Chemical Formula | C4H8F2O2 |
Molar Mass | 128.10 g/mol |
Appearance | Colorless liquid |
Solubility In Water | Limited solubility (organic fluorinated ethers - alcohols have some hydrophobic character) |
Chemical Formula | C4H8F2O2 |
Molar Mass | 128.102 g/mol |
Appearance | Colorless liquid |
Boiling Point | 107 - 109 °C |
Density | 1.198 g/cm³ |
Flash Point | 21.7 °C |
Solubility In Water | Miscible |
Vapor Pressure | 1.95 kPa at 25 °C |
Refractive Index | 1.349 (20 °C) |
Pka | ~12 |
Odor | Faint, ethereal |
What is the main use of 1-ETHOXY-2,2-DIFLUOROETHANOL?
1-Ethoxy-2,2-difluoroethanol, this substance has a wide range of uses. In the field of medicine, it can be used as a key intermediate to help synthesize specific drugs. Due to its unique chemical structure, it can impart specific properties to drug molecules, improving drug efficacy and stability. For example, in the development of some antiviral drugs, it can accurately participate in the reaction and build key chemical structures, so that the drug can better act on viral targets and effectively inhibit virus replication.
It also has important uses in materials science. It can be used to prepare special performance materials, such as fluoropolymers. With its fluorine-containing properties, the resulting polymers have excellent chemical resistance and low surface energy. These materials are used in chemical equipment coatings, protective materials for electronic components, and other fields, which can prolong the service life of equipment and components and improve performance.
In the field of organic synthesis, 1-ethoxy-2,2-difluoroethanol is often used as a fluorination reagent or reaction intermediate. The reactions it participates in can introduce fluorine atoms and change the physical and chemical properties of compounds. In the synthesis of fine chemicals, through clever use of it, compounds with unique functions can be prepared, such as special fragrances, high-performance surfactants, etc., to meet the needs of different industries for special chemicals.
What are the physical properties of 1-ETHOXY-2,2-DIFLUOROETHANOL?
1-Ethoxy-2,2-difluoroethanol is a kind of organic compound. Its physical properties are quite different, and now it is the king.
First of all, under normal temperature and pressure, it is mostly in the form of a colorless and clear liquid. The appearance is transparent, like clear water, and there is no special color mixed in it. Its smell is slightly slightly fragrant, but it is not pungent and intolerable, and it is pleasant to smell.
When it comes to boiling point, it is about a certain temperature range. This temperature is the key node for it to change from liquid state to gas state. Under proper heating conditions, when this temperature is reached, the compound will boil and vaporize. The melting point determines its shape in a low temperature environment. When it is lower than the melting point, 1-ethoxy-2,2-difluoroethanol will solidify into a solid state.
Furthermore, its density is also an important physical property. Compared with water, whether it is light or heavy, the value of this density is related to its floating state in different media, and it is of great significance in many practical application scenarios.
In terms of solubility, 1-ethoxy-2,2-difluoroethanol can exhibit good solubility characteristics in some organic solvents. Or it is compatible with organic solvents such as alcohols and ethers, and is indistinguishable from each other. However, the solubility in water depends on the specific conditions, either slightly soluble or soluble, which is also closely related to its molecular structure, polarity and other factors.
In addition, the volatility of the compound cannot be ignored. Under appropriate environmental conditions, it can gradually evaporate, changing from liquid to gaseous and escaping into the air. This property needs to be carefully considered during storage and use to prevent excessive volatilization and loss or other related problems.
Is 1-ETHOXY-2,2-DIFLUOROETHANOL chemically stable?
The chemical properties of 1-ethoxy-2,2-difluoroethanol are relatively stable. The reason for this is that the carbon-fluorine bond is very strong. Fluorine is extremely electronegative, and the C-F bond with carbon is quite large. To break it requires a lot of energy. In the molecular structure of 1-ethoxy-2,2-difluoroethanol, two fluorine atoms are connected to the same carbon atom, which strengthens the bias of the electron cloud in this area and makes the partial structure more stable. The presence of ethoxy groups also contributes to molecular stability. In the ethoxy group, the oxygen atom has no shared electron pair, which can form an electron conjugation effect with neighboring atoms, disperse the charge in the molecule, and reduce the overall energy of the molecule and improve the stability.
Furthermore, 1-ethoxy-2,2-difluoroethanol is not easy to spontaneously react with common components in the air, such as oxygen and nitrogen, under common environmental conditions. Under normal temperature and pressure conditions, if there is no specific catalyst or reaction conditions to induce, its chemical properties remain relatively stable, and molecular structure changes or participate in chemical reactions rarely occur. However, it should be noted that although it is usually relatively stable, in case of extreme chemical reagents such as specific strong oxidants, strong acids or strong bases, under suitable conditions, it may still trigger chemical reactions and cause molecular structure changes.
What is the production method of 1-ETHOXY-2,2-DIFLUOROETHANOL?
The preparation method of 1-ethoxy-2,2-difluoroethanol is an important matter in chemical synthesis. Its preparation path follows the number method.
First, it can be obtained by reacting halogenated ethanol derivatives with alcohol salts. Halogenated ethanol derivatives, such as 2-halogenated-2,2-difluoroethanol, are combined with ethanol salts (such as sodium ethanol) in a suitable solvent. At the right temperature and reaction time, the halogen ion leaves, and the ethoxy group replaces the halogen atom to obtain 1-ethoxy-2,2-difluoroethanol. This reaction requires attention to the choice of solvent. Polar aprotic solvents such as N, N-dimethylformamide (DMF) or dimethyl sulfoxide (DMSO) are commonly selected to facilitate the reaction. And the temperature needs to be precisely controlled. If it is too high or causes side reactions, if it is too low, the reaction rate will be slow.
Second, 2,2-difluoroethylene oxide and ethanol are used as raw materials. 2,2-difluoroethylene oxide undergoes ring-opening reaction with ethanol under the action of acidic or basic catalysts. If an acidic catalyst is used, such as sulfuric acid or p-toluenesulfonic acid, the reaction conditions are relatively mild, but attention should be paid to the selectivity of the product and the separation of the catalyst. If alkaline catalysts, such as sodium hydroxide or potassium hydroxide, are used, the reactivity is higher, but the alkali resistance of the reaction equipment is required. In this reaction, the ring-opening check point of 2,2-difluoroethylene oxide and the nucleophilic attack direction of ethanol determine the product structure, and the yield of the target product can be improved by optimizing the reaction conditions.
Or start from fluoroolefins and prepare them through a series of reactions. First, the fluoroolefins are added to ethanol and halogenating agents to obtain halogenated ethoxy fluoroethane intermediates, and then the halogen atoms are removed by reducing and dehalogenating to obtain 1-ethoxy-2,2-difluoroethanol. This path involves a multi-step reaction, and the optimization of the conditions of each step is critical, including the dosage ratio of the reaction reagents, the reaction temperature, the reaction time, and the separation and purification of the product between each step to ensure the purity and yield of the final product.
All these preparation methods have their own advantages and disadvantages. In actual production, it is necessary to comprehensively consider the cost of raw materials, the controllability of reaction conditions, the purity and yield of the product, and choose the most suitable method.
1-ETHOXY-2,2-DIFLUOROETHANOL What are the precautions in storage and transportation?
1-Ethoxy-2,2-difluoroethanol is a special chemical substance that requires careful attention during storage and transportation.
Its chemical properties are active and easy to react with other substances. When storing, choose the first heavy container. It must be made of corrosion-resistant materials, glass or specific plastic containers are appropriate to prevent the container from being eroded and leaking. And it must be placed in a cool, dry and well-ventilated place, away from fire and heat sources. The cover is easy to decompose due to heat, which can cause danger.
Furthermore, this substance is sensitive to moisture and easily absorbs moisture, so the humidity of the storage environment must be strictly controlled, and the desiccant can be used to maintain the dry environment. At the same time, it needs to be stored separately from oxidizing agents, reducing agents, etc. to avoid improper reactions.
During transportation, the packaging must be solid and reliable to ensure that it is not damaged by vibration and collision during transportation. Transportation vehicles should also be equipped with corresponding emergency treatment equipment and protective equipment. Escorts must be familiar with the characteristics of the substance and emergency treatment methods. Transportation route planning should not be ignored, and it is necessary to avoid densely populated areas and environmentally sensitive areas.
In short, the storage and transportation of 1-ethoxy-2,2-difluoroethanol is related to safety and the environment, and every detail should be treated with care and not sloppy at all.