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What is the chemical structure of 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diimino] bis (sodium 5-butylbenzenesulfonate)
This is a question about the chemical structure of "2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diamino] bis (5-methylbenzenesulfonate barium) ". The structure of this compound, anthracycline is the group, and the 9 and 10 oxides cause it to have specific conjugation and electron cloud distribution, which affects physicochemical properties. The 1 and 4 diimino groups, -NH-structures can involve hydrogen bonds and other interactions, which affect intermolecular forces and solubility. 5-Barium methylbenzenesulfonate group is connected on both sides, the benzene ring is used for hydrophobicity, and the methyl group is used as the power supply group to change the electron cloud density of the benzene ring. The barium sulfonate group has hydrophilicity and ionic properties, which can increase the water solubility and ionic properties of the compound. The overall structure determines that the compound has unique applications in specific fields, such as materials and chemical industries, due to its unique hydrophilic, hydrophobic and electronic properties.
2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diimino] bis (sodium 5-butylbenzenesulfonate) is mainly used in which fields
This is 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (5-butylbenzoxazole), which has a wide range of uses. In the field of lighting, it is often used as a fluorescent whitening agent, which can significantly improve the whiteness and gloss of paper, fabrics and other materials, making them brighter under light, such as the production of many high-quality paper and fabrics. In the plastics industry, it can enhance the light stability and color of plastic products, optimize the appearance of plastic products, and is widely used in the production of plastic films, plastic pipes, etc., to improve their optical properties. In the field of coatings, as an additive, it can improve the brightness and durability of coatings, and is widely used in automotive paints, architectural paints, etc., to make the coating color more vivid and lasting.
Although it is not directly recorded in "Tiangong Kaiwu", there are similarities between the records of many materials and processes in the book and the application of this substance. For example, the fabric dyeing and processing technology recorded in "Tiangong Kaiwu" is similar to the use of this substance for fabric whitening, which is to improve the aesthetics and quality of fabrics. The description of various material properties and applications in the book is also in line with the application principle of this substance in different fields. It is based on the understanding and utilization of material properties to meet the needs of production and life.
What are the physicochemical properties of 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diimino] bis (sodium 5-butylbenzenesulfonate)
This is a compound named 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (5-chlorobenzoic acid). Its physical and chemical properties are as follows:
- ** Appearance properties **: This compound is often in the form of white to light yellow crystalline powder, like finely crushed frost and snow, delicate and uniform.
- ** Solubility **: In organic solvents, such as common acetone and dichloromethane, its dissolution is quite good, just like snowflakes melt into warm water and disappear quietly, forming a uniform solution; in water, its solubility is very small, just like hard ice is difficult to melt in a cold pool, and can only be suspended in it.
- ** Melting point **: Its melting point is in a specific temperature range, about 240 - 245 ° C. When the temperature gradually rises, the compound begins to slowly melt from the solid state to the liquid state, just like ice and snow in the warm sun and turn into gurgling water.
- ** Stability **: In a dry environment at room temperature and pressure, this compound is quite stable, just like sitting firmly in the army's tent, motionless; however, if exposed to strong light, hot topics or extreme conditions of strong acid and alkali, its chemical structure may change, just like a building being shaken by a strong earthquake.
- ** Spectral properties **: In the infrared spectrum, specific chemical bond vibrations will exhibit characteristic absorption peaks, like unique music notes, playing the music of the compound structure; in the nuclear magnetic resonance spectrum, hydrogen atoms or carbon atoms in different chemical environments will show different signals, just like the twinkling stars in the night sky, each with its own position, so as to gain insight into the fine structure of the compound.
What is the synthesis method of 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diimino] bis (sodium 5-butylbenzenesulfonate)
To prepare 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (cadmium 5-tert-butylbenzenesulfonate), the method is as follows:
First take an appropriate amount of 9,10-dioxo-9,10-dihydroanthracene-1,4-diformaldehyde, place it in a clean reactor, add an appropriate amount of organic solvent, such as dichloromethane, stir to fully dissolve it to form a homogeneous solution.
Take an appropriate amount of ethylene reagent, such as vinyl Grignard reagent, and slowly add it dropwise to the above solution containing 9,10-dioxo-9,10-dihydroanthracene-1,4-diformaldehyde under low temperature and nitrogen protection. The dropwise addition process must control the rate and closely monitor the reaction temperature to maintain it within a specific range to prevent side reactions from occurring. After the dropwise addition is completed, continue to stir the reaction for a period of time until the reaction is complete, resulting in 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] intermediate.
Subsequently, the obtained intermediate is reacted with 5-tert-butylbenzenesulfonic acid under suitable acid-base conditions. Weakly basic substances can be selected to adjust the pH value of the reaction system to promote the substitution reaction between the two to generate 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (5-tert-butylbenzenesulfonic acid).
Finally, an appropriate amount of cadmium salt, such as cadmium acetate, is added to the reaction system, and under heating and stirring conditions, it is fully reacted with 2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (5-tert-butylbenzenesulfonic acid). After precipitation, filtration, washing, drying and other series operations, 2,2' - [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diethylene] bis (5-tert-butylbenzenesulfonic acid cadmium) can be prepared. The entire process requires strict control of the reaction conditions to ensure product purity and yield.
2,2 '- [ (9,10-dioxo-9,10-dihydroanthracene-1,4-diyl) diimino] bis (sodium 5-butylbenzenesulfonate) What are the precautions during use?
2%2C2%27-%5B%289%2C10-%E4%BA%8C%E6%B0%A7%E4%BB%A3-9%2C10-%E4%BA%8C%E6%B0%A2%E8%92%BD-1%2C4-%E4%BA%8C%E5%9F%BA%29%E4%BA%8C%E4%BA%9A%E6%B0%A8%E5%9F%BA%5D%E5%8F%8C%285-%E4%B8%81%E5%9F%BA%E8%8B%AF%E7%A3%BA%E9%85%B8%E9%92%A0%29 is a complex chemical substance. When using this substance, pay attention to the following points:
First, safety protection must be comprehensive. Due to its chemical nature or potential danger, professional protective equipment should be worn during operation, such as protective clothing, protective gloves and protective glasses, to prevent direct contact with the human body and avoid damage to the skin, eyes and other parts. At the same time, the operation should be carried out in a well-ventilated place to prevent the accumulation of harmful gases and ensure respiratory safety.
Second, accurately control the dosage. The reactivity and effect of this substance or the dosage requirements are strict, and too much or too little dosage may affect the expected effect. Before use, the dosage should be strictly controlled according to the specific reaction requirements and relevant standards, with the help of accurate measurement tools, to ensure that the reaction proceeds as planned.
Third, properly store. The stability of the substance or by environmental factors, storage should pay attention to temperature and humidity conditions. Generally speaking, it should be stored in a dry, cool and ventilated place, away from fire, heat and oxidants, etc., to prevent deterioration or dangerous reactions.
Fourth, pay close attention to the reaction process. During use, the temperature, time, pH value and other conditions of the reaction need to be closely monitored and regulated. Different reaction conditions may cause product differences and even cause safety problems. Once abnormal phenomena are detected, such as sudden temperature changes, abnormal odors, etc., appropriate measures should be taken immediately to ensure safe operation and smooth experimentation.