2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene

2.5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene, its main application field is quite wide. In the field of lighting, it is often a fluorescent whitening agent, which can be added to various light sources, such as fluorescent lamps, LED lamps, etc. It increases the luminous efficiency and makes the light color more pleasing to the eye, just like luminous beads, illuminating dark corners.
In the plastics industry, it is also indispensable. It can significantly improve the optical properties of plastic products, make their appearance more bright and bright, and the color is as radiant as jade, enhancing the competitiveness of plastic products in the market. < Br >
In the field of coatings, it can be used as a paint additive to improve the whiteness and gloss of the paint, just like putting on a fancy dress for the building, making it more beautiful and durable.
In the textile industry, it also shows its skills. It can whiten and brighten the fabric, just like adding brilliant neon to the fabric, lasting color and making the clothes more attractive.
This compound plays a key role in many industrial fields with its unique structure and properties, such as starlight in the night sky, illuminating the path of many industries.

2.5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene is an organic compound. Its physical properties are particularly important and related to many applications.
First of all, its appearance is often white to light yellow crystalline powder, pure color and quality, and fine appearance. This form is conducive to its operation and application in many fields, easy to weigh, mix, etc.
When it comes to melting point, it is between 198-202 ° C. The melting point is stable, and this property is of great significance for material processing and purification. Heating to this temperature range, the compound gradually melts from solid to liquid, which can lay the foundation for subsequent molding, modification and other processes. < Br >
In terms of solubility, it exhibits good solubility in common organic solvents such as toluene and chloroform. However, in water, the solubility is extremely low. This property allows for the selection of appropriate solvents according to needs when separating, extracting or preparing solutions. If it is to be applied to the reaction of organic phases or coatings, solvents such as toluene and chloroform can help it to disperse uniformly and play a role.
Furthermore, the compound has high thermal stability. Its chemical structure and properties remain stable within a certain temperature range, and it is not easy to decompose or deteriorate. This property makes it suitable for applications in high temperature environments, such as some plastic products and fiber materials. In the case of high temperature during processing or use, it can still maintain its own structure and function, and ensure the overall performance of the material.
In addition, 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene has unique optical properties. Under specific wavelength light irradiation, it can emit fluorescence, and the fluorescence intensity and stability are excellent. This optical property has great potential in the fields of fluorescence detection, optical materials, etc., such as making fluorescent probes for biomolecular detection, or enhancing the luminescence effect in optical display materials.

The synthesis of 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene is an important topic in organic synthetic chemistry. To prepare this substance, the following method can be followed.
First, 2,5-thiophene dicarboxylic acid is used as the starting material, and it is co-heated with thionyl chloride. This step aims to convert the carboxyl group into an acyl chloride to obtain 2,5-thiophene dicarboxylic acid chloride. The reaction is as follows: left: 2,5-thiophene dicarboxylic acid + SOCl ² → 2,5-thiophene dicarboxylic acid chloride + SOD ² + HCl. This reaction needs to be carried out at an appropriate temperature and reaction time to ensure a high yield. Next, 5-tert-butyl-2-aminophenol is taken and reacted with sodium cyanate in a suitable solvent to form 5-tert-butyl-2-benzoxazolone intermediate. The control of reaction conditions in this step is critical, such as the choice of solvent, the proportion of reactants, and the reaction temperature, all affect the reaction process and product purity. The reaction formula is as follows: 5-tert-butyl-2-aminophenol + NaOCN → 5-tert-butyl-2-benzoxazolidone + NaOH.
Then, the obtained 2,5-thiophenedioyl chloride is condensed with 5-tert-butyl-2-benzoxazolidone under the catalysis of base. The type and dosage of base, reaction temperature and time need to be carefully controlled to efficiently generate 2.5-bis (5-tert-butyl-2-benzoxazolidyl) thiophene. The main reactions are as follows: 2,5-thiophenediyl chloride + 2 × 5-tert-butyl-2-benzoxazolidone + 2 × base → 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene + 2 × base hydrochloride.
After the reaction, the product needs to be separated and purified. The organic phase containing the product can be separated from the reaction mixture by extraction first, and then the purity of the product can be further improved by means of column chromatography or recrystallization to obtain a high-purity 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene.
Although this synthesis method has a variety of steps, each step can be properly controlled to achieve effective synthesis of the target product, which is of great practical significance in the field of organic synthesis.

There is a question today, what is the market price of 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene. This is a fine chemical and is used in many fields, but its market price often varies according to time, place, quality and supply and demand conditions.
In the past, the price of such compounds may vary due to the cost of raw materials and the difficulty of preparation processes. If the raw materials are easy to recover and the process is simple, the price may be flat; if the raw materials are rare and expensive and difficult to prepare, the price will be high.
The exact data is not available at the moment. However, if you want to know the price, you can go to the chemical trading platform and consult the merchant, or you can get a quotation at the time. Or visit industry exhibitions, seminars, and talk with industry insiders to get a rough idea of the market. Or refer to the market survey report, although it may not be real-time, it can also know the price trend.
In short, if you want to know the market price of 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene, you need to explore and comprehensively consider to get a more accurate number.

The stability of 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene is related to many aspects, and it is described in ancient literature.
The stability of this substance depends on its molecular structure. It contains benzoxazolyl and thiophene structures, and the ring of benzoxazolyl has a conjugated system, which gives certain stability. The conjugated system is such a strong structure that the electron cloud is evenly distributed, and it is difficult to cause structural disintegration due to external subtle disturbances. And tert-butyl is connected to the 5th position of benzoxazolyl, and tert-butyl is a large substituent, which has a steric hindrance effect. This effect is like a guard, preventing external small molecules from approaching the reaction check point, preventing the molecular structure from being easily damaged and strengthening the stability.
Secondly, temperature has a significant impact on its stability. In case of high temperature, the kinetic energy of the molecule increases greatly and the vibration intensifies. If the temperature rises to a certain critical point, the energy of the chemical bond in the molecule is enough to overcome the bond energy binding, and the bond breaks and the stability is lost. However, under normal ambient temperature, the molecular structure can be maintained relatively stable.
Furthermore, light is also a key factor. Light energy can cause molecular electron transitions, and the molecular activity in the excited state increases greatly, which is easy to initiate chemical reactions. However, 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene, due to its special structure, has an absorption and stabilization mechanism for specific wavelengths of light, which can dissipate part of the light energy and resist the damage of light to stability to a certain extent.
In addition, the pH environment cannot be ignored. In a strong acid-base environment, acid-base can react with specific molecular groups to change the molecular structure and damage the stability. In a neutral or near-neutral mild environment, its stability is better.
In summary, 2.5-bis (5-tert-butyl-2-benzoxazolyl) thiophene can maintain good stability under suitable conditions by virtue of its own molecular structure characteristics; however, when external conditions change drastically, its stability may be challenged.