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Monocron -Monocrotophos 36% SL
Monocron Monocrotophos 36% SL
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Monocron : Monocrotophos 36% SL
NOMENCLATURE:- Common name monocrotophos (BSI, E-ISO, (m) F-ISO, ESA, JMAF) IUPAC name dimethyl (E)-1-methyl-2-(methylcarbamoyl)vinyl phosphate; 3-dimethoxyphosphinoyloxy-N-methylisocrotonamide Chemical Abstracts name (E)-dimethyl 1-methyl-3-(methylamino)-3-oxo-1-propenyl phosphate CAS RN [6923-22-4] (formerly [919-44-8]) monocrotophos; [919-44-8] (Z)- analogue; [2157-98-4] (E)- + (Z)- compounds EEC no. 230-042-7 Development codes C 1414 (Ciba); SD 9129 (Shell) Official codes OMS 834; ENT 27 129 PHYSICAL CHEMISTRY Mol. wt. 223.2 M.f. C7H14NO5P Form Colourless, hygroscopic crystals; (tech., ³74%: dark brown semi-solid). M.p. 54-55 ºC B.p. 125 ºC/0.0005 mmHg V.p. 2.9 ´ 10-1 mPa (20 ºC); 9.8 ´ 10-1 mPa (separate studies) KOW logP = -0.22 (calc.) S.g./density 1.22 kg/l (20 ºC). Solubility In water 100% (20 ºC). In methanol 100%, acetone 70%, n-octanol 25%, toluene 6% (all 20 ºC). Sparingly soluble in kerosene and diesel oil. APPLICATIONS Biochemistry Cholinesterase inhibitor. Mode of action Systemic insecticide. Uses Control of a wide range of chewing and sucking insects, e.g. aphids, thrips, lepidopterous larvae, sawflies, leaf miners, leafhoppers, cutworms, etc., at 0.5-1.0 kg/ha, in fruit (including citrus), vines, hops, olives, cotton, soya beans, peanuts, macadamia nuts, beet, brassicas, celery, beans, potatoes, rice, ornamentals, forestry, and other crops. Of moderate persistence, with residual activity lasting c. 10-21 d.
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