Chemical name:

O, O-dimethyl-O-(2,2-dichlorovinyl)phosphate

Structural Formula:

Toxicity:

Medium toxic, to technical grade, acute oral LD50 for female rats 50mg/kg, for male rats 80mg/kg acute dermal LD50 for female rats 75 mg/kg, for male rats 107mg/kg; The dosage of no effect level for male rats is 1000ppm, To 80% EC formulation acute oral LD50 for male mice 227mg/kg.

Commercial form:

Technical grade and 80%EC formulation.

Commercial specification:

1

Tech grade

Appearance

Yellow to brown liquid

Dichlorvos content ,%w/w ≥

95.0

Trichlorphon content ,%w/w ≤

2.5

Moisture ,%w/w ≤

0.05

Acidity(calculated as H2SO4), % W/W ≤

0.20

2

1000G/L EC formulation

Appearance

Yellow to brown liquid

Dichlorvos content ,%w/l ≥

1000

Moisture, % w/w ≤

0.1

Acidity(calculated as H2SO4), % W/W ≤

0.3

Emulsion stability (diluted to 200times)

qualified

Application method:

Crop

Pest

Rate (a.i.g/ha)

Method of application

Cotton

cotton aphid

600-1200g/ha

Spraying

Wheat

army worm, aphid

600g/ha

Spraying

Greens

cabbage worm etc.

600g/ha

Spraying

Tea trees

leafeating insect

600g/ha

Spraying

Mulberry trees

mulberry geometrid

600g/ha

Spraying

Apple trees

coding moth, aphid etc.

400-500ppm aqueous solution

Spraying

Barn

various insects in barn

400-500times aqueous solution0.4-0.5g/m3

Fumigation with hanging stripSprinkling

Otherwise

public health insects

300-400times aqueous solution0.08g/m3

Fumigation with hanging strip

Cautions:

Do not mix it with any alkali pesticides. It should be noticed the sorghum is the sensitive crop of the Dichlorvos. For household use the dosage should be strictly controlled. If swallowed, should seek medical advice immediately and show the container and label, Atropine is a main antidote.

Package:

Packed in plastic drum.