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Chemical Identification
Common Name
Azinphos-ethyl
中文通用名
益棉磷
IUPAC
S-3,4-dihydro-4-oxo-1,2,3-benzotriazin-3-ylmethyl O,O-diethyl phosphorodithioate
CAS
O,O-diethyl S-[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)methyl] phosphorodithioate
CAS No.
2642-71-9
Molecular Formula
C12H16N3O3PS2
Molecular Structure
Physical Properties
The ethyl homolog of Guthion* (Cas 9CI). Colorless crystals. Molecular weight: 345.4 g/mol;Melting point 50℃. Vapor pressure 3.2 x 10-6 mbar at 20℃. Readily soluble in dichloromethane, toluene; soluble in 2-propanol; barely soluble in n-hexane.
Toxicology
(Rat): Oral LD50 approx. 12 mg/kg. Dermal LD50 approx. 500 mg/kg
Environmental Profile
WATER SOLUBILITY: Nearly insoluble HAZARDS: Fish: LC50 0.008 mg/l (rainbow trout). Bird: LD50 approx. 20 mg/kg (Japanese quail). Bee: Toxic
Transport Information
Signal Word:DANGER; Hazard Class:Ib(Highly hazardous)

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