Bis(pentamethylcyclopentadienyl)nickel
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene)
CAS: 74507-63-4
Molecular Formula: C20H30Ni
Bis(pentamethylcyclopentadienyl)nickel - Names and Identifiers
Bis(pentamethylcyclopentadienyl)nickel - Physico-chemical Properties
| Molecular Formula | C20H30Ni |
| Molar Mass | 329.15 |
| Melting Point | 261-266°C(lit.) |
| Boling Point | 170.2°C at 760 mmHg |
| Flash Point | >230°F |
| Vapor Presure | 1.97mmHg at 25°C |
| Appearance | crystal |
| Color | greenish-black |
| Storage Condition | Room Temprature |
| Sensitive | Air & Moisture Sensitive |
| MDL | MFCD00058704 |
Bis(pentamethylcyclopentadienyl)nickel - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | 36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| Packing Group | II |
Bis(pentamethylcyclopentadienyl)nickel - Introduction
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is an organometallic compound with the chemical formula [(C5(CH3)5)2Ni]. It is a deep red crystal, soluble in many organic solvents, such as ether, methylene chloride and tetrahydrofuran. Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) has some of the following main properties:
1. High thermal stability: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) has good thermal stability in the air and can be stored for several years at room temperature without decomposition.
2. Redox reactions are prone to occur: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is a good redox reagent that can easily undergo electron transfer reactions to provide or accept electrons.
3. Strong ability to react with ligands: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is a multifunctional ligand that can form complexes with different ligands and is widely used in catalyst synthesis and organic synthesis reactions.
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) has many important applications in organic synthesis, some of which include:
1. Catalyst: It can be used as a catalyst for many different types of catalysts, such as cross-coupling reactions, hydrogenation reactions and carbonylation reactions.
2. Organic synthesis reagent: It can be used as a reagent in organic synthesis to construct complex organic molecules.
3. photoelectric materials: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) plays an important role in some photoelectric materials, with electrical conductivity and magnetic properties.
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is usually synthesized by the following methods:
1. Direct reduction method: dissolve pentamethylcyclopentadienyl nickel (II) in a solvent, and add a reducing agent such as potassium bromide or aluminum powder for direct reduction.
2. methylation method: five methyl cyclopentadiene dissolved in a solvent, adding methyl magnesium bromide and other reagents for reaction, and then in a reducing atmosphere for methylation reaction.
When using Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene), some safety measures need to be taken:
1. should be operated in a well-ventilated laboratory environment, avoid inhalation and contact with skin.
2. Avoid direct contact with the compound, wear protective gloves and safety glasses.
3. when handling solutions or substances containing Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene), be careful to prevent fire during the reaction.
4. storage should be kept in a dry, cool place, avoid contact with organic matter and moisture.
1. High thermal stability: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) has good thermal stability in the air and can be stored for several years at room temperature without decomposition.
2. Redox reactions are prone to occur: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is a good redox reagent that can easily undergo electron transfer reactions to provide or accept electrons.
3. Strong ability to react with ligands: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is a multifunctional ligand that can form complexes with different ligands and is widely used in catalyst synthesis and organic synthesis reactions.
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) has many important applications in organic synthesis, some of which include:
1. Catalyst: It can be used as a catalyst for many different types of catalysts, such as cross-coupling reactions, hydrogenation reactions and carbonylation reactions.
2. Organic synthesis reagent: It can be used as a reagent in organic synthesis to construct complex organic molecules.
3. photoelectric materials: Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) plays an important role in some photoelectric materials, with electrical conductivity and magnetic properties.
Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene) is usually synthesized by the following methods:
1. Direct reduction method: dissolve pentamethylcyclopentadienyl nickel (II) in a solvent, and add a reducing agent such as potassium bromide or aluminum powder for direct reduction.
2. methylation method: five methyl cyclopentadiene dissolved in a solvent, adding methyl magnesium bromide and other reagents for reaction, and then in a reducing atmosphere for methylation reaction.
When using Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene), some safety measures need to be taken:
1. should be operated in a well-ventilated laboratory environment, avoid inhalation and contact with skin.
2. Avoid direct contact with the compound, wear protective gloves and safety glasses.
3. when handling solutions or substances containing Bis(pentamethylcyclopentadienyl)nickel (Decamethylnickelocene), be careful to prevent fire during the reaction.
4. storage should be kept in a dry, cool place, avoid contact with organic matter and moisture.
Last Update：2024-04-10 22:29:15
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