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Cas Database |
| Name |
Methyl parathion S-isomer |
EINECS | N/A |
| CAS No. | 3820-53-9 | Density | N/A |
| PSA | 116.46000 | LogP | 3.61100 |
| Solubility | N/A | Melting Point |
55.5°C |
| Formula | C8H10NO5PS | Boiling Point | N/A |
| Molecular Weight | 263.211 | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by ingestion and subcutaneous routes. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Dimethyl paranitrophenyl thionophosphate;Methyl parathion S-isomer; |
Article Data | 4 |
Methyl parathion S-isomer Chemical Properties
Empirical Formula of Methyl parathion S-isomer (CAS NO.3820-53-9): C8H10NO5PS
Molecular Weight: 263.2075
Index of Refraction: 1.556
Density: 1.4 g/cm3
Flash Point: 178.3 °C
Enthalpy of Vaporization: 59.39 kJ/mol
Boiling Point: 371.1 °C at 760 mmHg
Vapour Pressure: 2.25E-05 mmHg at 25 °C
Structure of Methyl parathion S-isomer (CAS NO.3820-53-9):
IUPAC Name: 1-Dimethoxyphosphorylsulfanyl-4-nitrobenzene
Canonical SMILES: COP(=O)(OC)SC1=CC=C(C=C1)[N+](=O)[O-]
InChI: InChI=1S/C8H10NO5PS/c1-13-15(12,14-2)16-8-5-3-7(4-6-8)9(10)11/h3-6H,1-2H3
InChIKey: DHPZHUPSZPYWMB-UHFFFAOYSA-N
Methyl parathion S-isomer Toxicity Data With Reference
| 1. | orl-rat LD50:43 mg/kg | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,208. | ||
| 2. | scu-mus LD50:8 mg/kg | AMIHAB AMA Archives of Industrial Health. 11 (1955),487. |
Methyl parathion S-isomer Safety Profile
Poison by ingestion and subcutaneous routes. When heated to decomposition Methyl parathion S-isomer (CAS NO.3820-53-9) emits very toxic fumes of NOx, POx, and SOx.
Methyl parathion S-isomer Specification
Methyl parathion S-isomer , its cas register number is 3820-53-9. It also can be called Phosphorothioic acid, O,O-dimethyl S-(p-nitrophenyl) ester ; O,O-Dimethyl-S-p-nitrofenyl ester kyseliny thiofosforecne ; Dimethyl paranitrophenyl thionophosphate ; and O,O-Dimethyl S-(4-nitrophenyl)thiophosphate .
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