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20820-80-8

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Basic Information
CAS No.: 20820-80-8
Name: O-ethyl S-(2-dimethylaminoethyl) methylphosphonothioate
Molecular Structure:
Molecular Structure of 20820-80-8 (O-ethyl S-(2-dimethylaminoethyl) methylphosphonothioate)
Formula: C7H18 N O2 P S
Molecular Weight: 211.265
Synonyms: Phosphonothioicacid, methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester (6CI,7CI,8CI,9CI);EA1699;EDMM;Medemo;O-Ethyl S-(2-dimethylaminoethyl) methylphosphonothioate;O-Ethyl S-(dimethylaminoethyl) methylphosphonothioate;
Density: g/cm3
Boiling Point: 259°Cat760mmHg
Flash Point: 110.4°C
Safety: Poison by ingestion, intraperitoneal, intravenous, and intramuscular routes. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx.
PSA: 64.65000
LogP: 2.14060
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  • Phosphonothioic acid,P-methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester

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    Phosphonothioic acid,P-methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester

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  • Phosphonothioic acid,P-methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester

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    Phosphonothioic acid,P-methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester

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  • O-ethyl S-(2-dimethylaminoethyl) methylphosphonothioate

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    O-ethyl S-(2-dimethylaminoethyl) methylphosphonothioate

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    factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

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Chemistry

IUPAC Name: 2-[Ethoxy(methyl)phosphoryl]sulfanyl-N,N-dimethylethanamine
Synonyms of O-Ethyl-S-(2-dimethylaminoethyl)-methylphosphonothioate (CAS NO.20820-80-8) : Phosphonothioic acid, P-methyl-, S-[2-(dimethylamino)ethyl] O-ethyl ester ; S-[2-(Dimethylamino)ethyl] O-ethyl methylphosphonothioate ; Medemo ; Methylphosphonothioic acid, S-(2-(dimethylamino)ethyl) O-ethyl ester
InChI:InChI=1/C7H18NO2PS/c1-5-10-11(4,9)12-7-6-8(2)3/h5-7H2,1-4H3  
CAS NO:20820-80-8  
Molecular Formula:C7H18NO2PS                   
Molecular Weight :211.2621                            
Molecular Structure :
Index of Refraction: 1.471     
Surface Tension: 35.7 dyne/cm 
Density: 1.078 g/cm3 
Flash Point: 110.4 °C 
Enthalpy of Vaporization: 49.66 kJ/mol 
Boiling Point: 259 °C at 760 mmHg 
Vapour Pressure: 0.0133 mmHg at 25°C 

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 50ug/kg (0.05mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1125, 1986.
rat LD50 intramuscular 21ug/kg (0.021mg/kg)   Acta Biologica et Medica Germanica. Vol. 27, Pg. 171, 1971.
rat LD50 intraperitoneal 54ug/kg (0.054mg/kg)   Acta Biologica et Medica Germanica. Vol. 37, Pg. 633, 1978.
rat LD50 intravenous 17ug/kg (0.017mg/kg)   Acta Biologica et Medica Germanica. Vol. 37, Pg. 633, 1978.
rat LD50 oral 122ug/kg (0.122mg/kg)   Acta Biologica et Medica Germanica. Vol. 37, Pg. 633, 1978.

Safety Profile

 O-Ethyl-S-(2-dimethylaminoethyl)-methylphosphonothioate (CAS NO.20820-80-8) is poisonous by ingestion, intraperitoneal, intravenous, and intramuscular routes. When O-Ethyl-S-(2-dimethylaminoethyl)-methylphosphonothioate (CAS NO.20820-80-8) is heated to decomposition, it emits very toxic fumes of NOx, POx, and SOx.