-
Name
DIMEX
- EINECS
- CAS No. 18853-26-4
- Density 1.32g/cm3
- Solubility
- Melting Point
- Formula C11H12 N O4 P S
- Boiling Point 395.2°Cat760mmHg
- Molecular Weight 285.27
- Flash Point 192.8°C
- Transport Information
- Appearance
- Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx, POx, and SOx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms 3-Isoxazolol,5-phenyl-, O-ester with O,O-dimethyl phosphorothioate (8CI); Dimex; Dymex; Methylisoxathion; O,O-Dimethyl-O-(5-phenyl-3-isoxazolyl)phosphorothioate
- PSA 95.62000
- LogP 3.88830
Methyl isoxathion Chemical Properties
IUPAC Name: Dimethoxy-[(5-phenyl-1,2-oxazol-3-yl)oxy]-sulfanylidene-λ5-phosphane
Synonyms of Methyl isoxathion (CAS NO.18853-26-4): Dimex ; O,O-Dimethyl O-(5-phenyl-3-isoxazolyl) phosphorothioate ; Phosphorothioic acid, O,O-dimethyl O-(5-phenyl-3-isoxazolyl) ester
CAS NO: 18853-26-4
Molecular Formula: C11H12NO4PS
Molecular Weight : 285.256
Molecular Structure: .png)
H bond acceptors: 5
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 95.62 Å2
Index of Refraction: 1.563
Molar Refractivity: 70.17 cm3
Molar Volume: 215.9 cm3
Surface Tension: 51.3 dyne/cm
Density: 1.32 g/cm3
Flash Point: 192.8 °C
Enthalpy of Vaporization: 62.02 kJ/mol
Boiling Point: 395.2 °C at 760 mmHg
Vapour Pressure: 4.25E-06 mmHg at 25°C
Methyl isoxathion Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 593mg/kg (593mg/kg) | Japan Pesticide Information. Vol. (48), Pg. 3, 1986. |
Methyl isoxathion Safety Profile
Moderately toxic by ingestion. When Methyl isoxathion (CAS NO.18853-26-4) is heated to decomposition ,it emits toxic vapors of NOx, POx, and SOx.
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