Dichlorvos

Chemical name: O,O-dimethyl-O-(2,2-dichlorovinyl)phosphate

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 ≥	97.0	95.0
Trichlorphon content ,% w/w ≤	2.5	2.5
Moisture ,% w/w ≤	0.05	0.05
Acidity(calculated as H2SO4), % W/W ≤	0.20	0.20

2, 80% EC formulation

Appearance	Yellow to brown liquid
Dichlorvos content ,% w/w ≥	77.5
Moisture, % w/w ≤	0.1
Acidity(calculated as H2SO4), % W/W ≤	0.3
Emulsion stability (diluted to 200 times)	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

For optimum effect, user can make some change in dosage depending on specific conditions. 

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 iron drum, net weight 200kg each.