3 Trifluoromethyl 5 Fluorobenzyl Chloride
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
3-(Trifluoromethyl)-5-fluorobenzyl chloride
Chemical Formula C8H5ClF4
Molecular Weight 226.57
Appearance Typically a colorless to light - colored liquid
Boiling Point Data may vary, around 180 - 190 °C (estimated)
Density Data may vary, but around 1.4 - 1.5 g/cm³ (estimated)
Solubility Soluble in common organic solvents like dichloromethane, chloroform, etc., poorly soluble in water
Vapor Pressure Relatively low at room temperature
Flash Point Data may vary, potentially in the range of 70 - 80 °C (estimated)
Stability Stable under normal storage conditions, but may react with strong oxidizing agents, bases
Chemical Formula C8H5ClF4
Molecular Weight 226.57
Appearance Colorless to light yellow liquid
Boiling Point Around 190 - 200 °C
Density Approx. 1.45 - 1.55 g/cm³
Solubility Soluble in organic solvents like dichloromethane, ethyl acetate
Vapor Pressure Low vapor pressure at room temperature
Flash Point Relatively high, may be around 70 - 80 °C
Stability Stable under normal conditions, but reactive towards strong bases and some nucleophiles
FAQ

What is the main use of 3- (trifluoromethyl) -5-fluorobenzyl chloride?

3 - (trimethyl) -5 -ethylvaleraldehyde is also an organic compound. Its main use is quite extensive.

In the field of organic synthesis, this compound is often an important intermediate. Due to its unique structure, it can be converted into other organic compounds by many chemical reactions. If it can be condensed with alcohols through the reaction of aldehyde groups, and then form acetals, this acetal is often used as a protective group in organic synthesis. It can effectively protect the aldehyde group from unnecessary reactions under specific reaction conditions. After the reaction is completed, the protective group can be removed through appropriate steps to restore the activity of the aldehyde group.

Furthermore, in the fragrance industry, 3- (trimethyl) -5-ethylvaleraldehyde also has its uses. Because of its unique odor, it can be formulated and used to make various fragrances. It can add layers of aroma, or endow fragrances with unique flavor, adding a lot of color to the formulation of fragrances, making fragrances more attractive and characteristic, and is widely used in perfumes, air fresheners, detergents and other products.

In addition, in the field of medicinal chemistry, this compound may also play a key role. Using it as a starting material, through a series of chemical modifications and reactions, or synthesizing compounds with biological activities, it provides potential lead compounds for the development of new drugs. Through the optimization and modification of its structure, it is expected to obtain drug molecules with specific pharmacological activities and can be used to treat diseases.

From this perspective, although 3- (trimethyl) -5 -ethylvaleraldehyde is an organic compound, it has important uses in many fields such as organic synthesis, fragrance industry, and medicinal chemistry, and is indeed an important presence in the chemical industry.

What are the physical properties of 3- (trifluoromethyl) -5-fluorobenzyl chloride?

3- (trialkyl methyl) -5 -alkoxy alkyl halides are a class of compounds in organic chemistry. These compounds have the following physical properties:

First, in terms of state, under normal temperature and pressure, small molecules are mostly gaseous or liquid, while those with large molecular weights are usually solid. This is because the force between small molecules is weak and easy to move freely, while the large molecules interact more strongly due to the large number of atoms, and tend to be stable in the solid state.

Second, the boiling point law is quite significant. With the increase in the number of carbon atoms in the molecule, the boiling point tends to rise. Because the number of carbon atoms increases, the van der Waals force between molecules increases. To make it boil, more energy is required to overcome this force. When containing the same number of carbon atoms, the increase in branching will cause the boiling point to decrease, because the branching hinders the close arrangement of molecules, reducing the contact area between molecules, thereby weakening the van der Waals force.

Third, the solubility characteristics are clear. Because its molecular structure contains hydrophobic groups such as alkyl groups, it is difficult to dissolve in water, but it has good solubility in organic solvents such as ether, chloroform, benzene, etc. This is based on the principle of similar miscibility. Organic solvents have similar structures to this compound, and the intermolecular forces are adapted, which is conducive to mutual dissolution.

Fourth, the density also has characteristics. Generally speaking, its density is greater than that of alkanes with the same number of carbon atoms, but less than that of water. Due to the introduction of halogen atoms and other atoms in the molecule, the mass per unit volume increases, so the density is higher than that of alkanes, but still less than that of water.

In summary, the physical properties of 3- (trialkyl methyl) -5 -alkoxy alkyl halides are of great significance in the fields of organic synthesis, separation and purification, and chemists need to study them in detail to make good use of them.

What are the chemical properties of 3- (trifluoromethyl) -5-fluorobenzyl chloride?

Tris (ethyl) -5 -pentoxycarbonyl amide, this physical property is also related to its chemical properties, let me talk about them one by one.

The physical characteristics of this substance are related to its appearance, degree of melting and boiling, solubility, etc. Looking at its appearance, it is often a colorless to slightly yellow liquid, or a crystalline solid, depending on its purity and preparation method. When it comes to melting point, it is about a specific range, but the existence of preparation and impurities can cause it to change. The boiling point is also fixed. Under normal pressure, it can reach a certain temperature. If the pressure changes, the boiling point will also change. As for the solubility, it can be soluble in many organic solvents, such as alcohols, ethers, hydrocarbons, etc., but it has poor solubility in water. For example, carbonyl can react with nucleophiles, such as alcohols and amines, to form esters and amides. Ethyl can be substituted under specific conditions, interacting with halogenated hydrocarbons, sulfonates and other reagents to modify the molecular structure.

In the field of organic synthesis, this substance is often used as an intermediate to build complex organic molecular structures through its reactivity. Because of its specific functional groups, other functional groups can be introduced through a series of reactions to meet the needs of pharmaceutical chemistry, materials science and other fields.

In summary, the chemical properties of tris (ethyl) -5-pentoxycarbonyl amides are determined by their molecular structure, and their stability and reactivity are used in different scenarios, providing an important basis for the research and application of organic chemistry.

What are the synthesis methods of 3- (trifluoromethyl) -5-fluorobenzyl chloride?

To prepare 3- (trichloromethyl) -5 -fluorobenzyl bromide, the following methods can be used:

First, 3- (trichloromethyl) -5 -fluorotoluene is used as the starting material and obtained by bromination. In this process, N-bromosuccinimide (NBS) can be selected as the bromination reagent. Under the presence of an initiator such as benzoyl peroxide (BPO) and the condition of heating or illumination, the hydrogen at the benzyl position in the 3- (trichloromethyl) -5 -fluorotoluene molecule is replaced by a bromine atom to obtain the target product. This reaction has the characteristics of good selectivity, which can well introduce bromine atoms at the benzyl position, and there are relatively few side reactions.

Second, starting from 3- (trichloromethyl) -5 -fluorobenzoic acid. First, 3- (trichloromethyl) -5 -fluorobenzoic acid is converted into 3- (trichloromethyl) -5 -fluorobenzyl alcohol by reduction method, and the commonly used reducing agent is lithium aluminum hydride (LiAlH). The obtained 3- (trichloromethyl) -5 -fluorobenzyl alcohol is then reacted with hydrobromic acid or bromine-containing halogenating reagents such as phosphorus tribromide (PBr), and the hydroxyl group is replaced by a bromine atom to achieve the preparation of 3- (trichloromethyl) -5 -fluorobenzyl bromide. However, this method is a little complicated and requires two steps of reduction and halogenation.

Third, if a suitable compound containing 3- (trichloromethyl) -5 -fluorobenzyl structure can be found, and there are suitable groups in the structure that can be replaced by bromine atoms, such as some active alkoxy groups, sulfonate groups, etc., can be attacked by nucleophilic substitution reaction, using bromine ions in brominating reagents as nucleophilic reagents, and replacing the original group to obtain the target product. This method requires starting materials with specific structures, and it may be difficult to obtain raw materials. However, if the raw materials are easily available, the reaction conditions may be relatively mild.

The above methods have advantages and disadvantages. In actual synthesis, the best synthesis path should be selected according to the availability of raw materials, reaction conditions, cost and yield.

What are the precautions for 3- (trifluoromethyl) -5-fluorobenzyl chloride during storage and transportation?

Tris (triethyl) -pentahydroxyanisole has several aspects to consider when storing and transporting.

First, this material likes dryness and hates moisture. Therefore, when storing, it is necessary to find a dry, cool and well-ventilated place, away from water sources and moisture, to prevent it from qualitative change due to moisture. If it is placed in a humid place, it may cause its chemical structure to mutate, which will damage its inherent characteristics and functions.

Second, heat avoidance is also important. High temperature can accelerate its chemical reaction, triggering the risk of decomposition and deterioration. The storage temperature should be controlled within a specific range. Generally speaking, it should be properly placed at room temperature, and must not be close to fire and heat sources, such as heaters and steam pipes.

Third, during transportation, the packaging must be firm and tight. To prevent vibration and collision from causing damage to the packaging, so that the three (triethyl) -five-hydroxyanisole is exposed. Select suitable packaging materials, such as containers with good protective properties, and mark clear warning labels on the outside of the package, so that the transporter can understand its characteristics and precautions.

Fourth, this product may have certain chemical activity and cannot be stored and transported with oxidizing, reducing substances and strong acids and alkalis. Otherwise, it is prone to violent chemical reactions and endangers safety. It must be classified for storage and transportation, and strictly abide by the compatibility taboos of chemical substances.

Fifth, whether it is storage or transportation, it should be managed by a special person. Management personnel need to be familiar with its characteristics, risks and emergency response methods. Regularly inspect the storage environment and packaging conditions. Once any abnormalities are found, appropriate measures should be taken immediately to ensure the quality and safety of triethyl (triethyl) -pentahydroxyanisole.