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34643-46-4

Basic Information
CAS No.: 34643-46-4
Name: Prothiofos
Article Data: 5
Molecular Structure:
Molecular Structure of 34643-46-4 (Prothiofos)
Formula: C11H15 Cl2 O2 P S2
Molecular Weight: 345.251
Synonyms: BAY-NTN8629; Dichlorpropaphos; Prothiofos; Prothiophos; Tokuthion; Toyodan
EINECS: 252-125-7
Density: 1.35g/cm3
Melting Point: 25°C
Boiling Point: 397.8°Cat760mmHg
Flash Point: 194.4°C
Solubility: 0.07 mg l-1(20 °C)
Hazard Symbols:
Risk Codes: R22;R50/53   
Safety: Moderately toxic by ingestion and skin contact. When heated to decomposition it emits very toxic fumes of Cl, POx, and SOx.
Transport Information: UN 3082
PSA: 85.66000
LogP: 6.42700
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Chemistry

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:

Production

Raw materials are Potassium carbonate --> Triethylamine --> 2-Butanone --> Phosphorus pentasulfide --> 1-Bromopropane --> 2,4-Dichlorophenol --> Profenofos .

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.

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:
HarmfulXn
DangerousN
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

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 .