Dibromobis(Tributylphosphine)-Nickel - Names and Identifiers
Dibromobis(Tributylphosphine)-Nickel - Physico-chemical Properties
Molecular Formula | C24H54Br2NiP2
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Molar Mass | 623.13 |
Melting Point | 55-56°C(lit.) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Dibromobis(Tributylphosphine)-Nickel - Risk and Safety
Hazard Symbols | T - Toxic
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Risk Codes | R45 - May cause cancer
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R34 - Causes burns
R42 - May cause sensitization by inhalation
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Safety Description | S53 - Avoid exposure - obtain special instructions before use.
S22 - Do not breathe dust.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
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UN IDs | UN 1759 8/PG 2 |
WGK Germany | 3 |
Hazard Class | 8 |
Packing Group | III |
Dibromobis(Tributylphosphine)-Nickel - Introduction
Dibromobis(tributylphosphine)nickel(II) is a complex with the chemical formula NiBr2(PBu3)2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
Dibromobis(tributylphosphine)nickel(II) is a solid, gray-white crystal at room temperature. The compound is stable in air, but is readily soluble in ethers, organic solvents and ketone solvents.
Use:
Dibromobis(tributylphosphine)nickel(II) is widely used in organic synthesis as an important transition metal catalyst. It can be used to catalyze the hydrogenation of olefins, the cyclopentadiene conjugate addition reaction of olefins, and the partial hydrogenation reaction of acetylene.
Preparation Method:
The preparation of Dibromobis(tributylphosphine)nickel(II) is generally obtained by reacting a nickel(II) salt with tributylphosphine in a solvent. For example, nickel(II) chloride and tributylphosphine can be reacted in tetrahydrofuran solution to form Dibromobis(tributylphosphine)nickel(II).
Safety Information:
When using and handling Dibromobis(tributylphosphine)nickel(II), it is necessary to comply with general laboratory safety regulations. This compound may cause irritation and damage to the skin, eyes and respiratory system, so appropriate personal protective equipment such as safety glasses, gloves and protective face masks should be worn during handling. In addition, the compound should be properly stored and protected from contact with oxygen, moisture and acidic substances to prevent possible dangerous reactions. It needs to be stored in a sealed container, away from fire and high temperature environment.
Last Update:2024-04-10 22:29:15