phosphine)(2,4,6-trimethyL
Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide
CAS: 69456-30-0
Molecular Formula: C21H44BrNiP2
phosphine)(2,4,6-trimethyL - Names and Identifiers
phosphine)(2,4,6-trimethyL - Physico-chemical Properties
| Molecular Formula | C21H44BrNiP2 |
| Molar Mass | 497.13 |
| Melting Point | 159-164°C |
| Appearance | powder or solid |
phosphine)(2,4,6-trimethyL - Risk and Safety
| UN IDs | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all |
phosphine)(2,4,6-trimethyL - Introduction
Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide, with the chemical formula Ni[2,4,6-(CH3)3C6H2C6H2P(C2H5)3]2Br2, is an organo-nickel compound.
Nature:
1. appearance: red solid.
2. melting point: about 80-85 ℃.
3. Solubility: Slightly soluble in non-polar solvents (such as ether, petroleum ether), insoluble in water.
4. Stability: Stable in the air, but will dissolve in humid air.
Use:
1. Catalyst: It can be used as a catalyst in low-temperature polymer synthesis, such as catalytic ethylene polymerization.
2. organic synthesis: can be used in organic synthesis of hydrogenation reaction, carbon-carbon bond activation and nucleophilic substitution reaction.
3. Others: In the field of organic synthesis, Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide can also be used as a precursor for other organic nickel complexes.
Preparation Method:
Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide can be obtained by reacting nickel(II) bromide and triethylphosphine (PEt3) with 2,4, 6-trimethylphenyllithium (Li-C6H2 (CH3)3) in an anhydrous solvent.
Safety Information:
1. Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide may be harmful to the human body under improper operating conditions, and should be operated in a well-ventilated environment and wear protective equipment.
2. avoid inhalation or contact with skin and eyes, such as accidental contact, please rinse with plenty of water, and seek medical help.
3. In the case of accidental spills, take necessary countermeasures and dispose of wastes and residues in accordance with local regulations.
Please note that when using or handling this compound, refer to relevant safety literature and follow laboratory procedures.
Nature:
1. appearance: red solid.
2. melting point: about 80-85 ℃.
3. Solubility: Slightly soluble in non-polar solvents (such as ether, petroleum ether), insoluble in water.
4. Stability: Stable in the air, but will dissolve in humid air.
Use:
1. Catalyst: It can be used as a catalyst in low-temperature polymer synthesis, such as catalytic ethylene polymerization.
2. organic synthesis: can be used in organic synthesis of hydrogenation reaction, carbon-carbon bond activation and nucleophilic substitution reaction.
3. Others: In the field of organic synthesis, Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide can also be used as a precursor for other organic nickel complexes.
Preparation Method:
Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide can be obtained by reacting nickel(II) bromide and triethylphosphine (PEt3) with 2,4, 6-trimethylphenyllithium (Li-C6H2 (CH3)3) in an anhydrous solvent.
Safety Information:
1. Trans-Bis(triethylphosphine)(2,4,6-trimethylphenyl)nickel(II) bromide may be harmful to the human body under improper operating conditions, and should be operated in a well-ventilated environment and wear protective equipment.
2. avoid inhalation or contact with skin and eyes, such as accidental contact, please rinse with plenty of water, and seek medical help.
3. In the case of accidental spills, take necessary countermeasures and dispose of wastes and residues in accordance with local regulations.
Please note that when using or handling this compound, refer to relevant safety literature and follow laboratory procedures.
Last Update：2024-04-10 22:29:15
