Chlorpyrifos(97TC 95TC 48EC 40EC 20EC)
COMMON NAME:Chlorpyrifos
CHEMICAL NAME:O.O-dimethyl-O-(3.5.6-trichloro-2-pyridyl) phosphorothicate
STRUCTURAL FORMULA:
PHYSICAL AND CHEMICAL PROPERTIES:
Technical product is white granular crystal with mercaptan-like odour,stable at normal temperature,m.p.41.5~43.5,It's easily soluble in many organic solvents such as acetone,benzene,dimethyl benzene,dichloroethane,trichloromethane and so on.
TOXICITY:
Acute oral LD50 of technical to mouse is 163 mg/kg,acute dermal LD50 is more than 2000mg/kg.It is lightly irritative to animal eyes. Touching for a long time will lead to be burned.It has no teratoge nicity,carcinogenicity and mutagenicity effect.It's high toxic to fish and aquatic animal,poisonous to bees.
FORMULATION AND SPECIFICATION:
|
|
Technical
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EC
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Carbofuran content,%(m/m)
|
94.0 min
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40.,20
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Moisture(%,m/m)
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0.1 max
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0.3 max
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|
Acidity(as H2SO4),% (m/m)
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X0.1 max
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0.3 max
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USES:It's phosphorathicate insecticide with contact, stomach and fumigation poisoning effect. It has a short residual time in leaves but a longer residual time in soil.So,it is well effective to control underground pests.
PRECAUTION:
1.Avoid using it during the blossom period in order to protect bees.
2.Don't mix it with alkaline pesticides.It can't be used on tobacco.
3.Ceasing period of using on crops before harvest:cotton,21 days;rice,7 days; sugarcane, 7 days;soybean,14 days;peanut,21 days; corn,10 days.
THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLICTION:
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Crop
|
insects
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recommendatory rate
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method of application
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Rice
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leaf rollers
|
360-600 g/ha
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water 750kg and spraying
|
|
thrips
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480-720 g/ha
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water 750kg and spraying
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|
wheat
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armyworms
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240 g/ha
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water 600kg and spraying
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|
aphids
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300-450 g/ha
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water 600kg and spraying
|
|
cotton
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aphids
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300 g/ha
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water 600kg and spraying
|
|
pinkworms
|
700-1020 g/ha
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water 600kg and spraying
|
|
vegetable
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small diamond,black moth
|
600-900 g/ha
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water 1350kg and spraying
|
|
fruit
|
peach pod borer
|
200-400 ppm
|
spraying
|
|
orange leaf miner
|
200-500 ppm
|
spraying
|
|
