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Products center-->> insecticide >> fenthion

fenthion

 

90%tech, 82.5%, 50%ec,

Insecticide

organophosphorus

 

NOMENCLATURE

Common name fenthion (BSI, E-ISO, (m) F-ISO, ESA, BAN); MPP (JMAF)

IUPAC name O,O-dimethyl O-4-methylthio-m-tolyl phosphorothioate 

Chemical Abstracts name O,O-dimethyl O-[3-methyl-4-(methylthio)phenyl] phosphorothioate 

CAS RN [55-38-9]  EEC no. 200-231-9  Development codes Bayer 29 493; S 1752; E 1752  Official codes OMS 2; ENT 25 540 

 

PHYSICAL CHEMISTRY

Mol. wt. 278.3  M.f. C10H15O3PS2  Form Colourless, oily liquid; (tech., brown, oily liquid, with a mercaptan-like odour).  M.p. No solidification point down to -80 C  B.p. 90 C/1 Pa (calc.), 117 C/10 Pa (calc.), 284 C (calc.)  V.p. 0.74 mPa (20 ºC); 1.4 mPa (25 ºC)  KOW logP = 4.84  Henry 5 ´ 10-2 Pa m3 mol-1 (20 C)  S.g./density 1.25 (20 ºC)  Solubility In water 4.2 mg/l (20 ºC). In dichloromethane, toluene, isopropanol >250, hexane 100 (all in g/l, 20 ºC).  Stability Stable to ligh,t and up to 210 ºC. Relatively stable in acidic conditions, and moderately stable in alkaline conditions; DT50 (22 ºC) 223 d (pH 4), 200 d (pH 7), 151 d (pH 9).  F.p. 170 ºC (tech.) 

 

APPLICATIONS

Biochemistry Cholinesterase inhibitor.  Mode of action Insecticide with contact, stomach, and respiratory action.  Uses Control of 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.  Phytotoxicity Non-phytotoxic when used as recommended. Some varieties of apples and cotton may be injured.  Formulation types DP; EC; GR; HN; PO; UL; WP.  Compatibility Incompatible with insecticides and fungicides which are highly alkaline. 

 

CERTIFICATE OF ANALYS:

product name:

fenthion 90% tech

fenthion 50% ec

appearance:

transparent homogeneous liquid

pale yellow transparent liquid

a.i. content:

90.03%

50.05%

water :

0.05%

0.06%

acidity:

0.06%

0.07%

 

Shenzhen Agroland Chemicals Co.,Ltd.
Add: Room 1121, Manyuxuan, Changfengyuan, No. 2021 Chunfeng Road, Luohu District, Shenzhen, P.R. China
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