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Products center-->> insecticide >> acephate

acephate

98%, 95%tech, 75%,50%wp, 40%ec

Insecticide

organophosphorus

 

NOMENCLATURE

Common name acephate (BSI, E-ISO, (m) F-ISO, ANSI, ESA, JMAF)

IUPAC name O,S-dimethyl acetylphosphoramidothioate 

Chemical Abstracts name N-[methoxy(methylthio)phosphinoyl]acetamide 

CAS RN [30560-19-1]  EEC no. 250-241-2  Development codes Ortho 12 420 (Chevron)  Official codes ENT 27 822 

 

PHYSICAL CHEMISTRY

Composition Tech. grade is >97% pure.  Mol. wt. 183.2  M.f. C4H10NO3PS  Form Colourless crystals; (tech., a colourless solid).  M.p. 88-90 ºC; (tech., 82-89 ºC)  V.p. 0.226 mPa (24 ºC)  KOW logP = -0.89  S.g./density 1.35  Solubility In water 790 g/l (20 ºC). In acetone 151, ethanol >100, ethyl acetate 35, benzene 16, hexane 0.1 (all in g/l, 20 ºC).  Stability Hydrolysis DT50 50 d (pH 5-7, 21 C), photodegradation DT50 (l = 253.7 nm) 55 h. 

 

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, tobacco, ornamentals, forestry, and other crops. Of moderate persistence, with residual activity lasting c. 10-21 d.  Phytotoxicity Non-phytotoxic to most crops, but marginal leaf burn may occur on Red Delicious apples.  Formulation types AE; CG; GR; SP; WP. 

 

CERTIFICATE OF ANALYS:

product name

acephate 98% tc

acephate 95% tc

acephate 75% sp

acephate 50% wp

acephate 40% ec

appearance

white powder

white powder

white powder

loose powder

 

a.i.content

98.2%

95.3%

75.06%

50.6%

40.3%

moisture

0.2%

0.3%

0.8%

0.7%

0.1%

acidity

0.47%

0.47%

 

 

0.5%

acetamide content

0.2%

0.2%

 

 

 

methamidophos content

0.3%

0.3%

 

 

 

Suspensibility

 

 

 

83%

 

ph value

 

 

4.6

4.6

5.5

fineness

 

 

99%

95.1%

 

wetting time(s)

 

 

 

23

 

Shenzhen Agroland Chemicals Co.,Ltd.
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