Tetrakis(triphenylphosphine)nickel Chemical Properties

Melting point:

123-128°C

storage temp. 

Inert atmosphere,Room Temperature

solubility 

sol DMF, DMA, THF, acetonitrile, benzene; slightly sol Et2O; very slightly sol n-heptane, EtOH

form 

Fine Powder

color 

Rust-brown to brown

Water Solubility 

Insoluble in water.

Sensitive 

Air Sensitive

Exposure limits

NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3

CAS DataBase Reference

15133-82-1

Safety Information

Hazard Codes 

Xn,F

Risk Statements 

40-43-11

Safety Statements 

36/37-36-22

RIDADR 

UN 1325 4.1/PG 2

WGK Germany 

3

F 

1-10

HazardClass 

4.2

PackingGroup 

II

HS Code 

29319090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Tetrakis(triphenylphosphine)nickel Usage And Synthesis

Chemical Properties

rust-brown to brown fine powder

Uses

Tetrakis(triphenylphosphine)nickel(0) is a catalyst for coupling reactions of organic halides, organometallic compounds and also for the cyclooligomerization of cumulenes.

Uses

Catalyst for coupling reactions of organic halides, organometallic Compounds and also for the cyclooligomerization of cumulenes;.

Preparation

The standard preparation of Tetrakis(triphenylphosphine)nickel involves the reduction of Nickel(II) Acetylacetonate with Triethylaluminum in the presence of Triphenylphosphine. To 21.3 g of anhydrous Ni(acac)2 and 125 g PPh3 in 800 mL of Et2O under N2 at 0°C is slowly added 28.0 g Et3Al. The reddish-brown precipitate is collected, washed with Et2O, and twice dissolved in benzene and reprecipitated by the addition of n-heptane to give about 50 g (55%) of Ni(PPh3)4.

reaction suitability

core: nickel
reagent type: catalyst

storage

Tetrakis(triphenylphosphine)nickel is highly oxygen sensitive. Special inert-atmosphere techniques must be used. Should be stored at 0 °C. Cancer suspect agent.

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