Fosetyl Al
Structural Formula Vector Image
Title: Fosetyl Al
CAS Registry Number: 39148-24-8
CAS Name: Phosphonic acid monoethyl ester aluminum salt
Additional Names: aluminum tris(ethyl phosphite); aluminum tris(O-ethylphosphonate); efosite Al; phosethyl Al
Manufacturers' Codes: LS-74-783
Trademarks: Aliette (Bayer CropSci.)
Molecular Formula: C6H18AlO9P3
Molecular Weight: 354.10
Percent Composition: C 20.35%, H 5.12%, Al 7.62%, O 40.66%, P 26.24%
Literature References: Systemic fungicide translocated both upwards and downwards in plants. Prepn: V. V. Orlovskii et al., J. Gen. Chem. USSR 42, 1924 (1972). Alternate prepn, fungicidal properties: J. Ducret et al., DE 2456627; eidem, US 4139616 (1975, 1979 both to Rhone-Poulenc); J. Abblard et al., US 4143059 (1979 to Philagro). Biological properties and field trials against vine mildew and other Phycomycetes pathogens: A. Bertrand et al., Phytiatr.-Phytopharm. 26, 3 (1977). Evaluation of carcinogenicity: J. A. Quest et al., Regul. Toxicol. Pharmacol. 14, 3 (1991). Review of properties and fungicidal action on tropical, temperate crops: D. J. Williams et al., Proc. Br. Crop Prot. Conf. - Pests Dis. 1977, 565.
Properties: White odorless crystals, mp >300°. Soly in water at 20°: 120 g/l. Practically insol in acetonitrile, propylene glycol (<80 mg/l). LD50 in rats, mice, Japanese quail, rabbits (mg/kg): 5800, 3700, 4997, 2680 orally; LD50 i.p. in rats: 550 mg/kg (Williams).
Melting point: mp >300°
Toxicity data: LD50 in rats, mice, Japanese quail, rabbits (mg/kg): 5800, 3700, 4997, 2680 orally; LD50 i.p. in rats: 550 mg/kg (Williams)
Use: Agricultural fungicide.

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