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Details for China METHOMYL

METHOMYL 16752-77-5

Category :

Catalyst and Auxiliary

METHOMYL
CAS NO : 16752-77-5
EC NO : 240-815-0
MF : C5H10N2O2S
MW : 162.2101
Product description :

COMMONNAME:Methomyl ( 99TC,97TC,90SP,20 EC )
CHEMICAL NAME:S-methyl N-(methylcarbaoyloxy)thioacetimidate

PHYSICAL AND CHEMICAL PROPERTIES:Pure product is white crystal,with a slight sulfurous,m.p.78-79oC,d4251.2946,V.P.6.65mPa(25oC)is:58g/kg water;720g/kg acetone;420g/kg ethanol;1kg/kg methanol;30g/kg toluene.Technical is yellowish crystal Stablity:its aqueous solution decomposes slowly at room temperature,more rapidly in alkaline media;in sunlight or a t higher temperatures,decomposes rapidly in soil.

TOXICITY:Acute oral LD50 of pure product to male rats is 17mg/kg,to female rats 24mg/kg,Acute percu-taneous LD50 to male rabbits is >5000mg/kg,it's irritative to eyes of rabbits but not to skin of guinea-pigs.ADI for man is 0.03mg/kg body weight.

FORMULATION AND SPECIFICATION:

?

Technical

20EC

Appearance

yellowish crystal

yellowish oily liquid

Methomyl content%(m/m)

97.0

20.0min

Acidity(asH2SO4)%(m/m)

0.1 max

0.3 max

Moisture%(m/m)

0.5 max

0.4 max

Emulsion stability

?

qualified

PACKING:In iron drums with plastic bag inside,100kg net each.(for technical). 100ml×100 bottles/case,200ml×50 bottles/case(for 20EC)

USES:It is used to contrlol many kinds including:Cotton aphid,American bollworn, black cutworms,stalk borers,cabbage aphids,cabbage caterpillars,rice fulgorids and thrips on field crops,cotton,grapes,cereal crops,maize and sugar beet, vegetables, ornamentals and etc.

PRECAUTION:
1.Avoid being poisoning,if one got infected,use Atropine to treat.
2.Application is forbidden in 7 days before harvest.
3.It can not be mixed with alkaline pesticide and fertilizer.

THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLIATION:(a.i)

Crop insects recommendatory rate method of application
cotton Aphid,Pink bollworn 300-600 g/ha water 1500 times, spraying
cabbage Common cabbage worn, etc 200-400 g/ha water 2000 times, spraying
rice Nilaparvata lugens stal, 300-600 g/ha water 1800 times, spraying
Rice leaf beetle 200-400 g/ha water 2500 times, spraying
tobacco Tobacco green peach aphid 150-250 g/ha water 3000 times, spraying
citrus Citrus leaf miner 150-600 g/ha water 3000 times, spraying
other kinds of crops other kinds of pests 300-600 g/ha water 1000-3000 times, spraying
Synonyms : Lannate;Nudrin;S-Methyl-n-[(methylamino carboxyl)-oxygen]thio acetamide;1-(methylthio) amino methyl ethyl carbamate;1-(methylmercapto) aminomethyl ethylidene, carbamate;Methylthio-1-ethylidenamino methylcarbamate;S-methyl N-(methylcarbamoyloxy)thioacetimidate;methyl N-[[(methylamino)carbonyl]oxy]ethanimidothioate;methyl N-[(methylcarbamoyl)oxy]ethanimidothioate;methyl (1E)-N-[(methylcarbamoyl)oxy]ethanimidothioate;methyl (1Z)-N-[(methylcarbamoyl)oxy]ethanimidothioate;
Molecular Structure : METHOMYL 16752-77-5