| Identification | Back Directory | [Name]
IMICYAFOS | [CAS]
140163-89-9 | [Synonyms]
IMICYAFOS
Imicyafos@100 μg/mL in Acetonitrile
Imicyafos@1000 μg/mL in Acetonitrile
1-[ethoxy(propylsulfanyl)phosphoryl]-3-ethylimidazolidin-2-ylidene]cyanamide
O-ethyl S-propyl [(2E)-2-(cyanoimino)-3-ethylimidazolidin-1-yl]phosphonothioate
Phosphonothioic acid, P-[(2E)-2-(cyanoimino)-3-ethyl-1-imidazolidinyl]-, O-ethyl S-propyl ester | [Molecular Formula]
C11H21N4O2PS | [MDL Number]
MFCD28411672 | [MOL File]
140163-89-9.mol | [Molecular Weight]
304.35 |
| Chemical Properties | Back Directory | [Boiling point ]
391.7±25.0 °C(Predicted) | [density ]
1.26±0.1 g/cm3(Predicted) | [pka]
-6.17±0.20(Predicted) | [Henry's Law Constant]
1.5×109 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| Hazard Information | Back Directory | [Chemical Properties]
The pure product is a clear liquid with a melting point of -53.3 to -50.5°C. Its vapor pressure is 1.9×10-4 mPa (25°C). Its Kow IgP is 1.64 (25°C). Its solubility in water (pH 4.5, 20°C) is 77.63 g/L. Its solubility in other solvents (20°C, g/L) is 77.63 in n-hexane and ≥1000 in 1,2-dichloroethane, methanol, acetone, m-xylene, and ethyl acetate. Its photolysis DT50 (25°C) in aqueous solution is 179 days (pH 4), 178 days (pH 7), and 8 days (pH 9). | [Definition]
ChEBI: Imicyafos is a member of imidazolidines. | [Production Methods]
Imicyafos is typically synthesised through a multi-step process involving the formation of a phosphonothioate ester. The key reaction includes the condensation of O-ethyl and S-propyl groups with a substituted imidazolidine ring bearing a cyanoimino moiety. This synthesis requires precise control of reaction conditions to ensure the correct (E)-configuration of the final molecule. | [Mechanism of action]
High contact activity with and fast diffusion in soil. Acetylcholinesterase (AChE) inhibitor. | [Pesticide Type]
Nematicide |
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