are relatively stable in sim;
Toxicology
Oral:Acute oral LD50 for rats and mice >2000 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats and rabbits >2000 mg/kg. Non-irritating to skin and eyes (rabbits). Inhalation: LC50 (4 h) for rats >5.16 mg/l air.
Environmental Profile
Ecotoxicology: 
Algae: EC50 (120 h) for Selenastrum capricornutum 1.9 mg/l.Bees:Contact LD50 >0.4 mg/bee.Birds:Acute oral LD50 for bobwhite quail >2000, mallard ducks >10 400 mg/ kg.Daphnia: LC50 (48 h) 0.25 mg/l.Fish: LC50 (96 h) for rainbow trout 4.1, bluegill sunfish 3.7 mg/l.Worms: LC50 for earthworms >1000 mg/ kg soil.Other beneficial spp.:Harmless. 

Environmental fate: 
Animals:In rats, ruminants and birds, iprodione is rapidly eliminated. It also undergoes extensive metabolism, by hydrolysis and rearrangement reactions.Soil:Rapidly metabolised in soil, with formation of CO2. DT50 (lab.) 20-80 d; (field) 20-160 d. Koc 373 to 1551. Rate of degradation increases with successive treatments, hence accumulation doesPlant:Metabolism studies in cereals, fruit, leafy and oily crops showed that iprodione is the dominant component of the total residue resulting from foliar application. SOIL PARTICLE ADSORPTION: Low order of mobility in soil. Not persistent in soil
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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