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Products center-->> insecticide >> ethoprophos

ethoprophos

 

90%tech, 20%ec, 10%G,

Nematicide, insecticide

organophosphorus

 

NOMENCLATURE

Common name ethoprophos (BSI, E-ISO, (m) F-ISO); ethoprop (ANSI, ESA, Society of Nematologists (USA))

IUPAC name O-ethyl S,S-dipropyl phosphorodithioate 

Chemical Abstracts name O-ethyl S,S-dipropyl phosphorodithioate 

CAS RN [13194-48-4]  EEC no. 236-152-1  Development codes VC9-104 (Mobil) 

 

PHYSICAL CHEMISTRY

Mol. wt. 242.3  M.f. C8H19O2PS2  Form Pale yellow liquid.  B.p. 86-91 ºC/0.2 mmHg  V.p. 46.5 mPa (26 ºC)  KOW logP = 3.59 (21 ºC)  S.g./density 1.094 (20 ºC)  Solubility In water 700 mg/l (20 ºC). In acetone, ethanol, xylene, 1,2-dichloroethane, diethyl ether, ethyl acetate, petroleum spirit, cyclohexane >300 g/kg (20 ºC).  Stability Very stable in neutral and weakly acidic media. Rapidly hydrolysed in alkaline media. Stable in water up to 100 ºC at pH 7.  F.p. 140 ºC (closed cup) 

 

APPLICATIONS

Biochemistry Cholinesterase inhibitor.  Mode of action Non-systemic nematicide and soil insecticide with contact action.  Uses Control of plant-parasitic nematodes and soil insects in ornamentals, potatoes, sweet potatoes, tomatoes, vegetables, maize, soya beans, peanuts, cucurbits, strawberries, citrus, tobacco, bananas, pineapples, sugar cane, turf, and other crops, at 1.6-6.6 kg a.i./ha.  Formulation types EC; GR.  Compatibility Incompatible with alkaline materials. 


CERTIFICATE OF ANALYS:

product name

ethoprophos 90% tc

ethoprophos 20% ec

appearance

light-yellow transparent liquid

light-yellow transparent liquid

a.i.content

90.10%

20.40%

water

0.38%

0.26%

ph value

 

2.95

flash point

 

51

emulsion stability

 

qualified

acidity

0.18%

 

 

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