Chemical Formula | C7H6F2O |
Molecular Weight | 144.12 |
Appearance | Colorless to light yellow liquid |
Boiling Point | 187 - 189 °C |
Melting Point | N/A |
Density | 1.257 g/cm³ |
Flash Point | 77 °C |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
Vapor Pressure | Low vapor pressure |
Chemical Formula | C7H6F2O |
Molecular Weight | 144.12 |
Appearance | Colorless to light yellow liquid |
Boiling Point | Approx. 195 - 197 °C |
Density | Approx. 1.25 - 1.3 g/cm³ |
Solubility In Water | Poorly soluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
Flash Point | Approx. 78 - 80 °C |
Refractive Index | Typically around 1.49 - 1.50 |
What are the main uses of 3,4-difluorobenzyl alcohol?
3,4-Diethoxyacetophenone is a crucial raw material in organic synthesis and is widely used in many fields such as medicine, flavors, and pesticides.
In the field of medicine, it can be used as a key intermediate for the synthesis of many drugs. For example, some compounds with specific pharmacological activities need to be used as the starting material during the synthesis process, and through a series of chemical reactions, complex drug molecular structures with therapeutic effects can be constructed. The special chemical structure of 3,4-diethoxyacetophenone can impart specific physical and chemical properties to drug molecules, such as suitable solubility, stability, and affinity with biological targets, thus helping to improve the efficacy and safety of drugs.
In the field of fragrances, 3,4-diethoxyacetophenone can be added to various flavor formulations as a fragrance ingredient due to its unique aroma characteristics. Its aroma may have the characteristics of elegance and fragrance, which can add a unique fragrance to perfumes, cosmetics, detergents and other products, endow products with a unique olfactory experience, and meet consumers' diverse needs for aroma.
In the field of pesticides, this compound also has important uses. It can be used as an important intermediate in the synthesis of new pesticides. With the help of its chemical structure, derivatization reactions can be carried out to prepare pesticide products with efficient control effects on specific pests or diseases. Such pesticides based on the synthesis of 3,4-diethoxyacetophenone may have the advantages of high selectivity and environmental friendliness, which can ensure agricultural production while reducing the negative impact on the environment.
In short, 3,4-diethoxyacetophenone, with its unique chemical structure and properties, plays an indispensable role in the fields of medicine, flavors, pesticides, etc., and is of great significance to promote the development of related industries.
What are the physical properties of 3,4-difluorobenzyl alcohol?
3% 2C4-diethylaminobenzaldehyde, its physical properties are as follows:
This substance is a light yellow crystalline powder at room temperature, and it has a special appearance. Its melting point is moderate, about 74-77 ° C. Due to the characteristics of molecular structure, it is slightly soluble in water, but it has good solubility in organic solvents such as ethanol, ether, and chloroform. This characteristic makes it unique in many organic synthesis reactions and extraction operations.
It has a special smell. Although this smell is not strong and pungent, it is also unique. In the environment of light and air, the properties are slightly less stable, and it is easy to oxidize slowly, resulting in a gradual change in color, from the initial light yellow to dark yellow and even brown.
Furthermore, its density is also one of the important physical properties. Although the specific value needs to be accurately determined under specific conditions, the approximate range is equivalent to the density of common organic compounds. In addition, its sublimation characteristics cannot be ignored. Under appropriate temperature and pressure conditions, it can directly transform from solid to gaseous state. This property may play a key role in some separation and purification processes.
From the above, the physical properties of 3% 2C4 -diethylaminobenzaldehyde are diverse, and each property is interrelated, which affects its application in chemical, pharmaceutical and other fields.
What are the chemical properties of 3,4-difluorobenzyl alcohol?
3% 2C4-diethylhexanamide, this material has unique properties. Its color is pure and transparent, like the clarity of water, showing a flowing state, like a smart firefly. Smell it, the breath is elegant, without pungent smell, like a spring breeze blowing lightly, carrying a hint of fragrance that is not there.
Its nature is mild, and in a normal temperature environment, it can be at ease, not impatient or fierce. However, when it is heated, it will change. If it is burned with fire, it will be like a sleeping beast waking up, the molecules are active, gradually become invisible, and soar into the air. And in various solvents, it seems to be good at making friends, and it can happily blend with alcohols and ethers, regardless of each other, as if water and milk blend.
When it comes to reactions, he is like a humble gentleman who does not easily quarrel with other things. When encountering strong acids and alkalis, if he encounters a strong enemy, he will also respond. Dancing with strong acids, chemical bonds crack and new substances are formed; when encountering strong alkalis, it is like a weak flower that has been weathered by wind and rain, and the structure changes and rejuvenates.
In the field of industry, it has a wide range of uses. It can be used as an auxiliary agent to add color to various materials and make their performance better. In the way of organic synthesis, it is also a key soldier, helping many reactions move forward smoothly, like a beacon guiding the direction, leading the way of synthesis.
Viewing its physical properties is like exploring a mysterious realm, where secrets are hidden everywhere. Only when everyone uses their discernment and ingenuity can they do their best to add many wonders to the world.
What are the synthesis methods of 3,4-difluorobenzyl alcohol?
The synthesis method of 3,4-diethoxy acetophenone depends on chemical technology. The method is different, let me describe it for you.
First, acetophenone is used as the base, through halogenation reaction, the benzene ring is halogenated at a specific position, and then co-placed with ethanol and base. After nucleophilic substitution, the halogen atom is replaced by ethoxy group, so 3,4-diethoxy acetophenone is obtained. In this process, the halogenation step requires precise temperature control and the selection of an appropriate halogen to ensure that the halogenation check point is correct. When nucleophilic substitution, the strength of the base and the amount of ethanol are all related to the reaction effect.
Second, start with resorcinol, first react with acetic anhydride through acylation to obtain resorcinol monoacetate, and then react with haloethane and base under specific conditions, introduce ethoxy group, through hydrolysis, rearrangement and other steps, and finally obtain the target product. When acylating, the choice of catalyst and the control of reaction temperature are crucial; when introducing ethoxy group, whether the reaction environment is anhydrous or not, and the type of base all affect the purity and yield of the product.
Third, phenolic compounds are used as starting materials, methoxylated, and then demethylated and re-ethoxylated. Methoxylation requires the use of appropriate methylation reagents, demethylation steps need to find a gentle and efficient method, and re-ethoxylation conditions also need to be finely regulated to enable the product to be formed smoothly.
All synthetic methods have their own advantages and disadvantages. When implemented, careful choices should be made according to the availability of raw materials, cost considerations, and difficulty of reaction conditions, etc., in order to make the synthesis smooth and efficient, and obtain pure 3,4-diethoxyacetophenone.
What are the precautions for the storage and transportation of 3,4-difluorobenzyl alcohol?
3% 2C4-diethylpyridine is a very important chemical substance. When storing and transporting, many things need to be paid attention to to ensure safety.
First word storage. This substance should be stored in a cool and ventilated warehouse. Because of the cool environment, it can reduce the risk of reaction due to excessive temperature, and good ventilation can disperse the gas that may leak in time to avoid accumulation. The temperature of the warehouse should be strictly controlled, not too high, to prevent its volatilization from intensifying or causing other chemical changes. Furthermore, it is necessary to keep away from fire and heat sources, both of which may trigger combustion or explosion. Because of its flammability, in case of open fire and high heat can cause combustion and explosion, the fire source must be kept away. At the same time, it should be stored separately from oxidizing agents, acids, alkalis, etc., and must not be mixed. Because this substance may react violently with the above-mentioned various substances, it may cause danger. The storage area should also be equipped with suitable materials to contain the leaks, so that in the event of leakage, it can be properly handled in time and reduce the harm.
Times and transportation. Before transportation, it is necessary to ensure that the packaging is complete and the loading is secure. If the packaging is damaged, it is very easy to cause it to leak, pollute the environment and endanger the safety of transportation personnel. During transportation, it is necessary to ensure that the container does not leak, collapse, fall or damage. When driving, it should be kept away from fire, heat sources, and during transportation, it should not be exposed to the sun, because it is more sensitive to temperature changes, and high temperature will increase its danger. The trough (tank) car used during transportation should have a grounding chain, and holes can be set in the trough to baffle to reduce the static electricity generated by shock. This static electricity may also cause its combustion and explosion. In addition, it is strictly forbidden to mix with oxidants, acids, alkalis, etc., to prevent interaction during transportation and cause accidents. During transportation, it is also necessary to pay close attention to weather changes. Severe weather such as heavy rain, high temperature, etc., may pose a threat to its transportation safety, and transportation should be suspended if necessary.
In short, the storage and transportation of 3% 2C4-diethylene pyridine, every link is related to safety, and it is necessary to strictly follow the relevant specifications and requirements, and must not be slack.