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Chemical Identification
Common Name
Fosetyl-aluminium
中文通用名
三乙膦酸铝
IUPAC
aluminium tris(ethyl phosphonate)
CAS
aluminum tris[ethyl phosphonate]
CAS No.
39148-24-8
Molecular Formula
C6H18AlO9P3
Molecular Structure
Category
Activity
Fungicide
Premix
Fluopicolide+fosetyl-aluminium
Chlorothalonil+fosetyl-aluminium
Fosetyl-aluminium+mancozeb
Copper adipate+copper glutarate+copper succinate+fosetyl-aluminium
fosetyl-aluminium+propamocarb hydrochloride
Flumorph+Fosetyl-aluminium
Physical Properties
Molecular weight:354.1; Physical form:Colourless powder; ( tech. is a white to yellowish powder). Composition:Tech. is 95% pure. Melting point:>200 °C; Vapour pressure:<0.013 mPa (25 °C); Henry constant:<3.93 × 10-8 Pa m3 mol-1 ( calc.); Partition coefficient(n-octanol and water):logP = -2.7 ( pH 4); Solubility:In water 120 g/l (20 °C). In methanol 920, acetone 13, propylene glycol 80, ethyl acetate 5, acetonitrile 5, hexane 5 (all in mg/l, 20 °C).; Stability:Hydrolysis of fosetyl-aluminium occurs under extreme acid or alkaline conditions. DT50 5 d ( pH 3), 13.4 d ( pH 13). Decomposes above 200 °C.;
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. Inhalation: LC50 (4 h) for rats >1.73 mg/l air.
Environmental Profile
Ecotoxicology: 
Algae: EC50 (96 h) for Scenedesmus panonicus 21.9 mg/l.Bees:No mortality to honeybees at 0.2 mg/bee (contact).Birds:Acute oral LD50 for bobwhite quail >8000 mg/ kg.Daphnia: LC50 (96 h) 189 mg/l.Fish: LC50 (96 h) for rainbow trout 94.3-428 mg/l.Worms:Harmless.Other aquatic spp.: LC50 (96 h) for fiddler crab 145 mg/l.Other beneficial spp.:Harmless. 

Environmental fate: 
Animals:Fosetyl-aluminium is almost completely absorbed and undergoes extensive metabolic transformation, the major end-products being CO2 and phosphorous acid.Soil:In soil, fosetyl-aluminium has an extremely short half-life under both aerobic and anaerobic conditions, with rapid dissipation and metabolism; DT50 (aerobic) 20 min to 1.5 h. In water, its stability is
Transport Information
Hazard Class:III(Slightly hazardous)

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