Dichlorvos 62-73-7

Category :

Agrochemicals/Insecticide

CAS NO :

62-73-7

EC NO :

200-547-7

MF :

C₄H₇Cl₂O₄P

MW :

220.9757

Specification :

98TC 95TC 80EC

Packing :

250kg iron drum

Product description :

COMMON NAME:Dichlorvos
CHEMICAL NAME:2,2-dichlorovinyl dimethyl phosphate
STRUCTURAL FORMULA:
PHYSICAL AND CHEMICAL PROPERTIES:
It is a light-yellow or yellowish brown transparent and volatile liquid with a slight aromatic odour,b.p.74oC(1mmHg),d420 1.42.The solubility in water is 1%, it is soluble in most organic solvents; easily hydrolyzes in alkaline solutions; corrosive to iron or soft steel.
TOXICITY: Acute oral LD50 to rats is 56-108mg/kg, acute dermal LD50 to rats is 75-210 mg/kg.
SPECIFICATION AND FORMULATION:

	Technical	80EC
Dichlorvos content % (m/m)	95.0 min	77.5 min
Acidity(as H2SO4),%(m/m)	0.2 max	0.2 max
Moisture,%(m/m)	0.1 max	0.1 max
Trichlorphon content %(m/m)	2.5 max
Emulsion stability		qualified

PACKING:Iron drums with inside surface coated by anti-corrosive paint,200kg net each (for Technical).1 liter×12 bottles/case, 0.5 liter×20 bottles/case (for 80 EC)or according to customers' requirement.
Application:
Insecticide and acaricide with respiratory, contact and stomach action. Gives rapid knockdown. Dichlorvos is used to control of household and public health insect pests, e.g. flies, mosquitoes, cockroaches, bedbugs, ants, etc. stored-product pests in warehouse, storerooms etc, flies and midges in animal houses, sciarid and phorid flies in mushrooms, sucking and chewing insects and spider mites in a wide range of crops, including fruit, vines, vegetables, ornamentals, tea, rice, cotton, hops, glasshouse crops etc. Also used as a veterinary anthelmintic.
USES:Dichlorvos is strong poisonous to pests with stomach poisoning, contact poisoning and fumigation action.It is mainly used on cotton, fruit trees, vegetable, sugarcane, tobacco, tea, mulberry for controlling pests, it can also be used for public health and grain storage pests controlling.
PESTICIDE REGISTRATION CERTIFICATE:PD85105-72
PRECAUTION:
1.To avoid phytotoxicity,don't use dichlorvos on Chinese rose and sorghum.it is also sensitive to the emergence of corn and melon. The dilution times should be more than 800, it is better to have a test before using.
2.The dilution of technical grade diluted with diesel should be used up in one day.
3.It can't be mixed with alkaline solution.
4.The standard of safely using 80% dichlorvos on tea and vegetable has been made in China:

Crop	common rate and	max rate and	method	max times of	safety
	diluting times	diluting times	of use	application	interval
vegetable	1500 g/ha,1500	3000g/ha,500	spraying	5	5 days min
tea	2250 g/ha,1500	3750g/ha,1500	spraying	1	6 days min

THE SCALE,METHOD AND DOSAGE OF APPLICATION (10 EC)

Crops	Insects	recommendatory rate	method of application
cotton	leaf caterpillars,aphids	50-1500g/ha	water,2000 times,spraying
wheat	aphid,armyworm	750g/ha	water,1500 times,spraying
tea	leafminer	750g/ha	water,1500 times,spraying
vegetable	cabbage worms	750g/ha	water,1500 times,spraying
apple	aphid,codling moth		water,2000 times,spraying
(warehouse)	various pests	0.5-0.6g/m3	fumigating or spraying
(health)	various pests	0.1g/m3	fumigating or spraying

Uses :

strong poisonous to pests with stomach poisoning, contact poisoning and fumigation action.It is mainly used on cotton, fruit trees, vegetable, sugarcane, tobacco, tea, mulberry for controlling pests, it can also be used for public health and grain storage

Synonyms :

2,2-Dichlorovinyl dimethyl phosphate;DDVP;O,O-dimethyl-O-(2,2-dichlorovinyl)phosphate ester;Dichlorovos E.C.;2,2-dichloroethenyl dimethyl phosphate;MAFU(R);Atgard;astrobot;BAYER 19149;canogard;HERKOL(R);DICHLORVOS (DIMETHYL-D6);

Molecular Structure :

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