| Common
Name: |
Chlorpyrifos
|
| Chemical
Name: |
O,O-diethyl O-3,5,6-trichloro-2-pyridyl
phosphorothioate
|
| CAS
No.: |
2921-88-2
|
|
Structure: |
|
| Molecular
Formula: |
C9H11Cl3NO3PS
|
| Molecular
Weight: |
350.6
|
| Physical
Chemistry: |
Technical chlorpyrifos is white crystalline solid
with a mild sulfur odor.Stability: Wide stability at room
temperature.Density: 1.398(43.5°C).Melting Point: 41.5~43.5°C.Vapour
Pressure: 2.5mPa(25°C).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; Slight
irritation to eye, serious to skin. Subacute oral non-effect level
for rats 0.03mg/kg, chronic oral non-effect level 0.1mg/kg. Chronic
oral non-effect level for dog 0.03mg/kg. No carcinogenic, mutagenic
and teratogenic effects at experimental dosage. Maximum allowed
concentration0.2mg/m3 (TLV) in indoor air. High toxic to fish and
aquatic organisms, LD50 for bulltrout 15mg/l (96 h, 72°C). Toxic to
bees.
|
| Application: |
Chlorpyrifos is a thiophosphate 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.
|
| Technical
Purity: |
97%Tech
|
| Formulation
Type: |
48%EC
| |
