Ddvp 76% Ec

We are engaged in offering excellent quality DDVP 76% EC to our valuable clients.

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 A C/1 A' 105 Pa (OECD 103); 74 A C/1.3 A' 102 Pa V.p. 2.1 A' 103 mPa (25 A C) (OECD 104) KOW logP = 1.9 (OECD 117); 1.42 (separate study) Henry 2.58 A' 10-2 Pa m3 mol-1 S.g./density 1.425 (20 A C) (OECD 109) Solubility In water c. 18 g/l (25 A C). 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 A C). F.p. >100 A C (DIN 51758); 172 A C (Pensky-Martens closed cup, 1 A' 105 Pa)

APPLICATIONS
Biochemistry Cholinesterase inhibitor. Mode of action Insecticide and acaricide with respiratory.