Triethyl phosphorothioate supplier

Name
O,O,O-TRIETHYLPHOSPHOROTHIOATE
EINECS
CAS No. 126-68-1
Article Data93
CAS DataBase
Density 1.109g/cm³
Solubility
Melting Point >280 °C (decomp)
Formula C6H15 O3 P S
Boiling Point 200.4°Cat760mmHg
Molecular Weight 198.223
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 PO_x and SO_x. See also PARATHION.
Risk Codes
Molecular Structure
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
PSA 69.59000
LogP 2.97100

Synthetic route

: 122-52-1
triethyl phosphite

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With N,N'-dimethylthioperoxydicarbamic acid In acetonitrile at 20℃;	99%
With N-Bromosuccinimide; triphenylsilanethiol In benzene for 1h;	93%
With propylene sulphide; [ReOCl3(OPPh3)(SMe2)] In dichloromethane for 0.333333h; Ambient temperature;	85%

: 17534-37-1
diphenyl-4,5 dithiole-1,3 thiones-2

A: 23780-79-2
tetraphenyl-[2,2']bi[1,3]dithiolylidene

B: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With triethyl phosphite In acetonitrile for 16h; Irradiation;	A 91% B n/a

: 2958-89-6
N-(chlorosulfanyl)morpholine

: 122-52-1
triethyl phosphite

A: 37097-43-1
Diethyl 4-morpholidophosphate

B: 126-68-1
O,O,O-triethyl phosphorothioate

C: 56341-75-4
O,O-diethyl S-morpholino phosphorothioate

Conditions

Conditions	Yield
6-13 deg C then rt., 4 h;	A 81% B 4% C 15%
6-13 deg C then rt., 4 h;	A 23% B 7% C 70%
at 6 - 13℃;	A 9% B 7% C 10.7 g

...Expand

: 141-52-6
sodium ethanolate

: 2524-04-1
diethyl phosphorochloridothioate

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
In ethanol at 20℃; for 14h;	78.2%

: 76289-06-0
diisopropoxyphosphinothionyl tert-butylamino trisulfide

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 76276-34-1
diisopropoxyphosphinothionyl tert-butylamino disulfide

Conditions

Conditions	Yield
In diethyl ether at 0℃; for 0.25h;	A 78% B 63.5%

...Expand

: 538-75-0
dicyclohexyl-carbodiimide

: 2465-65-8
O,O'-diethyl thiophosphoric acid

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

C: 645-78-3
tetraethyl thiopyrophosphate

D: 1212-29-9
1,3-dicyclohexylthiourea

Conditions

Conditions	Yield
In diethyl ether for 240h; Mechanism; Product distribution; Ambient temperature; solvent: acetonitrile;	A n/a B n/a C 45% D 77%

...Expand

: 2465-65-8
O,O'-diethyl thiophosphoric acid

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

C: 645-78-3
tetraethyl thiopyrophosphate

D: 1212-29-9
1,3-dicyclohexylthiourea

Conditions

Conditions	Yield
With dicyclohexyl-carbodiimide In diethyl ether for 240h; Ambient temperature;	A n/a B n/a C 45% D 77%

...Expand

: 64-17-5
ethanol

: 106259-91-0
O-phenyl> O,O-diethyl phosphorothioate

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 106259-89-6
O-(o-aminophenyl) O,O-diethyl phosphorothioate

Conditions

Conditions	Yield
for 10h; Heating;	A 69% B 71%

...Expand

: 15088-78-5
3-phenylethanoic dithioperoxyanhydride

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 97754-54-6
phenacetyl sulfide

Conditions

Conditions	Yield
In 1,2-dichloro-ethane at 20℃; for 0.0833333h;	A 70% B n/a

...Expand

: 122-52-1
triethyl phosphite

A: 64-67-5
diethyl sulfate

B: 78-40-0
triethyl phosphate

C: 126-68-1
O,O,O-triethyl phosphorothioate

D: 78-38-6
ethylphosphonic acid diethyl ester

Conditions

Conditions	Yield
With sulfur trioxide In dichloromethane at -78℃;	A 2% B 70% C 23% D 5%

...Expand

: 64-17-5
ethanol

: 2465-65-8
O,O'-diethyl thiophosphoric acid

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

Conditions

Conditions	Yield
With thiamine diphosphate; diethylazodicarboxylate In benzene at 35 - 40℃; for 6h; Yield given;	A n/a B 66%
With thiamine diphosphate; diethylazodicarboxylate In benzene at 35 - 40℃; for 6h; Yields of byproduct given;	A n/a B 66%

...Expand

: 19172-47-5
Lawessons reagent

: 78-40-0
triethyl phosphate

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 137171-51-8, 67218-02-4
2,4,6-tris(4-methoxyphenyl)-2,4,6-trisulfanylene-1,3,5,2,4,6-trioxatriphosphinane

Conditions

Conditions	Yield
In benzene for 12h; Heating;	A 61% B n/a

...Expand

: 19858-14-1
1,2-epithio-3-methoxypropane

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 627-40-7
methylallylether

...Expand

: 286-28-2
cyclohexene sulfide

: 60-29-7
diethyl ether

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 110-83-8
cyclohexene

...Expand

: 75-15-0
carbon disulfide

: 71867-67-9
methyl-imidophosphoric acid triethyl ester

: 126-68-1
O,O,O-triethyl phosphorothioate

: 1498-64-2
O-ethyl dichlorothiophosphate

: 141-52-6
sodium ethanolate

: 126-68-1
O,O,O-triethyl phosphorothioate

: 64-17-5
ethanol

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With sulfur; toluene; phosphorus trichloride
With trichlorophosphate
With phosphorus(V) oxybromide

: 141-52-6
sodium ethanolate

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With trichlorophosphate

: 1072-43-1
propylene sulphide

: 122-52-1
triethyl phosphite

A: 187737-37-7
propene

B: 126-68-1
O,O,O-triethyl phosphorothioate

...Expand

: 64-17-5
ethanol

: 127-09-3
sodium acetate

: 2524-04-1
diethyl phosphorochloridothioate

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

...Expand

: 100-53-8
phenylmethanethiol

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 108-88-3
toluene

Conditions

Conditions	Yield
Gluehlampenlicht.Irradiation;

...Expand

: 110-81-6
Diethyl disulfide

: 122-52-1
triethyl phosphite

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With di-tert-butyl peroxide at 140℃;

: 110-81-6
Diethyl disulfide

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

Conditions

Conditions	Yield
at 160℃;

...Expand

: 150-60-7
dibenzyl disulphide

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 538-74-9
dibenzyl sulfide

C: 103-29-7
1,1'-(1,2-ethanediyl)bisbenzene

D: 108-88-3
toluene

Conditions

Conditions	Yield
at 60℃; Irradiation;

...Expand

: 352-93-2
diethyl sulphide

: 110-05-4
di-tert-butyl peroxide

: 122-52-1
triethyl phosphite

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
at 140℃;

...Expand

: 111-88-6
Octanethiol

: 122-52-1
triethyl phosphite

A: 111-65-9
octane

B: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
unter der Einwirkung von Licht;

...Expand

: 629-45-8
dibutyl disulfide

: 110-05-4
di-tert-butyl peroxide

: 122-52-1
triethyl phosphite

A: 126-68-1
O,O,O-triethyl phosphorothioate

B: 75-28-5
Isobutane

C: 544-40-1
Dibutyl sulfide

D: 106-97-8
n-butane

Conditions

Conditions	Yield
at 140℃;

...Expand

: 505-14-6
thiocyanogen

: 122-52-1
triethyl phosphite

: 126-68-1
O,O,O-triethyl phosphorothioate

: 592-22-3
diacetyl disulfide

: 122-52-1
triethyl phosphite

: 126-68-1
O,O,O-triethyl phosphorothioate

: 64-17-5
ethanol

: 87174-50-3
diethyl thiophosphorocyanidate

: 126-68-1
O,O,O-triethyl phosphorothioate

Conditions

Conditions	Yield
With potassium hydroxide In water for 0.25h;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 78-40-0
triethyl phosphate

Conditions

Conditions	Yield
With pyridine; trifluoroacetic anhydride for 24h;	100%
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 20h;	100%
With ozone In dichloromethane at -75℃;	95%

: aluminum(III) perchlorate hydrate

: 126-68-1
O,O,O-triethyl phosphorothioate

: Al(3+)*3(OC2H5)2POS(1-)=Al((OC2H5)2POS)3

Conditions

Conditions	Yield
In neat (no solvent) Al(ClO4)3 dissolved in a large excess of organic compound at ambient temp., temp. increased by 1-2°C per min, precipitated at 85-90.dergree.C, mixture allowed to cool; supernatant removed, washed with anhydrous diethyl ether, stored in vac. over anhydrous CaSO4; elem. anal.;	95%
In ethanol byproducts: ethyl perchlorate; dissolving metal perchlorate in ethanol/triethyl orthoformate; stirringat 50°C for 2 h; cooling to room temp.; addn. of ligand; stirring at 80-90°C; pptn. after 20-40 mins; elem. anal.;	35-50

: 126-68-1
O,O,O-triethyl phosphorothioate

A: 598-02-7
Diethyl phosphate

B: 78-38-6
ethylphosphonic acid diethyl ester

C: 762-04-9
phosphonic acid diethyl ester

Conditions

Conditions	Yield
With magnesium monoperoxyphthalate hexahydrate In water at 25℃; for 24h;	A 10% B 81% C 9%

...Expand

: [Cp(CO)2Fe(THF)]PF6

: 126-68-1
O,O,O-triethyl phosphorothioate

: 115565-36-1
(η-cyclopentadienyl)dicarbonyl(triethylthiophosphato)iron hexafluorophosphate

Conditions

Conditions	Yield
In dichloromethane stirring of a mixture of the THF-complex and the P-ligand in CH2Cl2 at room temp. for 36 h under N2; addn. of ether, filtn. of ppt., washing (ether), drying in vacuo, recrystn. (CH2Cl2/ether), elem. anal.;	70%

: 126-68-1
O,O,O-triethyl phosphorothioate

: 75-05-8
acetonitrile

A: 78-40-0
triethyl phosphate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

C: 4403-51-4
bis(diethylphosphoryl)disulfide

D: 462-35-1
N-(ethyl)acetonitrilium tetrafluoroborate

E NO: NO

Conditions

Conditions	Yield
With nitrosonium tetrafluoroborate In water 15-30 min; Further byproducts given. Yields of byproduct given;	A n/a B n/a C 42% D n/a E n/a

...Expand

: 126-68-1
O,O,O-triethyl phosphorothioate

: 75-05-8
acetonitrile

A: 78-40-0
triethyl phosphate

B: 1186-09-0
O,O,S-triethyl phosphorothioate

C: 64-17-5
ethanol

D: 4403-51-4
bis(diethylphosphoryl)disulfide

E: 462-35-1
N-(ethyl)acetonitrilium tetrafluoroborate

F NO: NO

Conditions

Conditions	Yield
With nitrosonium tetrafluoroborate for 0.5h;	A n/a B n/a C n/a D 42% E 65 % Spectr. F n/a

...Expand

: copper(II) perchlorate hydrate

: 126-68-1
O,O,O-triethyl phosphorothioate

: Cu(2+)*2(OC2H5)2POS(1-)=Cu((OC2H5)2POS)2

Conditions

Conditions	Yield
In ethanol byproducts: ethyl perchlorate; dissolving metal perchlorate in ethanol/triethyl orthoformate; stirringat 50°C for 2 h; cooling to room temp.; addn. of ligand; stirring at 80-90°C for 2 h; elem. anal.;	3%

: 74-96-4
ethyl bromide

: 126-68-1
O,O,O-triethyl phosphorothioate

: 1186-09-0
O,O,S-triethyl phosphorothioate

Conditions

Conditions	Yield
at 160℃;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 513-38-2
Isobutyl iodide

: 26629-01-6
O,O-diethyl (S)-isobutylphosphorothioate

Conditions

Conditions	Yield
at 120℃; im Rohr;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 13259-29-5
sodium isobutoxide

: thiophosphoric acid O-ethyl ester-O-isobutyl ester; silver salt

Conditions

Conditions	Yield
With 2-methyl-propan-1-ol bei nachfolgender Einw. von Silbernitrat;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 1068-21-9
Diethyl phosphoramidate

Conditions

Conditions	Yield
With diethyl ether; ammonia at 150℃;
With ethanol; ammonia at 120℃;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 1186-09-0
O,O,S-triethyl phosphorothioate

Conditions

Conditions	Yield
at 200℃;
at 180℃;
With silver nitrate man setzt das erhaltene S-Silbersalz des Thiophosphorsaeure-O.O-diaethylesters mit Aethyljodid in Alkohol;

: 126-68-1
O,O,O-triethyl phosphorothioate

: 3689-24-5
sulfotep

Conditions

Conditions	Yield
With sulfuric acid

: 126-68-1
O,O,O-triethyl phosphorothioate

: 1186-08-9
diethoxyoxophosphoranesulfenyl chloride

Conditions

Conditions	Yield
With tetrachloromethane; chlorine at -5℃;
With sulfuryl dichloride
With sulfuryl dichloride In benzene

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 PO_x and SO_x. See also PARATHION.
Safety Statements: 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3

Product Name

O,O,O-TRIETHYLPHOSPHOROTHIOATE

Synthetic route

Triethyl phosphorothioate Chemical Properties

Triethyl phosphorothioate Uses

Triethyl phosphorothioate Toxicity Data With Reference

Triethyl phosphorothioate Safety Profile

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