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Chemical Identification
Common Name
Propiconazole
中文通用名
丙环唑
IUPAC
(2RS,4RS;2RS,4SR)-1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-ylmethyl]-1H-1,2,4-triazole
CAS
1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1H-1,2,4-triazole
CAS No.
60207-90-1
Molecular Formula
C15H17Cl2N3O2
Molecular Structure
Category
Activity
Fungicide
Premix
Chlorothalonil+cyproconazole+propiconazole
Chlorothalonil+fludioxonil+propiconazole
Chlorothalonil+propiconazole
Azoxystrobin+propiconazole
Trifloxystrobin+propiconazole
Fenpropidin+propiconazole
trifloxystrobin+propiconazole+prothioconazole
Difenoconazole+Propiconazole
Propiconazole+Isoprothiolane
Propiconazole+Picoxystrobin
PROPICONAZOLE+TEBUCONAZOLE
PERMETHRIN+PROPICONAZOLE+TEBUCONAZOLE
Emulsifiable concentrate, seed treatment, wettable powder. 
Premix Parters: cyfluthrin piperonyl butoxide tetramethrin; disulfoton;
Physical Properties
Molecular weight:342.2; Physical form:Yellowish, odourless, viscous liquid ( tech.). Density:1.29 (20 °C); Vapour pressure:2.7 ×10-2 mPa (20 °C); 5.6 ×10-2 mPa (25 °C); Henry constant:9.2 × 10-5 Pa m3 mol-1 (20 °C, calc.); Partition coefficient(n-octanol and water):logP = 3.72 ( pH 6.6, 25 °C); pKa:1.09, v. weak base; Solubility:In water 100 mg/l (20 °C). In n-hexane 47 g/l. Completely miscible with ethanol, acetone, toluene and n-octanol (25 °C).; Stability:Stable up to 320 °C; no significant hydrolysis.
Toxicology
Oral:Acute oral LD50 for rats 1517, mice 1490 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >4000, rabbits >6000 mg/kg. Non-irritating to skin and eyes (rabbits). No sensitisation (guinea pigs). Inhalation:LC50 (4 h) for rats >5800 mg/m3. ADI:( JMPR) No ADI[1992].
Environmental Profile
Ecotoxicology: 
Algae: EC50 0.02-13.6 mg/l for three freshwater algae and two diatom species.Bees:Not toxic to bees; LD50 (contact and oral) >100µg/bee.Birds:Acute oral LD50 for Japanese quail 2223, bobwhite quail 2825, mallard ducks >2510, Pekin ducks >6000 mg/kg. LC50 (8 d) for Japanese quail >1000, bobwhite quail >5620, mallard ducks >Daphnia: EC50 4.8 mg/l.Fish: LC50 (96 h) for carp 6.8, rainbow trout 5.3, golden orfe 5.1, spot 2.6 mg/l.Worms:No toxic effects against Lumbricus rebellus.Other aquatic spp.: LC50 (96 h) for crayfish 42 mg/l. EC50 (96 h) for mysid shrimp (Mysidopsis bahia) 0.5 mg/l.Other beneficial spp.:Under field conditions, not expected to have any significant impact. 

Environmental fate: 
Animals:After oral administration to the rat, propiconazole is rapidly absorbed and also rapidly and almost completely eliminated with urine and faeces. Residues in tissues were generally low and there was no evidence for accumulation or retention of propiconazolSoil: DT50 in aerobic soils (25 °C) 40-70 d. The main degradation pathways are hydroxylation of the propyl side-chain and the dioxolane ring, and finally formation of 1,2,4-triazole. Koc (ads) 950 ml/g, immobile in soil.Plant:Degradation proceeds through hydroxylation of the n-propyl side-chain and deketalisation of the dioxolan ring. After cleavage of triazole, triazole-alanine is formed as the main metabolite. Metabolites are conjugated mostly as glucosides.
Transport Information
Signal Word:CAUTION; Hazard Class:II(Moderately hazardous)

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