DDVP-Dichlorovos 76%EC Insecticide
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DDVP-Dichlorovos 76%EC
We are engaged in offering excellent quality DDVP 76% EC to our valuable clients. Dichlorvos
or 2,2-dichlorovinyl dimethyl phosphate (commonly abbreviated as DDVP)
is a organophosphate, widely used as an insecticide to control household
pests, in public health, and protecting stored product from insects . It
is effective against mushroom flies, aphids, spider mites,
caterpillars, thrips, and whiteflies in greenhouse, outdoor fruit, and
vegetable crops. It is also used in the milling and grain handling
industries and to treat a variety of parasitic worm infections in dogs,
livestock, and humans. It is fed to livestock to control bot fly larvae
in the manure. It acts against insects as both a contact and a stomach
poison. It is available as an aerosol and soluble concentrate. NOMENCLATURE Common name dichlorvos (BSI, E-ISO, (m) F-ISO, BAN, ESA); DDVP (JMAF); dichlorfos (USSR); DDVF* (former exception, USSR) IUPAC name 2,2-dichlorovinyl dimethyl phosphate Chemical Abstracts name 2,2-dichloroethenyl dimethyl phosphate CAS RN [62-73-7] EEC no. 200-547-7 Development codes Bayer 19 149; C 177 (Ciba) Official codes OMS 14; ENT 20 738 PHYSICAL CHEMISTRY Mol. wt. 221.0 M.f. C4H7Cl2O4P Form Colourless liquid; (tech., colourless-to-amber liquid, with an aromatic odour). B.p. 234.1 ºC/1 ´ 105 Pa (OECD 103); 74 °C/1.3 ´ 102 Pa V.p. 2.1 ´ 103 mPa (25 ºC) (OECD 104) KOW logP = 1.9 (OECD 117); 1.42 (separate study) Henry 2.58 ´ 10-2 Pa m3 mol-1 S.g./density 1.425 (20 ºC) (OECD 109) Solubility In water c. 18 g/l (25 ºC). 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) (22 ºC). F.p. >100 °C (DIN 51758); 172 °C (Pensky-Martens closed cup, 1 ´ 105 Pa) APPLICATIONS Biochemistry Cholinesterase inhibitor. Mode of action Insecticide and acaricide with respiratory. |