Fenthion 90%Tc, 50%Ec, 25%Wp, 40%Wp, 50%Wp, 2% Grain, 60%Fume.
O, O-Dimethyl O-[3-methyl-4-(methylthio)phenyl] phosphorothioate.
Molecular weight: 278.34
CAS No.: 55-38-9.
Appearance: Colorless liquid.
Melting Point: 7.5º C
Vapour Pressure: 0.37 mPa at 25º C
Stability: Nearly insoluble - 54-56 mg/L, Very readily soluble in dichloromethane, Readily soluble in 2-propanol. Soluble in n-hexane.
Specification: 90%TC, 50%EC, 25%WP, 40%WP, 50%WP, 2% GRAIN, 60%FUME.
Uses: For fruit flies, mosquitoes, stem borers, Eurygaster cereal bugs, and other insects in fruit, grapes, olives, vegetables, cotton, tea, sugarcane, rice, etc.
|Chemical name||O, O-dimethyl O-(4-methylthio-m-tolyl) phosphorothioate|
|Other name||Baytex, Baycid, Lebaycid|
|Appearance||light brown liquid|
|Melting Point||7.5° C|
|Belting point||87° C(0.01mmHg)|
Stable to ligh, t and up to 210C. Relatively stable in acidic conditions, and moderately stable in alkaline conditions; DT 50 (22C) 223 d (pH 4), 200 d (pH 7), 151 d (pH 9). F. p.: 170C (tech. )
|Mode of action||Fenthion is an insecticide with contact, stomach, and respiratory action.|
Fenthion can control fruit flies, leafhoppers, leaf miners, leaf-eating larvae, stem borers, cereal bugs, and other insect pests in fruit (including citrus), vines, olives, vegetables, cotton, tea, sugar cane, rice, beet, tobacco, ornamentals, etc. For agricultural uses, application rates vary from 60 to 1200 g/ha, depending on crop, pest, pest stage and application method. Control of insect pests (flies, mosquitoes, cockroaches, fleas, ants, ticks, lice, etc. ) in public health situations and animal houses, and control of animal ectoparasites.