Chemical Formula | C8H5ClFN |
Molecular Weight | 171.58 |
Appearance | Typically a colorless to light - yellow liquid |
Boiling Point | Approximately 235 - 240 °C |
Density | Around 1.28 - 1.32 g/cm³ |
Solubility In Water | Low solubility in water |
Solubility In Organic Solvents | Soluble in common organic solvents like dichloromethane, chloroform |
Purity | Typically sold with high purity, e.g., 95%+ in commercial settings |
Odor | May have a pungent or characteristic organic odor |
Chemical Formula | C8H5ClFN |
Molar Mass | 171.583 g/mol |
Appearance | Typically a colorless to light - colored liquid |
Boiling Point | Data may vary, around [specific value if known] °C |
Melting Point | Data may vary, around [specific value if known] °C |
Density | Data may vary, around [specific value if known] g/cm³ |
Solubility In Water | Low solubility in water |
Solubility In Organic Solvents | Soluble in many organic solvents like ethanol, acetone |
Vapor Pressure | Data may vary, around [specific value if known] Pa at [specific temperature if known] |
Flash Point | Data may vary, around [specific value if known] °C |
What are the main uses of 3-Chloro-5-Fluorobenzyl Cyanide?
3-Chloro-5-fluorobenzyl cyanide has a wide range of uses. In the field of pharmaceutical synthesis, it is often used as a key intermediate. In the development and preparation of many new drugs, it is necessary to build a specific chemical structure. Because of its chlorine, fluorine and cyanyl functional groups, it can participate in various chemical reactions, and then help to synthesize compounds with unique pharmacological activities, such as antibacterial and antiviral drugs.
In the field of pesticide creation, 3-chloro-5-fluorobenzyl cyanide also plays an important role. It can be converted into highly efficient pesticide components through a series of reactions. With its special chemical structure, it exhibits a strong targeted poisoning effect on pests, and has a relatively small impact on the environment, which is conducive to the realization of green and environmentally friendly agricultural production.
In the field of materials science, it can also be used to prepare special materials. By polymerizing or reacting with other compounds, the material is endowed with special properties such as chemical corrosion resistance and heat resistance. It may have potential applications in fields such as electronics, aerospace, etc.
This compound is an extremely important basic raw material in the field of organic synthesis. It can derive many high-value-added products and promote the development of medicine, pesticides, materials and other fields.
3-Chloro-5-Fluorobenzyl the physical properties of Cyanide
3-Chloro-5-fluorobenzyl cyanide is an important compound in the field of organic synthesis. Its physical properties are unique, so let me tell you in detail.
The appearance of this compound is usually colorless to light yellow liquid. Under normal temperature and pressure, it has a specific odor. However, its odor is not strong and pungent, but a special organic smell. Looking at its color, it is colorless to light yellow, making its appearance appear relatively pure.
Its boiling point and melting point are also key physical properties. The boiling point will vary depending on the environmental pressure, and it is roughly within a certain temperature range. This temperature range causes the compound to change from liquid to gas under specific conditions. The melting point determines the temperature at which it changes from solid to liquid, which is of great significance to the control of its storage and use conditions.
Furthermore, solubility is also an important property. 3-Chloro-5-fluorobenzyl cyanide exhibits good solubility in organic solvents, such as common ethanol, ether, dichloromethane and other organic solvents, which can be miscible with it. This solubility characteristic provides many conveniences in organic synthesis reactions, facilitating the progress of reactions and the separation of products.
In addition, density is also a physical property that cannot be ignored. Its density determines the distribution of the compound when mixed with other substances. In actual operation, it is of great significance for accurate measurement and construction of reaction systems.
In summary, the physical properties of 3-chloro-5-fluorobenzyl cyanide, from its appearance, melting point, solubility to density, play a crucial role in its application in organic synthesis and related fields. Organic synthesizers need to understand in detail in order to make good use of it.
3-Chloro-5-Fluorobenzyl the chemical properties of Cyanide
3-Chloro-5-fluorobenzyl cyanide is a crucial compound in the field of organic synthesis. Its unique chemical properties, including chlorine atoms, fluorine atoms and benzyl cyanide structures, endow it with diverse and complex properties.
In this compound, both chlorine and fluorine atoms have significant electronegativity. Fluorine atoms can strongly attract electrons due to their extremely high electronegativity, causing changes in the distribution of molecular electron clouds, affecting their reactivity and physical properties. For example, it enhances the polarity of molecules, which affects their solubility, boiling point and other physical properties. In many reactions, the presence of fluorine atoms can significantly change the selectivity and activity of reactions.
Chlorine atoms cannot be ignored either. Although their electronegativity is inferior to that of fluorine atoms, they play an important role in chemical reactions. Chlorine atoms can participate in nucleophilic substitution reactions as leaving groups, providing the possibility for the introduction of other functional groups. At the same time, it also affects the distribution of molecular electron clouds, which cooperate with fluorine atoms to determine molecular reactivity and selectivity. The structure of
benzyl cyanide also gives the compound unique chemical properties. Cyanyl (-CN) is a strong electron-absorbing group, which can shift the molecular electron cloud to it and enhance molecular polarity. Cyanyl groups can undergo various chemical reactions, such as hydrolysis to form carboxylic acids, reduction to form amines, etc., providing many paths for compound derivatization. The benzyl part adds a certain hydrophobicity to the molecule, which affects its solubility and reactivity in different solvents.
3-chloro-5-fluorobenzyl cyanide exhibits unique chemical properties due to the interaction of the above atoms and structures. It has shown broad application prospects in the fields of drug synthesis and materials science, and occupies an important position in the stage of organic synthetic chemistry.
3-Chloro-5-Fluorobenzyl are the synthesis methods of Cyanide
The methods for preparing 3-chloro-5-fluorobenzyl cyanide have been used throughout the ages, and various methods have their own wonders. One common one is to use 3-chloro-5-fluorobenzyl halide and cyanide salts in suitable solvents and use the power of catalysts to perform nucleophilic substitution reactions. The selected solvents, such as N, N-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), can create a good medium for the reaction. Catalysts such as potassium iodide and copper sulfate can speed up the reaction process, making the departure of halogen ions more smooth, and the cyanyl group can preferentially attack benzyl carbon to form the target product.
Second, it can start from 3-chloro-5-fluorobenzoic acid. First, it is converted into the corresponding acid chloride. Commonly used chlorination reagents such as dichlorosulfoxide have high activity of acid chloride. Then it interacts with cuprous cyanide or other cyanide reagents, and through substitution reaction, the carboxyl group is converted to a cyano group, and finally 3-chloro-5-fluorobenzyl cyanide is obtained. This path needs to pay attention to whether the reaction conditions are mild or not to prevent the growth of impurities due to overreaction.
There are also those who use 3-chloro-5-fluorobenzaldehyde as raw materials. Shilling its condensation reaction with hydroxyacetonitrile under the catalysis of alkali to form an intermediate containing cyanide and hydroxyl groups. Subsequent dehydrating agent to remove hydroxyl groups to achieve the purpose of generating 3-chloro-5-fluorobenzyl cyanide. In this process, the strength of the base and the efficacy of the dehydrating agent are all related to the reaction effect.
All these synthesis methods have their own advantages and disadvantages. Or the raw materials are easy to buy but the reaction conditions are harsh, or the steps are complicated but the yield is acceptable. The choice needs to be weighed according to the actual situation, such as raw material cost, equipment conditions, product purity requirements, etc., in order to achieve the ideal synthesis environment.
3-Chloro-5-Fluorobenzyl Cyanide during storage and transportation
3-Chloro-5-fluorobenzyl cyanide is a commonly used raw material in organic synthesis. During storage and transportation, many key matters must be paid attention to to to ensure its quality and safety.
The choice of the first storage environment. It should be placed in a cool, dry and well-ventilated place. High temperature and humidity can easily cause the compound to deteriorate, or even cause dangerous chemical reactions. Therefore, the warehouse temperature should be maintained within a suitable range, and the humidity must be strictly controlled. If stored in a high temperature environment, its chemical stability is easily damaged, which may cause decomposition reactions; while the humid environment or adverse phenomena such as hydrolysis affect the quality of the product.
Furthermore, this compound has certain toxicity and irritation, and must be strictly isolated from food, medicine and other incompatible substances when stored. And keep away from fire and heat sources, because of its flammability, it may encounter open flames, hot topics or the risk of combustion and explosion. In the storage area, smoking and hot work should be strictly prohibited, and complete fire protection facilities and equipment should be equipped, just in case.
During transportation, the packaging must be solid and firm. Use packaging materials that meet safety standards to prevent package damage during handling and loading and unloading, resulting in compound leakage. Handle with care to avoid collisions and drops to prevent package damage.
The choice of transportation means is also crucial. It is necessary to choose transportation equipment with good ventilation conditions and effective temperature and humidity control. For long-distance transportation, it is necessary to pay close attention to changes in the transportation environment and take appropriate measures in a timely manner. In addition, transportation personnel should be professionally trained to be familiar with the characteristics of this compound and emergency treatment methods. In the event of an accident such as leakage, it can be disposed of quickly and properly to minimize the harm.
When storing and transporting 3-chloro-5-fluorobenzyl cyanide, it is necessary to pay great attention to environmental conditions, packaging, isolation and personnel, and follow relevant safety regulations and operating procedures to ensure the safety of the entire process.