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 |