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Cas Database

Name	Triethylphosphine	EINECS	209-068-8
CAS No.	554-70-1	Density	0.88g/mLat 20°C
PSA	13.59000	LogP	2.52800
Solubility	Insoluble in water.	Melting Point	-3oC
Formula	C₆H₁₅P	Boiling Point	126.516 °C at 760 mmHg
Molecular Weight	118.159	Flash Point	27.202 °C
Transport Information	UN 2924 3/PG 2	Appearance	clear liquid
Safety	26-36/37/39-45-7/9-33-16	Risk Codes	11-34-67-17
Molecular Structure		Hazard Symbols	F,C
Synonyms	HishicolinP 2;Triethylphosphorus;	Article Data	84

Triethylphosphine Synthetic route

: {Cp(PEt3)2molybdenum(III) dichloride}

: 594-09-2
trimethylphosphane

: cyclopentadienylmolybdenum(III)(PMe3)2Cl2

B: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
In dichloromethane mixing of the Mo compd. with the free phosphine (molar ratio 4.5:1) in CH2Cl2;;	A 100% B n/a
In toluene mixing of the Mo compd. with the free phosphine (molar ratio 2.1:1) in toluene;;	A 100% B n/a

: 74-85-1
ethene

: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
With phosphan; zinc(II) oxide In acetone at 0℃; for 12h; Solvent; Reagent/catalyst; Temperature; Irradiation;	96%

: 597-50-2
triethylphosphine oxide

: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
With phenylsilane; C28H16F24O8S2Si In (2)H8-toluene at 100℃; for 48h; Inert atmosphere;	91%
With aluminium hydride In 1,2-dimethoxyethane at 0 - 65℃; for 12h; Inert atmosphere; Schlenk technique;	70%
With chromium

: 925-90-6
ethylmagnesium bromide

: 119841-34-8, 127780-84-1
cis-2,10-dimethyl-<1,2,3>benzothiadiphospholo<2,3-b><1,2,3>benzothiadiphosphole

A: 554-70-1
triethylphosphine

B: 736137-64-7
4-methyl-2-[(5-methyl-2-sulfanylphenyl)phosphanyl]benzenethiol

Conditions

Conditions	Yield
In tetrahydrofuran	A n/a B 90%

: 16940-66-2
sodium tetrahydroborate

: Mn(P(C2H5)3)2(CO)2S2CP(C2H5)3(1+)*ClO4(1-)=Mn(P(C2H5)3)2(CO)2S2CP(C2H5)3ClO4

: 121846-72-8
cis,trans-dicarbonylbis(triethylphosphine)(dithioformate-κ2-S)manganese

B: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
In ethanol; dichloromethane Addn. of a NaBH4 soln. (EtOH) to a stirred soln. of Mn-complex in CH2Cl2 under N2, stirring (1.5 h), colour turns from deep blue to bright red.; Evapn. of solvent in vac., pumping for 1 h to eleminate the free phosphine, extg. of red solid (hexane), filtn., addn. of EtOH, slow evapn. in vac., elem. anal.;	A 90% B n/a

: 75-00-3
chloroethane

: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
Stage #1: chloroethane With magnesium; methyl iodide In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; ethyl acetate at 40 - 50℃; for 2.5h; Inert atmosphere; Stage #2: With phosphorus trichloride In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; ethyl acetate at 5℃; for 4h; Concentration; Temperature; Inert atmosphere;	89.9%

: 14177-93-6, 15692-07-6, 13965-02-1
trans-platinum(triethylphosphine)2(chloro)2

: lithium bis(trimethylsilyl)phosphide *1.8THF

A: {(C2H5)3PPtP(Si(CH3)3)2}2

B: 116553-43-6
(Et3P)2Pt{η2-(PSiMe3)2}

C: 15573-38-3
Tris(trimethylsilyl)phosphane

D: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
In toluene under protective gas; 8.8 mmol of the Li salt in toluene added to 4 mmol of the Pt complex in toluene at -20°C; mixt. warmed to 20°C and stirred for 2 d; filtration; filtrate evapd. in vac.; fractionated crystn.;	A 12% B 7% C n/a D n/a

...Expand

: 60-29-7
diethyl ether

: 4303-71-3
triphenylmethyl sodium

: 4317-06-0
tetraethylphosphonium iodide

A: 519-73-3
triphenylmethane

B: 554-70-1
triethylphosphine

: 60-29-7
diethyl ether

A: 4317-06-0
tetraethylphosphonium iodide

B: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
With phosphonium iodide at 160℃; entsteht das Hydrojodid;

: 64-17-5
ethanol

: 141-52-6
sodium ethanolate

: triethyl-phenethyl-phosphonium; bromide

A: 292638-84-7
styrene

B: 597-50-2
triethylphosphine oxide

C: 104-51-8
1-butylbenzene

D: 554-70-1
triethylphosphine

Conditions

Conditions	Yield
beim anschliessenden Erhitzen unter Stickstoff;

...Expand

Triethylphosphine Chemical Properties

IUPAC Name: Triethylphosphane (554-70-1)
Synonyms: Aurora ka-1111 ; Cytop(R) 320 ; Triethylphosphine ; (C₂H₅)₃P ; Phosphorus triethyl ; Ttl409 ; Triethylphosphane ; Triethyl-phosphane
CAS: 554-70-1
MF: C₆H₁₅P
MW: 118.16
MS:
EINECS: 209-068-8
Product Categories: Tertiary Phosphines ; Organics ; Phosphine Ligands ; Catalysis and Inorganic Chemistry ; Phosphorus Compounds
Mol File: 554-70-1.mol
Flash Point: 27.2 °C
Enthalpy of Vaporization: 34.93 kJ/mol
Boiling Point: 126.5 °C at 760 mmHg
Vapour Pressure: 14.1 mmHg at 25°C
Density: 0.88 g/mL at 20 °C
Refractive index : n20/D 1.456(lit.)
Sensitive: Air & Moisture Sensitive
Merck: 14,9675

Triethylphosphine Uses

Triethyl phosphine (554-70-1) is used in organic syntheses.

Triethylphosphine Safety Profile

Hazard Codes: F,C
Risk Statements: 11-34-67-17
11: Highly Flammable
17: Spontaneously flammable in air
34: Triethyl phosphine (554-70-1) can causes burns.
67: Vapors may cause drowsiness and dizziness
Safety Statements: 26-36/37/39-45-7/9-33-16
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
7/9: Keep container tightly closed and in a well-ventilated place
33: Take precautionary measures against static discharges
16: Keep Triethyl phosphine (554-70-1) away from sources of ignition - No smoking
RIDADR : UN 2924 3/PG 2
WGK Germany: 3
RTECS : SZ3400000
F : 10-13-23
HazardClass: 4.2
PackingGroup: I

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