Chlorpyrifos

TC & FORMULATION: 95%TC, 97%TC, 480G/LEC, 30% EW, 15%GR

Structure Formula:  

NOMENCLATURE

Common name chlorpyrifos (BSI, E-ISO, ANSI, ESA, BAN); chlorpyriphos ((m) F-ISO, JMAF); chlorpyriphos-éthyl ((m) France)

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]  EEC no. 220-864-4 

PHYSICAL CHEMISTRY

Mol. wt. 350.6  M.f. C9H11Cl3NO3PS  Form Colourless crystals, with a mild mercaptan odour.  M.p. 42-43.5 ºC  V.p. 2.7 mPa (25 ºC)  KOW logP = 4.7  Henry 6.76 ´ 10-1 Pa m3 mol-1 (calc.)  S.g./density 1.44 (20 °C)  Solubility In water c. 1.4 mg/l (25 ºC). In benzene 7900, acetone 6500, chloroform 6300, carbon disulfide 5900, diethyl ether 5100, xylene 5000, iso-octanol 790, methanol 450 (all in g/kg, 25 ºC).  Stability Rate of hydrolysis increases with pH, and in the presence of copper and possibly of other metals that can form chelates; DT50 1.5 d (water, pH 8, 25 ºC) to 100 d (phosphate buffer, pH 7, 15 ºC). 

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; Microcapsule.  Compatibility Incompatible with alkaline materials.

About price and product information, please click Message button.

Open the consulting page, please Writing information, customer manager will reply within 24 hours!

or Contact email：Donna.wen@molotuschem.com

Cell-phone number：17717500809

Tel：0086 21 61203246

Fax：0086 21 61612025

Address：Room 402, No.553, Maotai Road, Changning District, Shanghai.