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What are the chemical properties of 1-isocyanate-2- (trifluoromethoxy) benzene (9CI)?
Isocyanate- (triethoxy) silicon (9CI) is an organosilicon compound with unique chemical properties. In this compound, the silicon atom is connected with three ethoxy groups and one isocyanate. Ethoxy groups impart hydrophilicity to silicon atoms. Because oxygen atoms can form hydrogen bonds with water molecules, the substance can exhibit certain solubility and dispersion in water under certain conditions.
The isocyanate functional group is quite active, and the carbon-nitrogen double bond and carbon-oxygen double bond are rich in electrons, making it easy to react with compounds containing active hydrogen. For example, when reacted with alcohols, carbamates can be formed; when reacted with amines, ureas can be formed. These reactions are caused by the electrophilic carbon atoms in isocyanate attacking the nucleophilic check point in active hydrogen compounds.
In addition, due to the connection of ethoxy groups to silicon atoms, the compound can play the role of a coupling agent in some systems. At the interface between inorganic materials and organic materials, by means of hydrolysis and condensation of ethoxy groups, it can be combined with hydroxyl groups on the surface of inorganic materials, and isocyanate reacts with organic materials to enhance the bonding force between the two and improve the performance of composites. However, its active chemical properties also require caution when storing and using, avoiding water and active hydrogen compounds to prevent unnecessary reactions from occurring and causing product deterioration or failure.
What are the main uses of 1-isocyanate-2- (trifluoromethoxy) benzene (9CI)?
Benzyl isovalerate - (triethoxy) silicon (9CI) This substance has a wide range of uses and can add a unique flavor to the fragrance domain. Benzyl isovalerate has a fragrant and rich flavor, which can add a different flavor to the fragrance formula. It is often used to make floral and fruity fragrances, making the aroma rich and more attractive.
In the field of organic synthesis, it is also an important intermediate. It can be converted into other organic compounds through various chemical reactions. (Triethoxy) silicon (9CI) can participate in the silanization reaction, laying the foundation for the synthesis of silicone-containing organic materials. Such materials are widely used in coatings, adhesives and other industries.
In terms of material modification, (triethoxy) silicon (9CI) can improve the interface properties of materials. Adding to polymer materials can enhance the bonding force between materials and fillers, improve the mechanical properties and water resistance of materials. Benzyl isovalerate and (triethoxy) silicon (9CI) have their own capabilities in different fields, bringing many conveniences and improvements to industrial production and daily life.
What to pay attention to when storing 1-isocyanate-2- (trifluoromethoxy) benzene (9CI)
Both isocyanate complexes and (triethoxy) silicon (9CI) need to be paid attention to when storing.
Isocyanate complexes are active in nature and react violently in contact with water to produce amines and carbon dioxide. Therefore, when storing, be sure to ensure that the environment is dry, away from water sources, and must not expose them to humid air. And because of its strong corrosiveness, strict requirements are required for storage containers, and corrosion-resistant materials are required, such as special metal containers or specific plastic containers, to prevent corrosion and leakage of containers.
(triethoxy) silicon (9CI), although its stability is slightly better than that of isocyanate complexes, should not be taken lightly. It is more sensitive to temperature changes, and under high temperature, it may cause decomposition or polymerization reactions. In the storage place, the temperature should be maintained in a cool range, generally 5 to 25 degrees Celsius, and it should be protected from direct light, because light may also promote chemical reactions.
In addition, both are toxic and irritating. The storage place must be well ventilated to prevent gas accumulation and endanger personal safety. Management personnel need to be professionally trained to be familiar with its characteristics and safe operation procedures. During handling and storage, handle with care to avoid impact and friction of the container to prevent damage.
Furthermore, these two should not be stored and mixed with oxidizing substances, acids, alkalis, etc., because they may cause violent chemical reactions with them, causing serious accidents such as fires and explosions. It is necessary to strictly follow the chemical storage specifications, classify and store them, and set up obvious signs for identification and management, so as to ensure safe storage.
What is the preparation method of 1-isocyanate-2- (trifluoromethoxy) benzene (9CI)?
To prepare isocyanate (triethoxy) silicon (9CI), the method is as follows:
First take an appropriate amount of raw materials, and prepare a compound containing isocyanate and a reactant containing triethoxy silicon group. The raw materials used must be pure, and the reaction is easy to form with few impurities, and the product is also pure.
In a suitable reaction vessel, place the raw materials. This vessel should be able to withstand the conditions of the reaction and do not interact chemically with the reactants. Control the temperature and pressure of the reaction. The temperature should be stable within a certain range. Depending on the reaction characteristics, it may need to be heated or carried out at room temperature. The pressure should also be moderate, normal pressure or slightly increased pressure, depending on the reaction requirements.
During the reaction, a suitable catalyst may be added to promote the reaction rate and reduce the energy required for the reaction. The amount of catalyst must be precisely controlled, and too much or too little will affect the reaction effect.
During the reaction, when stirring with suitable equipment, the reactants are fully mixed and contacted to make the reaction proceed uniformly. And to closely monitor the reaction process, analytical instruments, such as chromatographs, can be used to measure the degree of reaction and product formation.
After the reaction is completed, the reaction mixture is obtained. Subsequent separation and purification steps are required to obtain pure isocyanate (triethoxy) silicon (9CI). The separation method can be selected by distillation, extraction, recrystallization, etc., depending on the physical and chemical properties of the product and impurities. Through this series of operations, the target product isocyanate (triethoxy) silicon (9CI) can be obtained.
What are the environmental effects of 1-isocyanate-2- (trifluoromethoxy) benzene (9CI)?
The effects of isocyanate complexes and (triethoxy) silicon (9CI) on the environment are complex and diverse.
Isocyanate complexes are quite active. If they escape in the atmosphere, they can react with many substances. In photochemical reactions, or participate in the generation of secondary pollutants, causing deterioration of air quality. And it also has potential harm to organisms. If organisms inhale, or irritate the respiratory tract, damage the lungs and other organs, long-term exposure, or cause more serious health problems.
(triethoxy) silicon (9CI), although relatively stable in nature, should not be ignored. If it enters the water environment, or due to reactions such as hydrolysis, it changes the chemical properties of water. If its concentration is too high, it may affect the survival and reproduction of aquatic organisms. In the soil environment, it may affect the activity of soil microorganisms, causing soil ecological imbalance, and then adversely affecting plant growth and development.
When the two coexist, the interaction or impact is more complicated. Or change each other's reaction paths and products, making the environmental impact unpredictable. Its migration and transformation between environmental media, or enrichment through the food chain, cause cumulative harm to advanced organisms. Therefore, close monitoring of the two is required to carefully assess their environmental risks to ensure the tranquility of the ecological environment.