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Cas Database |
| Name |
Prothiofos |
EINECS | 252-125-7 |
| CAS No. | 34643-46-4 | Density | 1.35g/cm3 |
| PSA | 85.66000 | LogP | 6.42700 |
| Solubility | 0.07 mg l-1(20 °C) | Melting Point |
25°C |
| Formula | C11H15 Cl2 O2 P S2 | Boiling Point | 397.8°Cat760mmHg |
| Molecular Weight | 345.251 | Flash Point | 194.4°C |
| Transport Information | UN 3082 | Appearance | N/A |
| Safety | Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of Cl−, POx, and SOx. | Risk Codes | R22;R50/53 |
| Molecular Structure |
|
Hazard Symbols |
 
|
| Synonyms |
BAY-NTN8629; Dichlorpropaphos; Prothiofos; Prothiophos; Tokuthion; Toyodan |
Article Data | 5 |
Prothiofos Chemical Properties
Chemistry informtion about O-(2,4-Dichlorophenyl)-O-Ethyl-S-Propylphosphorodithioate (CAS NO.34643-46-4) is:
IUPAC Name: (2,4-Dichlorophenoxy)-Ethoxy-Propylsulfanyl-Sulfanylidene-$L^{5}-Phosphane
Synonyms: Tert-Nitrooctane;Nitrous Acid N-Pentyl Ester;N-Pentyl Nitrite;Pentyl Nitrite;N-Amyl Nitrite;Nitramyl;Nitrous Acid, Pentyl Ester;Nitrousacid,Pentylester
MF: C11H15Cl2O2PS2
MW: 345.25
EINECS: 252-125-7
Density: 1.35 g/cm3
Flash Point: 194.4 °C
Boiling Point: 397.8 °C at 760 mmHg
Vapour Pressure: 3.53E-06 mmHg at 25°C
Enthalpy of Vaporization: 62.31 kJ/mol
Storage temp.: APPROX 4°C
Following is the molecular structure of O-(2,4-Dichlorophenyl)-O-Ethyl-S-Propylphosphorodithioate (CAS NO.34643-46-4) is:
Prothiofos Production
Raw materials are Potassium carbonate --> Triethylamine --> 2-Butanone --> Phosphorus pentasulfide --> 1-Bromopropane --> 2,4-Dichlorophenol --> Profenofos .
Prothiofos Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| bird - domestic | LD50 | oral | 100mg/kg (100mg/kg) | Japan Pesticide Information. Vol. (26), Pg. 14, 1976. | |
| chicken | LD50 | oral | 100mg/kg (100mg/kg) | Japan Pesticide Information. Vol. (26), Pg. 14, 1976. | |
| mammal (species unspecified) | LD50 | skin | 2gm/kg (2000mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(5), Pg. 92, 1988. | |
| mouse | LD50 | oral | 570mg/kg (570mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(5), Pg. 92, 1988. | |
| mouse | LD50 | skin | 1600mg/kg (1600mg/kg) | Kongetsu no Noyaku. Agricultural Chemicals Monthly. Vol. 20, Pg. 94, 1976. | |
| mouse | LD50 | subcutaneous | 1250mg/kg (1250mg/kg) | Japan Pesticide Information. Vol. (26), Pg. 14, 1976. | |
| quail | LD50 | oral | 200mg/kg (200mg/kg) | Japan Pesticide Information. Vol. (26), Pg. 14, 1976. | |
| rabbit | LD50 | oral | 750mg/kg (750mg/kg) | Japan Pesticide Information. Vol. (26), Pg. 14, 1976. | |
| rat | LC50 | inhalation | > 271mg/m3/4H (271mg/m3) | peripheral nerve and sensation: sensory change involving peripheral nerve sense organs and special senses: lacrimation: eye lungs, thorax, or respiration: dyspnea | Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 15, Pg. 641, 1990. |
| rat | LD50 | oral | 875mg/kg (875mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(5), Pg. 92, 1988. | |
| rat | LD50 | skin | 3900mg/kg (3900mg/kg) | Kongetsu no Noyaku. Agricultural Chemicals Monthly. Vol. 20, Pg. 94, 1976. | |
| rat | LD50 | subcutaneous | > 3gm/kg (3000mg/kg) | peripheral nerve and sensation: sensory change involving peripheral nerve sense organs and special senses: lacrimation: eye lungs, thorax, or respiration: dyspnea | Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 15, Pg. 641, 1990. |
Prothiofos Safety Profile
Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of Cl−, POx, and SOx.
Hazard Codes:
Xn
N
Risk Statements:
R22:Harmful if swallowed.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements:
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3082
RTECS: TD5680000
Prothiofos Specification
Product categories about O-(2,4-Dichlorophenyl)-O-Ethyl-S-Propylphosphorodithioate (CAS NO.34643-46-4) are Insecticide ; Alpha Sort ; Insecticides ; N-Ppesticides ; Organophorousalphabetic ; P ; Pesticides&Metabolites ; Pon - Pt ; Alphabetic ; Tf - To .
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