1,4-bis(p-tolyl)benzene - Names and Identifiers
1,4-bis(p-tolyl)benzene - Physico-chemical Properties
| Molecular Formula | C20H18
|
| Molar Mass | 258.36 |
| Melting Point | 255-257℃ |
1,4-bis(p-tolyl)benzene - Upstream Downstream Industry
1,4-bis(p-tolyl)benzene - Introduction
3 ',3 ''-Dimethyl-p-terphenyl, also known as 3',3''-dimethyl-p-biphenyl, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: colorless crystal or white powder
-Molecular formula: C20H18
-Molecular weight: 258.36g/mol
-Melting Point: 110-112 ° C
-Boiling point: not clear
-Density: Not clear
-Solubility: Soluble in organic solvents, almost insoluble in water
Use:
3 ',3 "-dimethyl-p-biphenyl is an important organic semiconductor material, which is widely used in the preparation of organic optoelectronic devices. It can be used to manufacture organic light emitting diodes (OLED), organic field effect transistors (OFET) and organic solar cells, etc.
Method:
3 ',3'-dimethyl-p-biphenyl has many preparation methods, and the common methods include the following:
1. React dimethyl aromatic amine with P-toluenesulfonic anhydride to obtain dimethyl-p-aminomethylbenzene, and obtain the target product through continued oxidation, reduction and cyclization reactions.
2. The methyl-linked bromophenyl compound is reacted with phenyl lithium to obtain the methyl derivative of Terphenyl, and then the target product is obtained by methylation reaction.
Safety Information:
3 ',3'-Dimethyl-p-biphenyl requires the following safety precautions during operation:
-The compound may be harmful to the environment and should be avoided from being released into the environment.
-During the operation, you need to pay attention to avoid contact with skin and eyes, and avoid inhaling its dust.
-If you come into contact with this compound, rinse the affected area immediately with plenty of water and seek medical attention.
-During storage and handling, the prescribed safe operating methods should be followed.
Last Update：2024-04-10 22:29:15