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Chlorpyrifos Supplier
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chlorpyrifos, |
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CAS No. 2921-88-2 |
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Product Name Chlorpyrifos
CAS No. 2921-88-2
Categories Insecticides
Chemical Structure
NOMENCLATURE
Common name: chlorpyrifos; chlorpyriphos; chlorpyriphos-¨¦thyl
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
PHYSICAL CHEMISTRY
Mol. wt.: 350.6;
M.f.: C9H11Cl3NO3PS;
Form: Colourless crystals, with a mild mercaptan odour.
M.p.: 42-43.5C;
V.p.: 2.7 *** (25C);
KOW: logP = 4.7;
Henry: 6.76x10-1 Pa m3 mol-1 (calc.)
S.g./density: 1.44 (20C)
Solubility: In water c. 1.4 mg/l (25C). In benzene 7900, acetone 6500, chloroform 6300, carbon disulfide 5900, diethyl ether 5100, xylene 5000, iso-octanol 790, methanol 450 (all in g/kg, 25C).
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, 25C) to 100 d (phosphate buffer, pH 7, 15C).
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, a***ragus, 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.
Co***tibility: Inco***tible with alkaline materials.
MAMMALIAN TOXICOLOGY
Oral: Acute oral LD50 for rats 135-163, guinea pigs 504, rabbits 1000-2000 mg/kg.
Skin and eye: Acute percutaneous LD50 fo |
| Company: |
Shanghai Kima Chemical Co., Ltd
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| Contact: |
Ms. sandy grance |
| Address: |
Rm 2219, 22F, Zhongyi Mansion, No. 2, Lane 1040, Caoyang Road, Shanghai, China |
| Postcode: |
200063 |
| Tel: |
0086-21-52661975 |
| Fax: |
0086-21-52661949 |
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