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CAS No. 62-73-7 |
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Product Name Dichlorvos
CAS No. 62-73-7
Categories Insecticides
Chemical Structure
NOMENCLATURE
Common name: dichlorvos; dichlorfos; DDVP
IUPAC name: 2,2-dichlorovinyl dimethyl phosphate
Chemical Abstracts name: 2,2-dichloroethenyl dimethyl phosphate
EEC no.: 200-547-7
PHYSICAL CHEMISTRY
Mol. wt.: 221.0;
M.f.: C4H7Cl2O4P;
Form: Colourless liquid; (tech., colourless-to-amber liquid, with an aromatic odour). B.p.: 234.1C/1x105 Pa (OECD 103); 74C/1.3x102 Pa.
V.p.: 2.1 103 *** (25C) (OECD 104).
KOW: logP = 1.9 (OECD 117); 1.42 (separate study).
Henry: 2.58x10-2 Pa m3 mol-1
S.g./density: 1.425 (20C) (OECD 109).
Solubility: In water c. 18 g/l (25C). Completely miscible with aromatic hydrocarbons, chlorinated hydrocarbons and alcohols; moderately soluble in diesel oil, kerosene, isoparaffinic hydrocarbons, and mineral oils.
Stability: Stable to heat. Slowly hydrolysed in water and in acidic media, and rapidly hydrolysed by alkalis, to dimethyl hydrogen phosphate and dichloroacetaldehyde; DT50 (est.) 31.9 d (pH 4), 2.9 d (pH 7), 2.0 d (pH 9) (22C).
F.p.: >100C (DIN 51758); 172C (Pensky-Martens closed cup, 1x105 Pa).
APPLICATIONS
Biochemistry: Cholinesterase inhibitor.
Mode of action: Insecticide and acaricide with respiratory, contact, and stomach action. Gives rapid knockdown.
Uses: Control of household and public health insect pests, e.g. flies, mosquitoes, cockroaches, bedbugs, ants, etc.; stored-product pests in warehouses, storerooms, etc.; flies and midges in animal houses; sciarid and phorid flies in mushrooms; sucking and chewing insects, and spider mites in a wide range of crops, including fruit, vines, vegetables, ornamentals, tea, rice, cotton, hops, glasshouse crops, etc. Also used as a veterinary anthelmintic.
Phytotoxicity: Non-phytotoxic when used as directed, except to some varieties of chrysanthemum.
Formulation types: AE; EC; GR; HN; KN; OL; SL; Impregnated strip.
Co***tibility: Inco***tible with alkaline materials, chinomethionat, and dichlofluanid.
MAMMALIAN TOXIC |
| Company: |
Shanghai Kima Chemical Co., Ltd
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| Contact: |
Ms. sandy grance |
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Rm 2219, 22F, Zhongyi Mansion, No. 2, Lane 1040, Caoyang Road, Shanghai, China |
| Postcode: |
200063 |
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0086-21-52661975 |
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0086-21-52661949 |
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