Common name

Chlorpyrifos

Other name

Dursban,Lorsban

CAS No

2921-88-2

Molecular formula

C9H11Cl3NO3PS 

Description

Chlorpyrifos tech is white crystalline solid with a mild sulfur odor. 

stability at room temperature.   

1.Density: 1.398(43.5°C).     

2.Melting Point: 41.5~43.5°C. 

3.Vapour Pressure: 2.5mPa(25°C). 

4.Solubility: 1.2mg/l in water, readily soluble in most organic solvents.

Toxicity

Chlorpyrifos is moderate toxic to animals. 

Acute oral LD50 for rats 163mg/kg, 

acute dermal LD50 for rats>2g/kg.

Function

Organophosphorus  insecticide; Contact, stomach, 

and respiratory action.Non persistent on leaves, 

persistent in soil, high efficiency for the control of 

underground pests. At the recommended dosage, 

no phytotoxicity for most crop, 

but sensitive to tobacco.

Controlling spectrum

Control of Coleoptera,Diptera,Homoptera 

and Lepidoptera in soil or on foliage 

in over 100 crops, Also used for control of household pests.

Application crops

rice,wheat,cotton,fruit tree,greenstuff,tea plant.

Storage

Sealed tightly and stored away from light in cool and dry place.