2-broMo-4,4'-di-tert-butylbiphenyl
2-broMo-4,4'-di-tert-butylbiphenyl
CAS: 70728-89-1
Molecular Formula: C20H25Br
2-broMo-4,4'-di-tert-butylbiphenyl - Names and Identifiers
| Name | 2-broMo-4,4'-di-tert-butylbiphenyl |
| Synonyms | 2-broMo-4,4'-di-tert-butylbiphenyl 2-Bromo-4,4'-di-tert-butyl-1,1'-biphenyl 1,1'-Biphenyl,2-bromo-4,4'-bis(1,1-dimethylethyl)- 2-bromo-4-tert-butyl-1-(4-tert-butylphenyl)benzene |
| CAS | 70728-89-1 |
2-broMo-4,4'-di-tert-butylbiphenyl - Physico-chemical Properties
| Molecular Formula | C20H25Br |
| Molar Mass | 345.32 |
| Density | 1.134±0.06 g/cm3(Predicted) |
| Melting Point | 89.4-90.9 °C(Solv: ethanol (64-17-5)) |
| Boling Point | 367.5±11.0 °C(Predicted) |
| Storage Condition | Room Temprature |
| Sensitive | IRRITANT |
| MDL | MFCD20921696 |
2-broMo-4,4'-di-tert-butylbiphenyl - Introduction
2-broMo-4,4 '-di-tert-butylbiphenyl is an organic compound with the chemical formula C20H25Br. It is a colorless to pale yellow crystal with a strong aromatic odor.
2-broMo-4,4 '-di-tert-butylbiphenyl is commonly used as an intermediate for liquid crystal materials. Liquid crystal materials are widely used in electronic displays, mobile phone screens and touch screens. It can also be used as a catalyst and ligand for organic synthesis reactions.
The preparation of 2-broMo-4,4 '-di-tert-butylbiphenyl is generally carried out using bromobenzene and tert-butyl cesium bromide under basic conditions. First, bromobenzene and alkali metal bromide are reacted to produce tert-butyl cesium bromide, then tert-butyl cesium bromide is reacted with tert-butanol to produce tert-butyl bromobenzene, and finally with bromobenzene to obtain the target product.
Regarding safety information, 2-broMo-4,4 '-di-tert-butylbiphenyl is an organic compound, and care should be taken to avoid skin contact and inhalation. During operation, protective gloves and protective glasses should be worn, and the experiment should be carried out in a well-ventilated place. If taken by mistake or inhaled by mistake, please seek medical attention as soon as possible. It is also important to properly store and dispose of the waste of this compound to avoid pollution to the environment.
2-broMo-4,4 '-di-tert-butylbiphenyl is commonly used as an intermediate for liquid crystal materials. Liquid crystal materials are widely used in electronic displays, mobile phone screens and touch screens. It can also be used as a catalyst and ligand for organic synthesis reactions.
The preparation of 2-broMo-4,4 '-di-tert-butylbiphenyl is generally carried out using bromobenzene and tert-butyl cesium bromide under basic conditions. First, bromobenzene and alkali metal bromide are reacted to produce tert-butyl cesium bromide, then tert-butyl cesium bromide is reacted with tert-butanol to produce tert-butyl bromobenzene, and finally with bromobenzene to obtain the target product.
Regarding safety information, 2-broMo-4,4 '-di-tert-butylbiphenyl is an organic compound, and care should be taken to avoid skin contact and inhalation. During operation, protective gloves and protective glasses should be worn, and the experiment should be carried out in a well-ventilated place. If taken by mistake or inhaled by mistake, please seek medical attention as soon as possible. It is also important to properly store and dispose of the waste of this compound to avoid pollution to the environment.
Last Update：2024-04-10 22:29:15
