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| Name |
Velsicol fcs-303 |
EINECS | N/A |
| CAS No. | 18936-66-8 | Density | 1.61g/cm3 |
| PSA | 60.36000 | LogP | 6.45680 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C14H12 Br Cl2 O2 P S | Boiling Point | 456.2°Cat760mmHg |
| Molecular Weight | 426.098 | Flash Point | 229.7°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by ingestion and subcutaneous routes. When heated to decomposition it emits very toxic fumes of SOx, POx, Cl−, and Br−. See also ESTERS. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Phenol,4-bromo-2,5-dichloro-, O-ester with O-ethyl phenylphosphonothioate (8CI); EthylPhosvel; O-(4-Bromo-2,5-dichlorophenyl) O-ethyl phenylphosphonothioate; VCS303; Velsicol FCS-303 |
Velsicol fcs-303 Chemical Properties
Empirical Formula of Velsicol fcs-303 (CAS NO.18936-66-8): C14H12BrCl2O2PS
Molecular Weight: 426.0926
Index of Refraction: 1.64
Density: 1.61 g/cm3
Flash Point: 229.7 °C
Enthalpy of Vaporization: 68.86 kJ/mol
Boiling Point: 456.2 °C at 760 mmHg
Vapour Pressure: 4.48E-08 mmHg at 25 °C
Structure of Velsicol fcs-303 (CAS NO.18936-66-8):
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IUPAC Name: (4-Bromo-2,5-dichlorophenoxy)-ethoxy-phenyl-sulfanylidene-λ5-phosphane
Canonical SMILES: CCOP(=S)(C1=CC=CC=C1)OC2=CC(=C(C=C2Cl)Br)Cl
InChI: InChI=1S/C14H12BrCl2O2PS/c1-2-18-20(21,10-6-4-3-5-7-10)19-14-9-12(16)11(15)8-13(14)17/h3-9H,2H2,1H3
InChIKey: ZEWUWNVXERZVIT-UHFFFAOYSA-N
Velsicol fcs-303 Toxicity Data With Reference
| 1. | orl-mus LD50:75 mg/kg | JAFCAU Journal of Agricultural and Food Chemistry. 27 (1979),1197. | ||
| 2. | orl-gpg LDLo:100 mg/kg | JEENAI Journal of Economic Entomology. 61 (1968),1261. | ||
| 3. | scu-gpg LDLo:100 mg/kg | JEENAI Journal of Economic Entomology. 61 (1968),1261. |
Velsicol fcs-303 Safety Profile
Poison by ingestion and subcutaneous routes. When heated to decomposition Velsicol fcs-303 (CAS NO.18936-66-8) emits very toxic fumes of SOx, POx, Cl−, and Br−. See also ESTERS.
Velsicol fcs-303 Specification
Velsicol fcs-303 , its cas register number is 18936-66-8. It also can be called O-(4-Bromo-2,5-dichlorophenyl) O-ethyl phenylphosphonothioate ; and Phosphonothioic acid, phenyl-, O-(4-bromo-2,5-dichlorophenyl) O-ethyl ester .
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