China Chlorpyrifos - China Supplier
China Chlorpyrifos - China Supplier

Chlorpyrifos

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Industry Category: Chemicals/Pesticides/Insecticides
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CAS NO: 2921-88-2
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Description
Additional Information

Common name:chlorpyrifos(ANSI,ISO,BSI) 
Other name:Dowco179;ENT27311
Chemical name:O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate 
Molecular formula:C9H11Cl3NO3PS
Molecular weight:350.5 
Physiochemical properties: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, LC50 for bulltrout 15mg/l (96 h, 72°C). Toxic to bees. Acute oral LD50 of 40.7% chlorpyrifos EC for rats 590mg/kg, acute dermal for rabbits LD50 2330mg/kg, irritation to skin and eyes. Acute oral of 14% G for rats LD50>2g/kg, acute dermal for rats LD50>2g/kg, acute inhale LC50>0.007μg/L(7 h), irritation to eyes and skin. 
Quality standard

Item name

Index

Content:  %≥ 

95.0,96.0,97.0,98.0

Water content:  %≤ 

0.2

Acidity(based on H2SO4): %≤ 

0.5

Mode of action: 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.
Specification: ≥95%, 96%,97%,98%
Packing: 200kgs Iron Drum  or according to clients demands.

 


Used for protection of fruits, vegetables. cotton, flowers and plants; also used for controlling of pests in soil, ectoparasites on livestock and household pests..

CAS NO:2921-88-2

EC NO:220-864-4

Molecular Formula:C9H11Cl3NO3PS

Molecular Weight:350.5863

Synonyms:;O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate;ANSI;ISO;BSI;Dowco179;ENT27311;O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate;Clorpyrifos;Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester;Chlorpyritos;Eradex;Lorsban;Trichlorpyrphos;Chlorpyriphos;O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate;O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate;

Molecular Structure:毒死蜱 2921-88-2

CAS NO:2921-88-2

EC NO:220-864-4

Molecular Formula:C9H11Cl3NO3PS

Molecular Weight:350.5863

Synonyms:;O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate;ANSI;ISO;BSI;Dowco179;ENT27311;O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate;Clorpyrifos;Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester;Chlorpyritos;Eradex;Lorsban;Trichlorpyrphos;Chlorpyriphos;O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate;O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate;

Molecular Structure:毒死蜱 2921-88-2

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