Chlorpyrifos Common name chlorpyriphos-éthyl ((m) France); chlorpyriphos ((m) F-ISO, JMAF); chlorpyrifos (BSI, E-ISO, ANSI, ESA, BAN)
IUPAC name O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
Chemical Abstracts name O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate
CAS RN [2921-88-2]
Chlorpyrifos (CPS), sold under many brand names, is an organophosphate pesticide used to kill a number of pests including insects and worms. It is used on crops, animals, and buildings. It was introduced in 1965 by Dow Chemical Company. It acts on the nervous system of insects by inhibiting acetylcholinesterase
Control of Coleoptera, Diptera, Homoptera and Lepidoptera in soil or on foliage in over 100 crops, including pome fruit, stone fruit, citrus fruit, nut crops, strawberries, figs, bananas, vines, vegetables, potatoes, beet, tobacco, soya beans, sunflowers, sweet potatoes, peanuts, rice, cotton, alfalfa, cereals, maize, sorghum, asparagus, glasshouse and outdoor ornamentals, turf, and in forestry. Also used for control of household pests (Blattellidae, Muscidae, Isoptera), mosquitoes (larvae and adults) and in animal houses. Phytotoxicity Non-phytotoxic to most plant species when used as recommended. Poinsettias, azaleas, camellias, and roses may be injured.
Physical And Chemical Properties
|Appearance and character||white granular crystal|
|Melting point||42-44 ° C|
|Boiling point||200 ° C|
|Flash||2 ° c|
|Index of refraction||1.56|
|Water solubility||Insoluble. 0.00013 g / 100 mL|
|Stability||Stable. Incompatible with strong oxidizing agents.|
|Storage conditions||the warehouse is ventilated and dry at low temperature, and stored and transported separately from food materials|
|Vapor pressure||4.09 e-06 mmHg at 25 ° C|
Handling And Storage
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
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