What are the main uses of triethylsilane?
The main user of triethyl boron potassium calcium is related to metallurgy, glass and ceramics.
In the metallurgical industry, its great power. Can be used as a flux, can reduce the melting point of ore, promote the separation of metal and gangue, improve the efficiency of metal smelting. In iron and steel smelting, adding this agent can change the fluidity of steel, make the molten iron flow more smoothly during casting, less defects in castings, and better quality. And can remove impurities in the liquid metal, purify the metal, and improve the purity of the metal. For example, when smelting aluminum, it can help remove oxidized inclusions in the liquid aluminum, resulting in purer aluminum and better performance.
In glass manufacturing, it is also important. Can be used as a glass flux and clarifier. As a flux, reduce the melting temperature and time of glass raw materials, and save energy. Such as making ordinary soda-lime glass, adding this agent can reduce the reaction temperature of soda ash and quartz sand, and improve production efficiency. As a clarifying agent, it can eliminate bubbles in the glass liquid and make the glass more transparent and uniform. If making optical glass, it can remove tiny bubbles, make the glass optical properties stable, and the image is clear.
In the ceramic industry, it is also widely used. Can be used as a ceramic flux, reduce the sintering temperature of the ceramic body, reduce the sintering time, reduce energy consumption, and improve the sintering performance of the ceramic body, increase the density and mechanical strength of the ceramics. It can also adjust the properties of ceramic glazes, and change the gloss, flatness and hardness of the glaze surface. Such as glazing, add this agent, glaze more smooth and bright, wear resistance and corrosion resistance, enhance the beauty and practicality of ceramics.
What are the physical properties of triethylsilane?
Triisopropylborane is also an organoboron compound. Its physical properties are particularly important and play an important role in many chemical processes.
First of all, triisopropylborane is a colorless and transparent liquid at room temperature and pressure. It looks clear and pure like jade dew. This is a sign of its appearance, which is easy to identify.
times and its boiling point, about 140-142 ℃. The value of the boiling point is crucial when separating and purifying this substance. According to this temperature, it can be distilled to escape from the mixture to obtain a pure body.
Furthermore, its density is about 0.753 g/mL. The amount of density is related to its ups and downs in various solvents, and also provides an important parameter in experimental operations such as solution preparation. When the solution is prepared, it needs to be accurately measured according to its density to achieve the required concentration.
The vapor pressure of triisopropylborane cannot be ignored. Appropriate vapor pressure makes it volatile into a gas phase under certain conditions, and it plays a role in gas phase reaction or gas phase transport processes.
In terms of solubility, it is soluble in common organic solvents such as ether, tetrahydrofuran, etc. This solubility greatly expands its application range. In the reaction system of organic synthesis, triisopropylborane can be uniformly dispersed by these organic solvents, so that the reaction can proceed smoothly and efficiently.
In addition, triisopropylborane has the characteristics of low flash point, about - 21 ℃. This is a warning. Its flammability is significant. When storing and using, it is necessary to keep away from fire and heat sources, and observe safety regulations to prevent the risk of fire.
In summary, the physical properties of triisopropylborane, from appearance, boiling point, density, vapor pressure, solubility to flash point, are interrelated and together determine its application and operation requirements in the field of organic chemistry.
What should be paid attention to when storing and transporting triethylsilane?
When storing and transporting triethanolamine cream, there are many key points to pay attention to.
When storing, the first temperature. This medicine should be stored in a cool place, and the temperature should not exceed 25 ° C. If the temperature is too high, it is easy to cause changes in the properties of the cream, or affect its efficacy. If it is extremely hot in summer, if placed in an environment with too high temperature, the cream may become soft and deteriorate. And should avoid freezing, because it is thawed after freezing at low temperature, or the structure of the cream is damaged, which affects the quality.
Humidity should not be ignored. It should be placed in a dry place, away from humid environment. Humidity can easily make the package damp, which in turn affects the cream itself, or the growth of microorganisms such as mold, which damages the quality of the drug.
Furthermore, pay attention to the light. It should be stored away from light and avoid direct sunlight. Some ingredients in the light may photochemically react with the cream ingredients, reducing the efficacy or causing adverse reactions.
As for transportation, the means of transportation should be kept clean and dry. If the transportation environment is dirty and humid, or contaminates the drug. Temperature control during transportation is also critical. It is necessary to maintain a suitable temperature to avoid large fluctuations in temperature. When loading and unloading, it should be handled with care to prevent damage to the packaging, leakage of the cream or package rupture, which affects the quality and safety of the drug. In this way, it can ensure that the triethanolamine cream maintains good quality and exerts its due efficacy during storage and transportation.
What are the preparation methods of triethylsilane?
The method of preparing triethanolamine cream can be as follows:
First, prepare the required materials. Triethanolamine is required, which is the main medicine and has many effects; stearic acid, white Vaseline, liquid paraffin, glycerin and other auxiliary materials are required. Stearic acid can help form the structure of the paste, white Vaseline can give shape and moisturize, liquid paraffin makes the paste soft, and glycerin also has the effect of moisturizing.
Secondly, prepare the oil phase. Take an appropriate amount of stearic acid, white Vaseline, and liquid paraffin, put it in a clean container, heat it slowly until it is completely melted, and the temperature is maintained at about 80 ° C. This process requires constant stirring to mix the ingredients evenly.
In addition, prepare the aqueous phase. Place triethanolamine, glycerin, and an appropriate amount of water in another container and heat it to about 80 ° C. Stir again to encourage it to dissolve fully.
Then, slowly pour the aqueous phase into the oil phase. This process must be slow and continuous stirring. When stirring, the action should be gentle and uniform, so that the two can be evenly mixed to form a delicate emulsion. As the stirring proceeds, the temperature gradually decreases and the paste is gradually formed.
When the temperature drops to about 40 ° C, an appropriate amount of preservatives, fragrances, etc. can be added as needed to further stir evenly. In this way, the triethanolamine cream is prepared. When preparing, it is necessary to pay attention to the control of temperature and the uniformity of stirring, so as to produce a cream of high quality.
What are the safety precautions during the use of triethylsilane?
During the use of triethanolamine cream, many safety matters must be paid attention to. The first and foremost is to carefully observe the skin condition. Before using the drug, it is necessary to carefully check the skin at the application site. If there is any rupture, erosion, exudation, etc., the drug should be disabled to prevent the drug from irritating the wound, causing pain to intensify, and there is a risk of causing the spread of infection.
Furthermore, the medication method must be accurate. Wash your hands to ensure that your hands are clean, then take an appropriate amount of cream, apply it gently and evenly to the affected area, and massage it moderately to help the skin fully absorb. Special attention should be paid. Do not apply the cream to the eyes, mouth, nose and other mucous membranes, because it has a certain irritation to the mucous membranes, or causes discomfort such as redness, swelling, and pain.
The frequency and dose of medication should not be ignored. Be sure to use it strictly according to the doctor's instructions, and do not increase or decrease the dose or change the number of medications without authorization. Excessive use may cause allergic reactions to the skin, such as itching, rash, etc.; and insufficient medication, it is difficult to achieve the expected therapeutic effect.
During the medication period, close attention should also be paid to whether the skin has abnormal reactions. If there is a burning sensation, itching, redness and swelling on the medication site, the medication should be stopped immediately and the local medication should be washed off. If the symptoms persist or become more serious, seek medical attention in time.
In addition, triethanolamine cream should be properly stored in a cool, dry place, and avoid high temperature and direct sunlight to prevent the drug from deteriorating and affecting the efficacy. At the same time, it should be placed out of the reach of children to prevent children from misusing it.