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| CAS No.: | 77458-01-6 |
|---|---|
| Name: | Pyraclofos |
| Molecular Structure: | |
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| Formula: | C14H18ClN2O3PS |
| Molecular Weight: | 360.801 |
| Synonyms: | O-[1-(4-Chlorophenyl)-1H-pyrazol-4-yl] O-ethyl S-propyl phosphorothioate |
| Density: | 1.271 g/cm3 (28 C) |
| Melting Point: | 25°C |
| Boiling Point: | 454oC |
| Flash Point: | 228.1°C |
| Solubility: | 33 |
| Hazard Symbols: |
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| Risk Codes: | R22 |
| Safety: | A poison by ingestion and inhalation. Moderately toxic by skin contact. When heated to decomposition it emits toxic vapors of SOx, POx, NOx, and Cl−. |
| PSA: | 88.46000 |
| LogP: | 5.19230 |

sodium O-ethyl-O-[1-(4-chlorophenyl)pyrazol-4-yl]phosphorothiolate


propyl bromide


(RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate

| Conditions | Yield |
|---|---|
| In ethanol; toluene |

O-[1-(4-chlorophenyl)pyrazol-4-yl]-O,O-diethyl phosphite


Dipropyl disulfide


(RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate

| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfuryl dichloride In toluene |

1-(4-chlorophenyl)-1H-pyrazol-4-ol


O-ethyl-S-propyl phosphorochloridate


(RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphorothioate

| Conditions | Yield |
|---|---|
| With triethylamine In acetonitrile |