19934-95-3
bis(4-methylphenyl)-phenyl-phosphane
CAS: 19934-95-3
Molecular Formula: C20H19P
19934-95-3 - Names and Identifiers
| Name | bis(4-methylphenyl)-phenyl-phosphane |
| Synonyms | -phosphane bis(4-methyL Phenyldi-p-tolylphosphine bis(4-methylphenyl)-phenyl-phosphane Phosphine, bis(4-methylphenyl)phenyl- |
| CAS | 19934-95-3 |
19934-95-3 - Physico-chemical Properties
| Molecular Formula | C20H19P |
| Molar Mass | 290.34 |
| Melting Point | 53-54 °C |
| Boling Point | 140-145 °C(Press: 2 Torr) |
19934-95-3 - Introduction
bis(4-methylphenyl)-phenyl-phosphane is an organic compound with the chemical formula C26H23P. The following is a description of the nature, use, preparation and safety information of bis(4-methylphenyl)-phenyl-phosphane:
Nature:
1. Appearance: white or almost white crystal.
2. Melting point: about 143-144°C.
3. solubility: can be dissolved in some common organic solvents, such as ether and dichloromethane.
Use:
1. bis(4-methylphenyl)-phenyl-phosphane is often used as a catalyst or ligand in organic synthesis, participating in a variety of reactions, such as hydrogenation, olefin polymerization and C- C coupling.
2. It can also be used to prepare other organic compounds, such as various organic phosphorus compounds.
Preparation Method:
bis(4-methylphenyl)-phenyl-phosphane can be prepared by the following steps:
1. First, add dimethylamino sawdust or other alkali in dichloromethane.
2. Then, 4-methylbromobenzene is reacted with phenylphosphine (or its sodium salt) to generate bis(4-methylphenyl)-phenyl-phosphane.
Safety Information:
1. bis(4-methylphenyl)-phenyl-phosphane is irritating to the skin and eyes, direct contact should be avoided.
2. When operating, should wear appropriate personal protective equipment, such as chemical protective gloves and safety glasses.
3. Please seal the storage, away from the fire and oxidant.
4. Please read carefully and follow the relevant safety instructions before use.
Nature:
1. Appearance: white or almost white crystal.
2. Melting point: about 143-144°C.
3. solubility: can be dissolved in some common organic solvents, such as ether and dichloromethane.
Use:
1. bis(4-methylphenyl)-phenyl-phosphane is often used as a catalyst or ligand in organic synthesis, participating in a variety of reactions, such as hydrogenation, olefin polymerization and C- C coupling.
2. It can also be used to prepare other organic compounds, such as various organic phosphorus compounds.
Preparation Method:
bis(4-methylphenyl)-phenyl-phosphane can be prepared by the following steps:
1. First, add dimethylamino sawdust or other alkali in dichloromethane.
2. Then, 4-methylbromobenzene is reacted with phenylphosphine (or its sodium salt) to generate bis(4-methylphenyl)-phenyl-phosphane.
Safety Information:
1. bis(4-methylphenyl)-phenyl-phosphane is irritating to the skin and eyes, direct contact should be avoided.
2. When operating, should wear appropriate personal protective equipment, such as chemical protective gloves and safety glasses.
3. Please seal the storage, away from the fire and oxidant.
4. Please read carefully and follow the relevant safety instructions before use.
Last Update：2024-04-10 22:29:15
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