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Triethyl phosphorothioate

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Triethyl phosphorothioate

EINECS
CAS No. 126-68-1 Density 1.109g/cm3
Solubility Melting Point
Formula C6H15 O3 P S Boiling Point 200.4°Cat760mmHg
Molecular Weight 198.24 Flash Point 75°C
Transport Information Appearance
Safety Poison by inhalation and intravenous routes. A cholinesterase inhibitor. Combustible when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits very toxic fumes of POx and SOx. See also PARATHION. Risk Codes
Molecular Structure Molecular Structure of 126-68-1 (Phosphorothioic acid,O,O,O-triethyl ester) Hazard Symbols Toxic by ingestion, cholinesterase inhibitor.
Synonyms

Ethylphosphorothioate, (EtO)3PS (6CI); Ethyl thiophosphate, (EtO)3PS (5CI); NSC2650; O,O,O-TEPT; O,O,O-Triethyl phosphorothioate; O,O,O-Triethylthiophosphate; O,O',O''-Triethyl phosphorothioate; Thiophosphoric acidtri-O-ethyl ester; Triethoxyphosphine sulfide; Triethyl phosphorothioate;Triethyl phosphorothionate; Triethyl thiophosphate

 

Triethyl phosphorothioate Chemical Properties

IUPAC Name: Triethoxy(sulfanylidene)-λ5-phosphane 
Molecular Formula: C6H15O3PS
Molecular Weight: 198.24g/mol
EINECS: 204-797-8
Density: 1.109g/cm3
Boiling Point: 231.6 °C at 760 mmHg
Flash Point: 93.9 °C
Freely Rotating Bonds: 6
Polar Surface Area: 70.64 Å2
Index of Refraction: 1.452
Molar Refractivity: 48.2 cm3
Molar Volume: 178.4 cm3
Polarizability: 19.11 ×10-24 cm3
Surface Tension: 34.6 dyne/cm
Enthalpy of Vaporization: 44.92 kJ/mol
Vapour Pressure: 0.0938 mmHg at 25°C
The Cas Register Number  of Triethyl phosphorothioate is 126-68-1.The chemical synonyms of Triethyl phosphorothioate (CAS NO.126-68-1) are (C2H5O)3PS ; Ethyl phosphorothioate ((EtO)3PS) ; O,O,O-Triethyl thiophosphate ; O,O,O-Triethylester kyseliny thiofosforecne ; O,O,O-triethylesterkyselinythiofosforecne ; O,O,O-Triethylthiofosfat ; O,O,O-triethylthiophosphate ; Phosphine sulfide, triethoxy- .The molecular structure of Triethyl phosphorothioate (CAS NO.126-68-1) is.

Triethyl phosphorothioate Uses

 Triethyl phosphorothioate (CAS NO.126-68-1) is used as pesticide.

Triethyl phosphorothioate Toxicity Data With Reference

1.    

ihl-rat LCLo:41 ppm/4H

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,207.
2.    

ivn-rat LDLo:250 mg/kg

    NATUAS    Nature. 179 (1957),154.

Triethyl phosphorothioate Safety Profile

Poison by inhalation and intravenous routes. A cholinesterase inhibitor. Combustible when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits very toxic fumes of POx and SOx. See also PARATHION.
Safety Statements: 22-24/25 
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3

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