Linshang Chemical
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P-Chlorobenzenecarboxaldehyde
Linshang Chemical
|
HS Code |
872519 |
| Chemical Formula | C7H5ClO |
| Molar Mass | 140.57 g/mol |
| Appearance | Colorless to pale yellow solid |
| Odor | Pungent odor |
| Melting Point | 47 - 50 °C |
| Boiling Point | 234 - 235 °C |
| Density | 1.274 g/cm³ |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
| Flash Point | 101 °C |
| Stability | Stable under normal conditions, but sensitive to air and light |
As an accredited P-Chlorobenzenecarboxaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100 - gram bottle packaging for P - chlorobenzenecarboxaldehyde chemical. |
| Storage | P - chlorobenzenecarboxaldehyde should be stored in a cool, dry, well - ventilated area, away from heat and ignition sources. Keep it in a tightly closed container to prevent moisture and air exposure, which could lead to decomposition. Store it separately from oxidizing agents and reducing agents to avoid potential reactions. |
| Shipping | P - chlorobenzenecarboxaldehyde is shipped in well - sealed containers, often in drums or specialized chemical - resistant packages. Shipment follows strict regulations to prevent leakage, ensuring safe transport due to its chemical nature. |
Competitive P-Chlorobenzenecarboxaldehyde prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365006308 or mail to info@alchemist-chem.com.
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As a leading P-Chlorobenzenecarboxaldehyde supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What is the chemistry of P-chlorobenzenecarboxaldehyde?
P-chlorobenzenecarboxaldehyde, that is, p-chlorobenzaldehyde, is an organic compound with a wide range of uses in the chemical industry. It has unique chemical properties, let me tell you one by one.
The molecule of p-chlorobenzaldehyde contains chlorine atoms and aldehyde groups. The aldehyde group is an important functional group, which makes the substance have typical chemical properties of aldehyde.
First, it is reductive. The aldehyde group can be oxidized by weak oxidants. If it reacts with Torun reagent (silver ammonia solution), the aldehyde group is oxidized to carboxyl group, and the silver ion in Torun reagent is reduced to metal silver, forming a bright silver mirror on the inner wall of the test tube. This reaction is called silver mirror reaction. The aldehyde group is also oxidized by the reaction with Feilin's reagent. The copper ions in Feilin's reagent are reduced from divalent to monovalent to form a brick-red cuprous oxide precipitate.
Second, an addition reaction can occur. The carbon-oxygen double bond in the aldehyde group can be added with a variety of nucleophilic reagents. For example, under the catalysis of acid with alcohols, it forms hemiacetal, which in turn generates acetal. Addition with hydrocyanic acid produces α-hydroxynitrile, which can grow the carbon chain.
Third, because the chlorine atom has an electron-absorbing effect, it affects the density distribution of the electron cloud of the benzene ring, which reduces the density of the electron cloud of the benzene ring o and para-site, which in turn affects the activity of the electrophilic substitution reaction of the benzene ring, making the electrophil
Fourth, p-chlorobenzaldehyde can undergo disproportionation reaction. Under the action of concentrated alkali, one molecule of aldehyde is oxidized to carboxylate, and another molecule of aldehyde is reduced to alcohol, which is a Cannicharo reaction.
Due to the characteristics of aldehyde group and chlorine atom, p-chlorobenzaldehyde is used as a key intermediate in the field of organic synthesis, participating in the synthesis of many organic compounds, and has important application value in the industries of drugs, fragrances, dyes, etc.
The molecule of p-chlorobenzaldehyde contains chlorine atoms and aldehyde groups. The aldehyde group is an important functional group, which makes the substance have typical chemical properties of aldehyde.
First, it is reductive. The aldehyde group can be oxidized by weak oxidants. If it reacts with Torun reagent (silver ammonia solution), the aldehyde group is oxidized to carboxyl group, and the silver ion in Torun reagent is reduced to metal silver, forming a bright silver mirror on the inner wall of the test tube. This reaction is called silver mirror reaction. The aldehyde group is also oxidized by the reaction with Feilin's reagent. The copper ions in Feilin's reagent are reduced from divalent to monovalent to form a brick-red cuprous oxide precipitate.
Second, an addition reaction can occur. The carbon-oxygen double bond in the aldehyde group can be added with a variety of nucleophilic reagents. For example, under the catalysis of acid with alcohols, it forms hemiacetal, which in turn generates acetal. Addition with hydrocyanic acid produces α-hydroxynitrile, which can grow the carbon chain.
Third, because the chlorine atom has an electron-absorbing effect, it affects the density distribution of the electron cloud of the benzene ring, which reduces the density of the electron cloud of the benzene ring o and para-site, which in turn affects the activity of the electrophilic substitution reaction of the benzene ring, making the electrophil
Fourth, p-chlorobenzaldehyde can undergo disproportionation reaction. Under the action of concentrated alkali, one molecule of aldehyde is oxidized to carboxylate, and another molecule of aldehyde is reduced to alcohol, which is a Cannicharo reaction.
Due to the characteristics of aldehyde group and chlorine atom, p-chlorobenzaldehyde is used as a key intermediate in the field of organic synthesis, participating in the synthesis of many organic compounds, and has important application value in the industries of drugs, fragrances, dyes, etc.
What are the main uses of P-chlorobenzenecarboxaldehyde?
P-chlorobenzaldehyde (P-chlorobenzenecarboxaldehyde) has a wide range of uses and is found in many fields.
In the field of medicine, it is a key organic synthesis intermediate. For example, when synthesizing specific antibacterial drugs, P-chlorobenzaldehyde can participate in the reaction steps, and through a series of chemical transformations, the active structure of the drug is constructed, which helps to improve the antibacterial effect of the drug.
In terms of pesticides, it can be used as a raw material for synthesizing a variety of pesticides. By reacting with other chemicals, pesticide products with insecticidal, bactericidal or herbicidal properties can be made to protect crops from pests and diseases and improve crop yield and quality.
In the fragrance industry, P-chlorobenzaldehyde can be used as a starting material for the synthesis of certain fragrances due to its unique chemical structure. After careful chemical reaction, it can prepare fragrance components with special aroma, which can be used in perfumes, air fresheners, detergents and other products to give it a pleasant aroma.
In the dye industry, it also plays an important role. It can be used as an intermediate for the synthesis of specific dyes. By reacting with other compounds, it can construct dyes with bright colors and good stability, which can be used in dyeing processes in textile, leather and other industries. In addition, in the field of organic synthetic chemistry research, P-chlorobenzaldehyde is often used as a model compound for researchers to explore new chemical reaction paths, optimize reaction conditions, promote the development of organic synthetic chemistry, and provide ideas and methods for the synthesis of more new compounds.
In the field of medicine, it is a key organic synthesis intermediate. For example, when synthesizing specific antibacterial drugs, P-chlorobenzaldehyde can participate in the reaction steps, and through a series of chemical transformations, the active structure of the drug is constructed, which helps to improve the antibacterial effect of the drug.
In terms of pesticides, it can be used as a raw material for synthesizing a variety of pesticides. By reacting with other chemicals, pesticide products with insecticidal, bactericidal or herbicidal properties can be made to protect crops from pests and diseases and improve crop yield and quality.
In the fragrance industry, P-chlorobenzaldehyde can be used as a starting material for the synthesis of certain fragrances due to its unique chemical structure. After careful chemical reaction, it can prepare fragrance components with special aroma, which can be used in perfumes, air fresheners, detergents and other products to give it a pleasant aroma.
In the dye industry, it also plays an important role. It can be used as an intermediate for the synthesis of specific dyes. By reacting with other compounds, it can construct dyes with bright colors and good stability, which can be used in dyeing processes in textile, leather and other industries. In addition, in the field of organic synthetic chemistry research, P-chlorobenzaldehyde is often used as a model compound for researchers to explore new chemical reaction paths, optimize reaction conditions, promote the development of organic synthetic chemistry, and provide ideas and methods for the synthesis of more new compounds.
What is P-chlorobenzenecarboxaldehyde synthesis method?
The method of preparing p-chlorobenzaldehyde (P-chlorobenzenecarboxaldehyde) has been studied by chemists throughout the ages. One common method is to use p-chlorotoluene as the starting material and obtain it by oxidation.
First take an appropriate amount of p-chlorotoluene, place it in a reactor, add an appropriate amount of catalyst, such as cobalt salt, manganese salt, etc. Then introduce oxygen or air, heat it up, and make it react at a specific temperature and pressure. In this process, the methyl group of p-chlorotoluene is oxidized and gradually converted into an aldehyde group, resulting in p-chlorobenzaldehyde. However, when reacting, it is necessary to pay attention to the control of temperature and pressure. If the temperature is too high, the product may be over-oxidized to p-chlorobenzoic acid; if the temperature is too low, the reaction rate will be slow and take a long time.
Another method is to use p-chlorobenzyl alcohol as raw material. Dissolve p-chlorobenzyl alcohol in an appropriate solvent, such as dichloromethane, and add an appropriate amount of oxidant, such as Dess-Martin periodinane. This oxidant is mild and efficient, and can selectively oxidize alcohol hydroxyl groups to aldehyde groups, with few side reactions. The reaction conditions are relatively mild, and it can be carried out at room temperature or slightly above room temperature. After the reaction, the product can be purified through extraction, washing, drying, distillation and other steps to obtain pure p-chlorobenzaldehyde.
There is also a method of using p-chlorobenzoic acid as raw material, first reducing it to p-chlorobenzanol, and then further oxidizing it to p-chlorobenzaldehyde. Although this path is slightly complicated, the raw materials are easy to obtain, and the reaction of each step is well controlled.
All methods have advantages and disadvantages. In actual preparation, it is necessary to weigh the choice according to the availability of raw materials, cost, product purity and other factors, and carefully plan the experimental steps to obtain satisfactory results.
First take an appropriate amount of p-chlorotoluene, place it in a reactor, add an appropriate amount of catalyst, such as cobalt salt, manganese salt, etc. Then introduce oxygen or air, heat it up, and make it react at a specific temperature and pressure. In this process, the methyl group of p-chlorotoluene is oxidized and gradually converted into an aldehyde group, resulting in p-chlorobenzaldehyde. However, when reacting, it is necessary to pay attention to the control of temperature and pressure. If the temperature is too high, the product may be over-oxidized to p-chlorobenzoic acid; if the temperature is too low, the reaction rate will be slow and take a long time.
Another method is to use p-chlorobenzyl alcohol as raw material. Dissolve p-chlorobenzyl alcohol in an appropriate solvent, such as dichloromethane, and add an appropriate amount of oxidant, such as Dess-Martin periodinane. This oxidant is mild and efficient, and can selectively oxidize alcohol hydroxyl groups to aldehyde groups, with few side reactions. The reaction conditions are relatively mild, and it can be carried out at room temperature or slightly above room temperature. After the reaction, the product can be purified through extraction, washing, drying, distillation and other steps to obtain pure p-chlorobenzaldehyde.
There is also a method of using p-chlorobenzoic acid as raw material, first reducing it to p-chlorobenzanol, and then further oxidizing it to p-chlorobenzaldehyde. Although this path is slightly complicated, the raw materials are easy to obtain, and the reaction of each step is well controlled.
All methods have advantages and disadvantages. In actual preparation, it is necessary to weigh the choice according to the availability of raw materials, cost, product purity and other factors, and carefully plan the experimental steps to obtain satisfactory results.
What are the precautions in storage and transportation of P-chlorobenzenecarboxaldehyde?
P-chlorobenzaldehyde is an organic compound. When storing and transporting, many matters need to be paid attention to.
When storing, choose the first environment. When placed in a cool and ventilated place, away from fire and heat sources. The cover is flammable, and it is easy to cause fire when heated or exposed to open flames. The temperature of the warehouse should be controlled within an appropriate range and should not be too high to prevent it from evaporating or causing chemical reactions.
Furthermore, the packaging must be tight. A well-sealed container must be used to prevent leakage. Because it is irritating to the eyes, respiratory tract and skin, if it leaks, it will not only cause material loss, but also endanger the safety of personnel and the environment. And can not be mixed with oxidants, acids, alkalis, etc., because of its active chemical properties, contact with various substances is easy to cause chemical reactions, resulting in danger.
When transporting, also pay attention to. Transport vehicles should be equipped with the corresponding variety and quantity of fire equipment and leakage emergency treatment equipment. During driving, it should be protected from exposure to the sun, rain, and high temperature. When loading and unloading, it should be lightly loaded to avoid damage to packaging and containers to prevent material leakage. Transport according to the specified route, do not stop in residential areas and densely populated areas. In this way, P-chlorobenzaldehyde is safe and secure during storage and transportation, and will not cause life risk.
When storing, choose the first environment. When placed in a cool and ventilated place, away from fire and heat sources. The cover is flammable, and it is easy to cause fire when heated or exposed to open flames. The temperature of the warehouse should be controlled within an appropriate range and should not be too high to prevent it from evaporating or causing chemical reactions.
Furthermore, the packaging must be tight. A well-sealed container must be used to prevent leakage. Because it is irritating to the eyes, respiratory tract and skin, if it leaks, it will not only cause material loss, but also endanger the safety of personnel and the environment. And can not be mixed with oxidants, acids, alkalis, etc., because of its active chemical properties, contact with various substances is easy to cause chemical reactions, resulting in danger.
When transporting, also pay attention to. Transport vehicles should be equipped with the corresponding variety and quantity of fire equipment and leakage emergency treatment equipment. During driving, it should be protected from exposure to the sun, rain, and high temperature. When loading and unloading, it should be lightly loaded to avoid damage to packaging and containers to prevent material leakage. Transport according to the specified route, do not stop in residential areas and densely populated areas. In this way, P-chlorobenzaldehyde is safe and secure during storage and transportation, and will not cause life risk.
P-chlorobenzenecarboxaldehyde impact on the environment and human health
Wen Jun's inquiry is about the impact of p-chlorobenzaldehyde on the environment and human health. P-chlorobenzaldehyde is also a chemical substance, which is often used in industrial production, chemical synthesis and other fields.
As far as the environment is concerned, it may have multiple effects. If accidentally released in water, it may affect the water quality and pose a threat to the survival and reproduction of aquatic organisms. Aquatic organisms may cause physiological disorders due to the presence of this substance in the water body, affecting their respiration, feeding, reproduction and other behaviors. In the soil, it may change the chemical properties of the soil, affect the activities of soil microorganisms, and then affect the absorption of nutrients by plant roots, hindering plant growth. If volatile into the atmosphere, or participate in photochemical reactions, it will affect air quality and cause a chain reaction to surrounding ecosystems.
As for personal health, p-chlorobenzaldehyde is irritating to a certain extent. If it comes into contact with the skin, it may cause redness, swelling, itching, tingling and other discomfort, especially for those with sensitive skin. Inhalation of its volatile gaseous substances can irritate the respiratory tract, causing symptoms such as cough, asthma, and breathing difficulties. Long-term exposure to this substance may have potential damage to the respiratory system, nervous system, etc., and even increase the risk of certain diseases. Eating food or water containing this substance can also damage the digestive system, causing adverse reactions such as nausea, vomiting, and abdominal pain.
In summary, p-chlorobenzaldehyde has potential hazards to the environment and human health. During production, use and disposal, it is necessary to operate strictly and follow relevant safety regulations to reduce its adverse effects on the environment and human health.
As far as the environment is concerned, it may have multiple effects. If accidentally released in water, it may affect the water quality and pose a threat to the survival and reproduction of aquatic organisms. Aquatic organisms may cause physiological disorders due to the presence of this substance in the water body, affecting their respiration, feeding, reproduction and other behaviors. In the soil, it may change the chemical properties of the soil, affect the activities of soil microorganisms, and then affect the absorption of nutrients by plant roots, hindering plant growth. If volatile into the atmosphere, or participate in photochemical reactions, it will affect air quality and cause a chain reaction to surrounding ecosystems.
As for personal health, p-chlorobenzaldehyde is irritating to a certain extent. If it comes into contact with the skin, it may cause redness, swelling, itching, tingling and other discomfort, especially for those with sensitive skin. Inhalation of its volatile gaseous substances can irritate the respiratory tract, causing symptoms such as cough, asthma, and breathing difficulties. Long-term exposure to this substance may have potential damage to the respiratory system, nervous system, etc., and even increase the risk of certain diseases. Eating food or water containing this substance can also damage the digestive system, causing adverse reactions such as nausea, vomiting, and abdominal pain.
In summary, p-chlorobenzaldehyde has potential hazards to the environment and human health. During production, use and disposal, it is necessary to operate strictly and follow relevant safety regulations to reduce its adverse effects on the environment and human health.
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