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Trichlorphon

 

Chemical name:

O,O-dimethyl-(1-hydroxy-2,2,2-trichloroethyl) phosphonate

Structural Formula:

Toxicity:

Low toxic, to technical grade, acute oral LD50 for female rats 560mg/kg, for male rats 630mg/kg , acute dermal LD50 for rats >2000 mg/kg, NOEL (2y) for rats 500ppm

Commercial form:

90%Tech, 97% Refined grade, 80SP

 

Commercial specification:

 

Appearance

White crystalline solid

White or light yellow solid

AI content ,%w/w ≥

97.0

90.0

Moisture ,%w/w ≤

0.4

-

Acidity(calculated as H2SO4), % W/W ≤

0.3

1.5

 

Trichlorfon , w/w, min

80.0%

Acidity, max

0.8

Moisture, max

1.5

Appearance

White powder

Conclusion

Qualified

 

Scope and application methods:

 

Crop

Pest

Rate (a.i.g/ha)

Method of application

Rice

rice borers etc.

1.5-1.8kg/ha

Spraying , sprinkling, soil treatment

Wheat

army worm

1.8kg/ha

Spraying

Vegetable

cabbage worm etc.

0.96-1.2kg/ha

soil insects

0.75-1.5kg/ha

Poison bait

Citrus

leaf rollers etc.

600-750ppm

spraying

Tobacco

oriental tobacco bud worm etc.

900ppm

Tea trees

tea geometrid thorn moth etc

450-900ppm

Forest

pine moth etc.

600-900ppm

 

Package:

 

Fiber drum with inner plastic bag, 50kg net.

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