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Chlorpyrifos
Other Name:,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate
CAS Number: [ 2921-88-2 ]
Molecular Formula: C9H11Cl3NO3PS
Chlorpyrifos is registered for the control of a wide range of pests, in part, because of its broad spectrum of activity. Chlorpyrifos is belong to an organophosphorus insecticide, it has gained wide use in agriculture, at industrial and building sites and in domestic applications. In agricultural applications, it is registered to control a broad range of insect pests across most crops as well as in turf and ornamental applications. In the home and in commercial sites it is used to control pests such as cockroaches, termites and fleas. It is also registered for use in flea collars for dogs and cats and in flea shampoos for dogs.
APPLICATIONS 
Biochemistry
Cholinesterase inhibitor.
Mode of action
Non-systemic insecticide with contact, stomach, and respiratory action.
Uses
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.
Formulation types DP; EC; GR; UL; WG; WP;
Our Technical Material (TC) have the specification as per GB19604-2004
| Items | Specification |
| Appearance | white crystalline powder |
| Content (by HPLC) | 95% min. |
| Water | 0.2% max. |
| Insoluble Acetone | 0.5% max. |
| Acidity (as H2SO4) | 0.2% max. |
GHS complaint Safety Data Sheet (SDS) for commercial product of Chlorpyrifos is available uopn requested.