COMMON NAME:Methamidophos
CHEMICAL NAME:O,S-dimethyl pyosphoroamidothioate
STRUCTURAL FORMULA:
CHEMICAL NAME:O,S-dimethyl pyosphoroamidothioate
STRUCTURAL FORMULA:
PHYSICAL AND CHEMICAL PROPERTIES:
Pure product is white crystal,m.p.44.5oC.d4201.322,Technical product is yellowish oily liquid,m.p.25oC.Soluble in water,alcohol,dichloromethane and etc.Insoluble in benzene,toluene.Stable at room temperature,it decompeses easily in alkaline solutions.It is corrosive to mild steel and copper-containing alloy.
Pure product is white crystal,m.p.44.5oC.d4201.322,Technical product is yellowish oily liquid,m.p.25oC.Soluble in water,alcohol,dichloromethane and etc.Insoluble in benzene,toluene.Stable at room temperature,it decompeses easily in alkaline solutions.It is corrosive to mild steel and copper-containing alloy.
TOXICITY:
Acute oral LD50 of pure product to rats is 30mg/kg,acute dermal LD50 to rats is 50~110mg/kg.
Acute oral LD50 of pure product to rats is 30mg/kg,acute dermal LD50 to rats is 50~110mg/kg.
SPECIFICATION AND FORMULATION
| Technical | 50EC | |
| Appearance | yellowish oily liquid | yellowish transparent liquid |
| Methamidophos content%(m/m) | 65-76 | 50.0 min |
| Acidity(asH2SO4),%(m/m) | 0.5 max | 0.5 max |
| Moisture,%(m/m) | 0.3 max | 0.3 max |
| Emulsion stability | qualified |
PACKING:
in iron drums with inside surface coatedby anti-corrosie paint,200 kg net each(for Technical).1 liter×12 bottles/case or 0.5 liter
20 bottles/case(for 50EC).
in iron drums with inside surface coatedby anti-corrosie paint,200 kg net each(for Technical).1 liter×12 bottles/case or 0.5 liter
20 bottles/case(for 50EC).REGISTRATION NO.:Technical,PD91101-2,China;50EC,GB37261995,China
USES:It is used tp control most kinds of pests on cotton,fruit trees,cereal crops, forestry and etc.It is high-effective against aphid,beetle,pind bollworm,rice leaf roller, thrip, armyworm as well as umerground pests.
PRECAUTION:
1.For high toxic,it can't be used on vegetable,blbacco and Chinses herbal medicine.
2.Avoid being poisoning,do not spray by low-volume or super low-volume at high temperature.
3.Spraying is forbidden in 25 days before harvest.
4.Be away from fire at transportation and storage.
5.It can not be mixed with alkaline pesticide and fertilizer.
1.For high toxic,it can't be used on vegetable,blbacco and Chinses herbal medicine.
2.Avoid being poisoning,do not spray by low-volume or super low-volume at high temperature.
3.Spraying is forbidden in 25 days before harvest.
4.Be away from fire at transportation and storage.
5.It can not be mixed with alkaline pesticide and fertilizer.
THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLICATION(50 EC)
| Crop | insects | recommendatory rate | method of application |
| cotton | aphid,bollworm,pink bollworm | 750-1125 ml/ha | water 1000 times,spraying |
| rice | borer,thrip,plant hopper | 750-1500 ml/ha | water 1000 times,spraying |
| wheat | armyworm | 375-750 ml/ha | water 1000 times,spraying |
| umderground pests | 750-1500 ml/ha | water 50 times,seeddressing | |
| corn | borers etc. | 750 ml/ha | water 2000 pouring into the center of leave ,or fine sand 100 times |
No comments:
Post a Comment