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What are the main uses of Benzyl Alcohol?
Benzyl alcohol, or benzyl alcohol, has many main uses.
In the field of medicine, benzyl alcohol can be used as a local analgesic and solvent. The ancient medical way is also the choice of drug solvents to help the penetration of drugs. Benzyl alcohol can dissolve many drug ingredients, making it easier for the human body to absorb. And it has the effect of local anesthesia, can reduce the pain during injection, and is quite beneficial for the diagnosis and treatment of patients.
In the fragrance industry, benzyl alcohol plays a key role. It has a light aroma and can be used to prepare various flavors. Ancient fragrance, pay attention to the purity and coordination of aroma, benzyl alcohol can increase the layering and stability of fragrance, add a unique charm to fragrance, used in perfumes, air fresheners, etc., can create a pleasant atmosphere.
In industry, benzyl alcohol is widely used. It can be used as a solvent for coatings and inks to make coatings easier to apply, cover evenly, and dry with a smooth surface. It is also used in the synthesis of esters, such as benzyl acetate, which is an important organic solvent and fragrance raw material. In the plastics industry, it can be used as a plasticizer to improve the flexibility and processing properties of plastics. The ancient craftsmen selected suitable materials for the toughness of utensils.
In daily chemical products, benzyl alcohol is often found in skin care products and shampoos. It can help other ingredients dissolve, and has certain bacteriostatic properties. It can ensure the quality of the product and extend its shelf life, just like the ancient people's protection for a long time.
What are the Physical Properties of Benzyl Alcohol?
Benzyl alcohol, also known as benzyl alcohol, is an organic compound. It has the following physical properties:
From the perspective of benzyl alcohol, it is a colorless and transparent liquid, clear and free of impurities. It can be seen in light with a clear luster and is as pure as water. It has a faint and aromatic smell, just like the elegant fragrance of spring flowers, not pungent but eye-catching.
When it comes to the melting point, the melting point is -15.3 ° C, and the boiling point is 205.7 ° C. This boiling point is quite high, which means that under normal conditions, a higher temperature is required to make it boil into a gaseous state. When the temperature drops below -15.3 ° C, it will solidify and change from a flowing liquid state to a solid state.
Its density is 1.045g/cm ³, which is slightly heavier than water. If benzyl alcohol and water are placed in one place, benzyl alcohol will sink underwater, and the two are distinct. And benzyl alcohol is slightly soluble in water, and the degree of solubility in water is limited, but it can be miscible with organic solvents such as ethanol and ether in any ratio. Like a close friend, it can be evenly mixed with ethanol and ether, regardless of each other.
In addition, the refractive index of benzyl alcohol is 1.5396. When light passes through benzyl alcohol, the direction of light propagation will be deflected to a certain extent. This property is also one of its important physical markers, which helps to accurately identify and distinguish it in experimental and industrial applications.
Benzyl Alcohol During Storage
Benzyl alcohol, when storing, there are many things to pay attention to. The first to bear the brunt is the storage environment. Benzyl alcohol likes a cool and ventilated place. If it is placed in a high temperature and direct sunlight, it may cause its volatilization to intensify, and under high temperature, there may be a risk of fire. The temperature of the warehouse should be controlled within a suitable range, and it must not be too high.
Furthermore, the matter of fire prevention and explosion prevention should not be underestimated. Benzyl alcohol is flammable, and there must be no sources of open flames or hot topics around it, such as hot operations. It must be treated with caution. It is necessary to strictly follow relevant safety regulations and take measures to prevent fire and explosion, such as equipping suitable fire extinguishers for emergencies.
At the same time, the choice of storage container is also crucial. It is advisable to use a closed and corrosion-resistant container to prevent the leakage of benzyl alcohol. If the material of the container is not good, or benzyl alcohol will chemically react with it, which will affect its quality. And once leakage occurs, it will not only waste materials, but also cause pollution to the environment and even endanger the safety of personnel.
In addition, isolation from other substances is also critical. Benzyl alcohol should not be mixed with strong oxidizing agents, acids and other substances, because it may react violently with it and cause danger. It must be stored separately from incompatible substances and marked to clearly distinguish and avoid misoperation.
In daily management, the stored benzyl alcohol should also be checked regularly. Check whether the container is damaged or leaking, and observe whether its quality has changed. If any abnormalities are found, timely measures should be taken to repair the container or dispose of the deteriorated materials, so as not to delay, so as to avoid major disasters. In this way, the safety and quality of benzyl alcohol during storage can be guaranteed.
Potential Effects of Benzyl Alcohol on Human Health
Benzyl alcohol, also known as benzyl alcohol, the potential impact of this substance on human health cannot be ignored.
Although benzyl alcohol has been used in many fields, if accidentally contacted or ingested, it may have adverse effects. It is irritating to the skin and eyes. If the skin touches it, it may cause redness, swelling and itching; if it enters the eyes, it can cause pain, tears, etc.
And benzyl alcohol is inhaled through the respiratory tract or ingested through the mouth, which is also harmful to the body. When inhaled, it may irritate the respiratory tract, causing cough, asthma, etc.; after ingestion, it may affect the digestive system, causing nausea, vomiting, and abdominal pain. In particular, benzyl alcohol may have potential damage to organs such as the liver and kidneys. These two types of organs are responsible for the detoxification and excretion of the human body, and the influence of benzyl alcohol may impair its function.
Furthermore, for some people with allergies, benzyl alcohol may cause allergic reactions, mild rashes, itching, severe or life-threatening.
Therefore, when exposed to benzyl alcohol on a daily basis, be careful to protect it from direct contact with the skin and eyes, and do not inhale or ingest it. In case of inadvertent contact, rinse with water as soon as possible, and seek medical treatment in a timely manner according to the specific situation, so as to protect the health of the body and avoid the harm of benzyl alcohol.
What are Benzyl Alcohol Production Methods
Benzyl alcohol, also known as benzyl alcohol, has many preparation methods and each has its own advantages. The following is the detailed description of Jun.
First, the chlorination and hydrolysis method of toluene as raw material. Toluene and chlorine are reacted under light conditions to generate benzyl chloride. This reaction needs to pay attention to the light intensity and chlorine gas entry rate to prevent the formation of polychlorinated compounds. Then, benzyl chloride is co-heated with sodium hydroxide solution and hydrolyzed to obtain benzyl alcohol. In this process, temperature, alkali concentration and reaction time have a great influence on the purity and yield of the product. The raw materials of this method are easy to obtain, the process is relatively simple, but the reaction conditions are relatively harsh, and a large number of by-products are generated. The subsequent separation and purification work is complicated.
Second, it is the reduction method of benzaldehyde. Benzyl alcohol can be obtained by reducing benzaldehyde with hydrogen in the presence of a catalyst. Commonly used catalysts include palladium carbon, raney nickel, etc. The reaction conditions are mild, the product selectivity is high, and it is environmentally friendly. However, the cost of the catalyst is high, and the use of hydrogen poses certain safety risks. It is necessary to properly control the reaction conditions and equipment safety.
Third, it is a synthesis method using benzene and formaldehyde as raw materials. Under specific catalyst and reaction conditions, benzene and formaldehyde undergo a condensation reaction to generate benzyl alcohol. This method has a high atomic utilization rate and is in line with the concept of green chemistry. However, the catalyst required for the reaction is relatively special, and the reaction conditions are relatively strict, which requires high equipment. It has not yet been widely industrialized.
In addition, there are reduction methods using benzoic acid and its esters as raw materials, as well as some biosynthetic methods. Different preparation methods have their own advantages and disadvantages. In actual production, it is necessary to comprehensively consider the cost of raw materials, reaction conditions, product purity, environmental protection requirements and many other factors to select the most suitable method.