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Chemical Identification
Common Name
Mecarbam
中文通用名
灭蚜磷
IUPAC
S-(N-ethoxycarbonyl-N-methylcarbamoylmethyl) O,O-diethyl phosphorodithioate
or
ethyl [(diethoxyphosphinothioylthio)acetyl](methyl)carbamate
CAS
ethyl 6-ethoxy-2-methyl-3-oxo-7-oxa-5-thia-2-aza-6-phosphanonanoate 6-sulfide
CAS No.
2595-54-2
Molecular Formula
C10H20NO5PS2
Molecular Structure
Physical Properties
Molecular weight:329.4; Physical form:Light brown to pale yellow oil; ( tech., pale yellow to brown oil). Density:1.222 (20 °C); Composition:Tech. grade has purity >85%. Vapour pressure:Negligible at room temperature; Solubility:In water <1 g/l (room temperature). In aliphatic hydrocarbons <50 g/ kg (room temperature). Miscible with alcohols, esters, ketones, and aromatic and chlorinated hydrocarbons, at room temperature.; Stability:Subject to hydrolysis below pH 3.;
Toxicology
Oral:Acute oral LD50 for rats 36-53, mice 106 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >1220 mg/ kg. Inhalation: LC50 (6 h) for rats 0.7 mg/l air. Phytotoxicity:Highly phytotoxic to aubergines.
Environmental Profile
Ecotoxicology: 
Bees:Toxic to bees. 

Environmental fate: 
Animals:Metabolism in the rat was principally by hydrolysis, oxidative desulfuration and degradation of the carbamoyl moiety; O-de-ethylation was a minor pathway.Soil:Persists in the soil for 4-6 weeks.
Transport Information
Signal Word:DANGER-POISON; Hazard Class:Ia(Extremely hazardous)

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