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55- 38-9 Fenthion

IUPAC name 0,0-dimethyl O-4-methylthio-m-tolyl phosphorothioate Molecular formula C10H15O3PS2 Toxicity class USEPA II WHO II [Pg.140]

Uses Pure fenthion is a colorless liquid. Technical fenthion is a yellow or brown oily liquid with a weak garlic odor. It is grouped by the USEPA under RUP and requires handling by qualified, certified, and trained workers. Fenthion is used for the control of sucking and biting pests (e.g., fruitflies, stem borers, mosquitoes, cereal bugs). In mosquitoes, it is toxic to both the adult and the immature forms (larvae). The formulations of fenthion include dust, emulsifiable concentrate, granular, liquid concentrate, spray concentrate, ultra-low volume, and wettable powder.28 [Pg.140]

Toxicity Fenthion is moderately toxic to mammals and highly toxic to birds. The acute oral LD50 of fention for rats is 250 mg/kg and the acute dermal LD50 for rats is 700 mg/kg. It is slightly toxic via inhalation for rats, with an acute LC50 [Pg.140]

Chlorfenvinphos, cythion, diazinon, elsan, fenitrothion, fenthion, malathion, methyl parathion, mevinphos, monocrotophos, parathion, quinalphos, temephos, TEPA, tetrachlorvinphos... [Pg.45]

Another way for OPPs to transform in mammals is linked to their direct oxidation, accompanying the formation of sulfoxide and sulfone, more toxic products. This takes place particularly when using the insecticide fenthion [21]. The systemic insecticide and acaricide demeton is an interesting case. [Pg.111]

Lores et al. [382] discussed the determination of the organophosphate insecticide fenthion in seawater. The method comprises a solvent extraction followed by silica gel clean-up procedure prior to determination by gas chromatography with thermionic detection. Detection levels of 0.01 pg/1 were achieved. [Pg.424]

Linn, J.D. 1968. effects of low volume spraying of Dursban and Fenthion on fish. Down to Earth 24 28-30. [Pg.903]

Tsuda, T., S. Aoki, T. Inoue, and M. Kojima. 1995. Accumulation and excretion of diazinon, fenthion and fenitrothion by killifish comparison of individual and mixed pesticides. Water Res. 29 455-458. [Pg.985]

Smith, H.G., Jr. and R.L. Goulding. 1970. Toxicological aspects of three organophosphorus compounds (cythioate, famphur, and fenthion) in the host-ectoparasite system. Jour. Econ. Entomol. 63 1640-1646. [Pg.1090]

Bowman MC, Beroza M. 1969. Rapid GLC method for determining residues for fenthion, disulfoton and phorate in corn, milk, grass and feces. J Assoc Off Anal Chem 52 1231-1239. [Pg.179]

Sundloff SF, Clemmons RM, Mayer DJ, et al. 1984. Cholinesterase activity in plasma, red blood cells, muscle, and brain of dogs following repeated exposure to Spotton (Fenthion). Vet Hum Toxicol 26 112-117. [Pg.197]

Fenthion [55-38-9] Daphnia pulex EC50 (48-h) -3.10 Johnson and Finley, 1980... [Pg.1375]

Fenoxaprop acid, ethyl alcohol, see Fenoxanrop-ethyl Fensulfothion sulfide, see Fensulfothion Fenthion sulfone, see Fenthion Fenthion sulfone phosphate, see Fenthion Fenthion sulfoxide, see Fenthion Fluoranthene, see Bis(2-ethylhexyl) phthalate. Naphthalene... [Pg.1530]

CASRN 55-38-9 molecular formula C10H15O3PS2 FW 278.33 Biological Based on the first-order biotic and abiotic rate constants of fenthion in estuarine water and sediment/water systems, the estimated biodegradation half-lives were 22.4 and 3.9-14.5 d, respectively (Walker et al, 1988). [Pg.1583]

Surface Water. In estuarine water, the half-life of fenthion was 4.6 d (Lacorte et al., 1995). [Pg.1583]

Plant. Fenthion oxidizes to the mesulfenfos and fenthion sulfone which degrades to the sulfone phosphate before undergoing hydrolysis (Hartley and Kidd, 1987). [Pg.1583]

Fenthion hydrolyzes in water forming 0,0-dimethyl-O-(4-(methylthio)-/ 3-tolyl) phosphate (bayoxon) and 3-methyl-4-methylthiophenol (Suffet et al., 1967). [Pg.1584]

Roux. D.. Jooste. S.. Truter. E.. and Kempster. P. An aquatic toxicological evaluation of fenthion in the context of finch control in South Africa. Ecotoxicol Environ. Saf., 31(2) 164-172. 1995. [Pg.1717]

Fenthion metabolites (fenthion sulfone, fenthion sulfoxide, fenoxon, fenoxon sulfoxide, fenoxon sulfone)... [Pg.15]

Toxicology. Fenthion is an anticholinesterase agent and may also cause delayed neurotoxicity and ocular damage. [Pg.339]

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