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Diphenylphosphine

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Name

Diphenylphosphine

EINECS 212-591-4
CAS No. 829-85-6 Density 1.07 g/cm3
PSA 13.59000 LogP 2.31590
Solubility Insoluble in water Melting Point 65-67oC (338-340 K)
Formula C12H11P Boiling Point 275 °C at 760 mmHg
Molecular Weight 186.193 Flash Point 120.1 °C
Transport Information UN 2845 4.2/PG 1 Appearance colorless liquid
Safety 26-36 Risk Codes 17-36/37/38
Molecular Structure Molecular Structure of 829-85-6 (Diphenylphosphine) Hazard Symbols FlammableF,IrritantXi
Synonyms

NSC 152123;Diphenylphosphin;

Article Data 143

Diphenylphosphine Synthetic route

603-35-0

triphenylphosphine

829-85-6

diphenylphosphane

Conditions
ConditionsYield
With sodium In ammonia at -78℃; for 4h;100%
With lithium In tetrahydrofuran for 27h;74%
With lithium In tetrahydrofuran; diethyl ether; water cooling;73%
6002-34-2

tert-butyldiphenylphosphine

829-85-6

diphenylphosphane

Conditions
ConditionsYield
With ammonia; sodium at -78℃; for 4h;100%
Multi-step reaction with 2 steps
1: sodium / tetrahydrofuran / 1 h / 25 °C / Inert atmosphere
2: tetrahydrofuran / 25 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium / tetrahydrofuran / 1 h / 25 °C / Inert atmosphere
2: tetrahydrofuran / 25 °C
View Scheme
793695-34-8

C2H2N2(2,4,6-trimethylbenzene)PPPh2

A

1,3-bis-(2,4,6-trimethyl-phenyl)-1,3-dihydro-[1,3,2]diazaphosphole 2-oxide

B

829-85-6

diphenylphosphane

Conditions
ConditionsYield
With water at 20℃;A 100%
B n/a
1101-41-3

Tetraphenyldiphosphin

829-85-6

diphenylphosphane

Conditions
ConditionsYield
With hydrogen; Rh{HC[CMeN(iPr2C6H2)]2}(C8H14)N2 In (2)H8-toluene at 50℃; under 760.051 Torr; for 12h;95%
protic solvents, electrolysis;
With triethylsilane; gallium(III) trichloride In chlorobenzene at 100℃; for 1h;
766-77-8

Dimethylphenylsilane

1101-41-3

Tetraphenyldiphosphin

A

1009109-32-3

C20H21PSi

B

829-85-6

diphenylphosphane

Conditions
ConditionsYield
Rh{HC[CMeN(iPr2C6H2)]2}(C8H14)N2 In (2)H8-toluene at 100℃;A 95%
B 5%
507-20-0

tertiary butyl chloride

4376-01-6

sodium diphenylphosphide

829-85-6

diphenylphosphane

Conditions
ConditionsYield
In tetrahydrofuran at 25℃;95%

NiOs3H3(1+)*C5H5(1-)*8CO*PH(C6H5)2=(C5H5)NiOs3H3(CO)8PH(C6H5)2

603-35-0

triphenylphosphine

A

NiOs3H3(1+)*C5H5(1-)*8CO*P(C6H5)3=(C5H5)NiOs3H3(CO)8(P(C6H5)3)

B

829-85-6

diphenylphosphane

Conditions
ConditionsYield
In hexane The complex and a slight excess of Pp are refluxed in hexane (N2) for 6 min.; The reaction soln. was filtered and concd. to small vol. under reduced pressure then subjected to preparative thin layer chromy.(silica gel; light petroleum/diethyl ether).;A 90%
B n/a
4559-70-0

Diphenylphosphine oxide

829-85-6

diphenylphosphane

Conditions
ConditionsYield
Stage #1: Diphenylphosphine oxide With diisobutylaluminium hydride In tetrahydrofuran; toluene at 20℃; Inert atmosphere;
Stage #2: With sodium hydroxide In tetrahydrofuran; tert-butyl methyl ether; water; toluene at 5℃;
88%
With diisobutylaluminium hydride In tetrahydrofuran at 25℃; for 0.166667h;86%
With diisobutylaluminium hydride In tert-butyl methyl ether; cyclohexane at 25℃; for 0.166667h; Inert atmosphere; chemoselective reaction;86%
1079-66-9

chloro-diphenylphosphine

7429-90-5

aluminium

829-85-6

diphenylphosphane

Conditions
ConditionsYield
In N,N-dimethyl-formamide; toluene87%
In N,N-dimethyl-formamide; toluene84%
7439-96-5

manganese

1079-66-9

chloro-diphenylphosphine

106-93-4

ethylene dibromide

829-85-6

diphenylphosphane

Conditions
ConditionsYield
With chloro-trimethyl-silane In tetrahydrofuran; nitrogen; toluene84%

Diphenylphosphine Chemical Properties


IUPAC Name: Diphenylphosphane
Empirical Formula: C12H11
Molecular Weight: 186.1895 
Canonical SMILES: C1=CC=C(C=C1)PC2=CC=CC=C2
InChI: InChI=1S/C12H11P/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10,13H 
InChIKey: GPAYUJZHTULNBE-UHFFFAOYSA-N 
Flash Point:  120.1 °C 
Enthalpy of Vaporization:  49.28 kJ/mol 
Boiling Point:  275 °C at 760 mmHg 
Vapour Pressure:  0.00875 mmHg at 25 °C 
density: 1.07 g/mL at 25 °C(lit.)
storage temp.: 2-8 °C
Sensitive: Air & Moisture Sensitive
EINECS: 212-591-4
Product Categories of Phosphine,diphenyl- (CAS NO.829-85-6): Catalysis and Inorganic Chemistry; Phosphorus Compounds; Phosphorus Precursors

Diphenylphosphine Safety Profile

Hazard Codes: FlammableF,IrritantXi
Risk Statements: 17-36/37/38 
R17:Spontaneously flammable in air. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: UN 2845 4.2/PG 1
WGK Germany: 3
F: 8-10-13-23
HazardClass: 4.2
PackingGroup of Phosphine,diphenyl- (CAS NO.829-85-6): I

Diphenylphosphine Specification

 Phosphine,diphenyl- (CAS NO.829-85-6), its Synonyms are Diphenylphosphine ; Diphenyl-phosphane ; Diphenylphosphin ; Diphenyl phospine ; Diphenylphosphine,99% . It is clear colorless to slightly yellow liquid.

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