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Cas Database

Name	Triphenylphosphine	EINECS	210-036-0
CAS No.	603-35-0	Density	1.132 g/cm³
PSA	13.59000	LogP	3.44480
Solubility	insoluble in water	Melting Point	79-81 °C(lit.)
Formula	C₁₈H₁₅P	Boiling Point	360 °C at 760 mmHg
Molecular Weight	262.291	Flash Point	181.7 °C
Transport Information	UN 3077	Appearance	White solid
Safety	36/37-60-61-36/37/39-26	Risk Codes	22-43-53-50/53-48/20/22
Molecular Structure		Hazard Symbols	Xn, N
Synonyms	Triphenylphosphine	Article Data	481

Triphenylphosphine Synthetic route

: 791-28-6
Triphenylphosphine oxide

: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With 1,1,3,3-Tetramethyldisiloxane; titanium(IV) isopropylate In various solvent(s) at 100℃; for 5h;	100%
With aluminium hydride*tetrahydrofuran	100%
With titanium(IV) isopropylate; 1,1,3,3-Tetramethyldisiloxane In methyl cyclohexane at 80℃; for 14h;	100%

: 67-56-1
methanol

: dibromure de vinylene-1,2 bis-triphenylphosphonium

A: 56351-16-7
bromure de methoxyvinyltriphenylphosphonium

B: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With potassium cyanide In dimethyl sulfoxide for 22h; Ambient temperature;	A 86% B 100%

: dibromure de vinylene-1,2 bis-triphenylphosphonium

A: 56351-16-7
bromure de methoxyvinyltriphenylphosphonium

B: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With potassium cyanide In dimethyl sulfoxide for 22h; Ambient temperature;	A 86% B 100%

: 97939-92-9
triphenylphosphinediiodogermylene

: 591-51-5
phenyllithium

A: 591-50-4
iodobenzene

B: 92-52-4
biphenyl

C: 2816-43-5
triphenylgermane

D: 1048-05-1
tetraphenylgermane

E: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
In diethyl ether under N2, to suspn. of Ph3PGeI2 in ether PhLi added dropwise (1:4 molarratio), stirred for 5 d under reflux, hydrolyzed; dried, analyzed by gas chromy.;	A 10% B 13% C 39% D 36% E 100%
In diethyl ether under N2, to suspn. of Ph3PGeI2 in ether PhLi added dropwise (1:1 molarratio), stirred for 5 d under reflux, hydrolyzed; dried, analyzed by gas chromy.;	A 2.9% B 2.9% C 1.9% D 14% E 82%
In diethyl ether under N2, to suspn. of Ph3PGeI2 in ether PhLi added dropwise (1:2 molarratio), stirred for 5 d under reflux, hydrolyzed; dried, analyzed by gas chromy.;	A 7.7% B 9.6% C 1.3% D 19% E 79%

...Expand

: 67-56-1
methanol

: 2049-55-0
triphenylphosphine borane

A: 121-43-7
Trimethyl borate

B: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
at 120℃; Inert atmosphere; Microwave irradiation;	A n/a B 99%

: 100-47-0
benzonitrile

: 17154-34-6
(trimethylsilyl)diphenylphosphine

: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With cis-[NiCl2(PPh3)2]; potassium tert-butylate In 1,4-dioxane at 90℃; for 10h; Inert atmosphere;	99%

: 462-06-6
fluorobenzene

: 4376-01-6
sodium diphenylphosphide

: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With 15-crown-5 In tetrahydrofuran at 25℃; for 16h; Reagent/catalyst; Inert atmosphere;	99%

: 2526-64-9
dichlorotriphenylphosphorane

: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With tributylphosphine	98%
With sodium
With bis(2-methylphenyl)disulfide; triethylamine In chloroform for 7h; Heating;

: 103748-75-0
2-[2-Oxo-1-(triphenyl-λ5-phosphanylidene)-propyl]-1,2-dihydro-indazol-3-one

A: 17244-28-9
2-acetyl-4-oxo-dihydroquinazoline

B: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
In toluene at 95℃; for 2h;	A 98% B n/a

: 591-50-4
iodobenzene

: 829-85-6
diphenylphosphane

: 603-35-0
triphenylphosphine

Conditions

Conditions	Yield
With potassium acetate; 5percent Pd on charcoal In N,N-dimethyl-formamide at 190℃; for 0.05h; microwave irradiation;	98%
With caesium carbonate In toluene at 115℃; for 24h; Inert atmosphere;	90%
With potassium acetate In N,N-dimethyl acetamide at 130℃; for 3h; Reagent/catalyst; Solvent; Temperature; Schlenk technique; Inert atmosphere;	86%
With rongalite; potassium hydroxide In dimethyl sulfoxide at 80℃; for 24h; Inert atmosphere; Schlenk technique; Sealed tube;	65%

Triphenylphosphine Specification

1. Introduction of Triphenylphosphine
Triphenylphosphine, its cas register number is 603-35-0. It also can be called Phosphine, triphenyl-; Trifenylfosfin; Trifenylfosfin [Czech]; Triphenyl phosphine.The IUPAC Nameis triphenylphosphane. It exists as relatively air stable, colorless crystals at room temperature. It dissolves in non-polar organic solvents such as benzene and diethyl ether.

2. Properties of Triphenylphosphine
Molecular Weight: 262.285461 [g/mol]
Molecular Formula: C₁₈H₁₅P
XLogP3-AA: 4.6
Melting Point: 79-81 °C(lit.)
Flash Point: 181.7 °C
Enthalpy of Vaporization: 58.18 kJ/mol
Boiling Point: 360 °C at 760 mmHg
Vapour Pressure: 4.74E-05 mmHg at 25°C
Density: 1.132 g/cm3
Storage temp.: Store at RT.
Water Solubility: Insoluble
Stability: Stable. Incompatible with oxidizing agents, acids.

3. Toxicity of Triphenylphosphine

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
chicken	LDLo	oral	9gm/kg (9000mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0384-0014,
dog	LD50	oral	> 500mg/kg (500mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS	National Technical Information Service. Vol. OTS0570648,
mouse	LD50	oral	1gm/kg (1000mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0384-0014,
mouse	LD50	subcutaneous	3gm/kg (3000mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0384-0014,
rabbit	LD50	skin	> 5gm/kg (5000mg/kg)		Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974.
rat	LC50	inhalation	1135ppm/4H (1135ppm)	SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Annual Meeting of American Industrial Hygiene Association. Vol. -, Pg. -, 1969.
rat	LD50	intramuscular	1500mg/kg (1500mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0384-0014,
rat	LD50	oral	700mg/kg (700mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0384-0014,

4. Safety Information of Triphenylphosphine
Hazard Codes:

Xn,

N
Risk Statements: 22-43-53-50/53-48/20/22
R22:Harmful if swallowed.
R43:May cause sensitization by skin contact.
R53:May cause long-term adverse effects in the aquatic environment.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R48/20/22:Harmful: danger of serious damage to health by prolonged exposure if swallowed and Harmful by inhalation.
Safety Statements: 36/37-60-61-36/37/39-26
S36/37:Wear suitable protective clothing and gloves.
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.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: 3077
WGK Germany: 2
RTECS: SZ3500000
F: 9
HS Code: 29310095

5. Use of Triphenylphosphine
Triphenylphosphine is widely used in the synthesis of organic and organometallic compounds.

6. Preparation of Triphenylphosphine
Triphenylphosphine can be prepared in the laboratory by treatment of phosphorus trichloride with phenylmagnesium bromide or phenyllithium.

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