Bis(triphenylphosphine)nickel(II) Dichloride For catalyst CAS 14264-16-5

The compound corresponding to CAS 14264-16-5 is Bis(triphenylphosphine)nickel(II) dichloride, with a molecular formula of C₃₆H₃₀Cl₂NiP₂ and a molecular weight of 654.18 g/mol. The compound is a dark green solid at room temperature, odorless, with a melting point of 250°C (decomposes). It is insoluble in water but soluble in organic solvents such as toluene and tetrahydrofuran (THF). It exhibits strong hygroscopicity and requires handling and storage under nitrogen protection.

The molecular structure of Bis(triphenylphosphine)nickel(II) dichloride consists of a central nickel(II) ion coordinated with two triphenylphosphine ligands and two chloride ions, with the structural formula [(C₆H₅)₃P]₂NiCl₂.

1. It is a red crystal or powder, soluble in organic solvents such as benzene, toluene and dichloromethane.
2. The compound has a planar quadrilateral structure, in which two triphenylphosphine ligands and two chlorine ligands are coordinated to the nickel atom.
3. It is relatively stable in the air, but may gradually decompose under light and should be stored in a dark and dry condition.

Uses：

Bis(triphenylphosphine)nickel(II) dichloride is a nickel-containing organometallic complex primarily used in catalysis. In organic synthesis, it facilitates coupling reactions (e.g., cross-coupling of aryl methanesulfonates with organoboron lithium compounds), olefin hydrogenation, and hydrosilylation reactions. It also serves as a catalyst component for olefin polymerization.

Storage conditions: sealed and protected from light, stored in a cool and dry place (2-8℃ refrigeration is recommended), and isolated from air and moisture under nitrogen protection.
Transportation requirements: transported as hazardous chemicals, classified as UN 3282 (organic toxic solids).

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