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COMMON NAME:Acephate
CHEMICAL NAME:O,S-dimethyl-acetylphosphoramidothioate
STRUCTURAL FORMULA:
PHYSIAL AND CHEMIAL PROPERTIES:
Pure product is a white crystal,m.p.90~91oC.Technical product,m.p. 70~80oC,d420 1.35.Soluble in water and polar solvents such as methanol,ethanol,acetone and dichloromethane,dichloroethane and so on,slightly soluble in xylene,and ether.It is stable in acidic medium,however,it lydrolyzes easily in alkaline solution.
TOXICITY:
Acute oral LD50 of technicalproduct to rats is 945 mg/kg,acute dermal LD50 to mouse is 714 mg/kg,acute dermal LD50 to rabbits is 2000mg/kg.No records of teratogenicity,arcinogenicity and chronic toxicity.To fish,animal,bird,it's low toxic.
FORMULATION AND SPECIFICATION:
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Technical
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75SP
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Appearance
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white crystal
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white powder
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Acephate content%(m/m)
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95.0-97.0
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75.0 min
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Moisture %(m/m)
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0.5 max
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2.0 max
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Acidity(asH2SO4)%(m/m)
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0.5 max
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0.5 max
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Emulsion stability(200 times)
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PACKING:25kg woven bag
USES: this product can be used to control many kinds of pests such as leafhoppers,sharpshooters,rice leafroilers,diamond back moth,aphids,red spiders etc on cereal,oil-bearing plant,fruit,vegetable
PRECAUTION:1.It can't be mixed with alkaline pesticide or fertilizer
2.Don't apply on mulberry,tea and sunflower.
THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLICATION:
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Crops
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Insects
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Active ingredient
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Method of application
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Vegetable
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cabbage caterpillar aphid
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360-690 g/ha 225-330 g/ha
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water 600-750 kg,spraying water 750-1250 kg,spraying
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Rice
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leaf roller leafhopper
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570-1020 g/ha 360-675 g/ha
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water 900-1125 kg,spraying
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Cotton
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aphid,yellow moth boll,pink bollworm
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450-675 g/ha 675-900 g/ha
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water 750-1125 kg,spraying water 1125-1500 kg,spraying
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fruit tree Wheat,maiz
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moth scale of orange army worm
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500-1000 ppm 400-600 ppm 490-1080 g/ha
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spraying spraying water 750-1500 kg,spraying
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Tobacco
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budworm
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450-900 g/ha
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water 750-1500 kg,spraying
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