Linshang Chemical
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Benzene, 1-Chloro-2-Methyl-3-(Methylthio)-
Linshang Chemical
|
HS Code |
484472 |
| Chemical Formula | C8H9ClS |
| Molecular Weight | 172.68 |
As an accredited Benzene, 1-Chloro-2-Methyl-3-(Methylthio)- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 1 - chloro - 2 - methyl - 3-(methylthio)benzene in sealed chemical - grade containers. |
| Storage | Store "Benzene, 1 - chloro - 2 - methyl - 3 - (methylthio)-" in a cool, well - ventilated area, away from heat, sparks, and open flames. Keep it in a tightly sealed container, preferably made of corrosion - resistant materials. Separate from oxidizing agents, strong acids, and reactive substances to prevent hazardous reactions. Adhere to proper labeling and safety protocols. |
| Shipping | 1 - chloro - 2 - methyl - 3 - (methylthio) benzene is shipped in accordance with strict chemical transport regulations. It's typically in sealed, corrosion - resistant containers, transported by specialized carriers to ensure safety during transit. |
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What are the physical properties of 1-chloro-2-methyl-3- (methylthio) benzene?
1 + -Alkane-2-methyl-3- (formyl) naphthalene, this substance is an organic compound. Its physical properties are complex, let me explain in detail.
Looking at its appearance, it is often crystalline, but the specific color state depends on its purity and crystallization conditions. Or colorless to light yellow crystals, the color change is like the change from morning to sunset, subtle and rich in charm.
When it comes to melting point, this compound has a specific melting point range. Due to intermolecular forces and lattice structure, the melting point value is relatively stable, which is an important indicator for identifying its purity. Just as craftsmen measure utensils with precise scales, the melting point is equally critical in the process of identifying the purity of this substance.
The boiling point is determined by the relative molecular mass of the molecule, the type and strength of the intermolecular forces. The higher relative molecular mass and the stronger intermolecular forces cause its boiling point to be quite high. This property is of great significance in the process of separation and purification.
Solubility is also an important physical property. Its solubility in organic solvents varies depending on the polarity of the solvent. In non-polar or weakly polar organic solvents, such as benzene, toluene, etc., the solubility is quite good, just like fish get water, and the two are in perfect harmony; while in polar solvents, such as water, the solubility is very small, just like the mutual exclusion of oil and water, distinct. This difference in solubility provides many conveniences and possibilities for its separation, purification and application.
Furthermore, density is also a physical property that cannot be ignored. Compared with common organic solvents or water, its density has a unique value. This value is used in chemical production, experimental operations, practical applications such as the ratio of materials and the judgment of stratification phenomena. For example, when a ship is in the vast sea, the value of density is the compass that guides the direction.
In summary, the physical properties of 1 + -alkane-2-methyl-3- (formyl) naphthalene, from the appearance of the color state, to the melting point, boiling point, solubility, density, etc., are unique and interrelated, and play an indispensable role in the field of chemical research and industrial production.
Looking at its appearance, it is often crystalline, but the specific color state depends on its purity and crystallization conditions. Or colorless to light yellow crystals, the color change is like the change from morning to sunset, subtle and rich in charm.
When it comes to melting point, this compound has a specific melting point range. Due to intermolecular forces and lattice structure, the melting point value is relatively stable, which is an important indicator for identifying its purity. Just as craftsmen measure utensils with precise scales, the melting point is equally critical in the process of identifying the purity of this substance.
The boiling point is determined by the relative molecular mass of the molecule, the type and strength of the intermolecular forces. The higher relative molecular mass and the stronger intermolecular forces cause its boiling point to be quite high. This property is of great significance in the process of separation and purification.
Solubility is also an important physical property. Its solubility in organic solvents varies depending on the polarity of the solvent. In non-polar or weakly polar organic solvents, such as benzene, toluene, etc., the solubility is quite good, just like fish get water, and the two are in perfect harmony; while in polar solvents, such as water, the solubility is very small, just like the mutual exclusion of oil and water, distinct. This difference in solubility provides many conveniences and possibilities for its separation, purification and application.
Furthermore, density is also a physical property that cannot be ignored. Compared with common organic solvents or water, its density has a unique value. This value is used in chemical production, experimental operations, practical applications such as the ratio of materials and the judgment of stratification phenomena. For example, when a ship is in the vast sea, the value of density is the compass that guides the direction.
In summary, the physical properties of 1 + -alkane-2-methyl-3- (formyl) naphthalene, from the appearance of the color state, to the melting point, boiling point, solubility, density, etc., are unique and interrelated, and play an indispensable role in the field of chemical research and industrial production.
What are the chemical properties of 1-chloro-2-methyl-3- (methylthio) benzene?
1 + -Alkyl-2-methyl-3- (formyl) naphthalene This compound has aromatic properties due to its naphthalene ring, and can undergo electrophilic substitution reactions, such as halogenation, nitration, and sulfonation. Its methyl group can be oxidized to carboxyl group, and the formyl group has the property of aldehyde group, which can undergo silver mirror reaction, react with new copper hydroxide, and also react with alcohol. Under appropriate conditions, the naphthalene ring can undergo hydrogenation reduction reaction.
In this compound, the naphthalene ring is a large conjugated system, and the electron cloud density distribution is special, resulting in its high electrophilic substitution activity, and the activity of α-position is higher than that of β-position. Methyl is affected by the naphthalene ring, and α-H has a certain activity and can be ox The carbon-oxygen double bond in the formyl group is polar, and the carbon has a partial positive charge, which is easy to attack by nucleophilic reagents.
When encountering halogenating reagents such as bromine under the catalysis of iron tribromide, the α position of the naphthalene ring will undergo bromination reaction; when encountering mixed acids (concentrated sulfuric acid mixed with concentrated nitric acid), nitrification will occur to obtain nitro substitutes. If strong oxidants such as acidic potassium permanganate are used, methyl groups will be oxidized to carboxylic groups. When the formyl group is co-heated with silver ammonia solution, a silver mirror reaction will occur; when heated with the new copper hydroxide suspension, a brick red precipitate will be produced. If there is an alcohol, under the catalysis of acid, the formyl group will undergo acetalization reaction with the alcohol. If there is a suitable catalyst and hydrogen, the naphthalene ring can be gradually hydrogenated to produce different degrees of hydrogenation products.
In this compound, the naphthalene ring is a large conjugated system, and the electron cloud density distribution is special, resulting in its high electrophilic substitution activity, and the activity of α-position is higher than that of β-position. Methyl is affected by the naphthalene ring, and α-H has a certain activity and can be ox The carbon-oxygen double bond in the formyl group is polar, and the carbon has a partial positive charge, which is easy to attack by nucleophilic reagents.
When encountering halogenating reagents such as bromine under the catalysis of iron tribromide, the α position of the naphthalene ring will undergo bromination reaction; when encountering mixed acids (concentrated sulfuric acid mixed with concentrated nitric acid), nitrification will occur to obtain nitro substitutes. If strong oxidants such as acidic potassium permanganate are used, methyl groups will be oxidized to carboxylic groups. When the formyl group is co-heated with silver ammonia solution, a silver mirror reaction will occur; when heated with the new copper hydroxide suspension, a brick red precipitate will be produced. If there is an alcohol, under the catalysis of acid, the formyl group will undergo acetalization reaction with the alcohol. If there is a suitable catalyst and hydrogen, the naphthalene ring can be gradually hydrogenated to produce different degrees of hydrogenation products.
What are the main uses of 1-chloro-2-methyl-3- (methylthio) benzene?
1-Alkyl-2-methyl-3- (formyl) benzene, this substance is called 3-formyl-2-methylbenzene, and its main uses are as follows:
In the field of organic synthesis, this compound has an outstanding position. Due to the presence of formyl groups and methyl groups, it is endowed with unique reactivity and is a key building block for the construction of complex organic molecules. For example, formyl groups can participate in classical condensation reactions, such as with compounds containing active hydrogen, such as diethyl malonate, through Knoevenagel condensation reaction, which can efficiently build carbon-carbon double bond structures. This structure is widely found in many natural products and drug molecular architectures.
Furthermore, in the field of medicinal chemistry, 3-formyl-2-methylphenane can be used as a synthetic precursor of lead compounds. By structurally modifying and derivatization of its phenyl ring, methyl group and formyl group, new compounds with different physiological activities can be obtained. The modified substances may exhibit antibacterial, anti-inflammatory and even anti-cancer potential pharmacological activities, providing rich materials and possibilities for the development of new drugs.
In the field of materials science, it also has opportunities for application. It can be chemically connected to the main or side chains of polymers to change the physical and chemical properties of polymers, such as improving their solubility, thermal stability and optical properties. The modified polymers may be used in optoelectronic devices, coatings and other fields to broaden the application range of materials.
In conclusion, the unique structure of 1-alkane-2-methyl-3- (formyl) benzene has important uses in various fields such as organic synthesis, drug development, and materials science, providing assistance and opportunities for the development of various fields.
In the field of organic synthesis, this compound has an outstanding position. Due to the presence of formyl groups and methyl groups, it is endowed with unique reactivity and is a key building block for the construction of complex organic molecules. For example, formyl groups can participate in classical condensation reactions, such as with compounds containing active hydrogen, such as diethyl malonate, through Knoevenagel condensation reaction, which can efficiently build carbon-carbon double bond structures. This structure is widely found in many natural products and drug molecular architectures.
Furthermore, in the field of medicinal chemistry, 3-formyl-2-methylphenane can be used as a synthetic precursor of lead compounds. By structurally modifying and derivatization of its phenyl ring, methyl group and formyl group, new compounds with different physiological activities can be obtained. The modified substances may exhibit antibacterial, anti-inflammatory and even anti-cancer potential pharmacological activities, providing rich materials and possibilities for the development of new drugs.
In the field of materials science, it also has opportunities for application. It can be chemically connected to the main or side chains of polymers to change the physical and chemical properties of polymers, such as improving their solubility, thermal stability and optical properties. The modified polymers may be used in optoelectronic devices, coatings and other fields to broaden the application range of materials.
In conclusion, the unique structure of 1-alkane-2-methyl-3- (formyl) benzene has important uses in various fields such as organic synthesis, drug development, and materials science, providing assistance and opportunities for the development of various fields.
What are the synthesis methods of 1-chloro-2-methyl-3- (methylthio) benzene?
To prepare 1-bromo-2-methyl-3- (formyl) benzene, there are three methods.
First, start with 2-methylbenzoic acid. Shilling 2-methylbenzoic acid is co-heated with dichlorosulfoxide to obtain 2-methylbenzoyl chloride. Then 2-methylbenzoyl chloride is co-placed with aluminum bromide and bromobenzene in a suitable solvent, such as carbon disulfide, and reacted at low temperature to introduce bromine atoms in ortho positions to obtain 2-methyl-3-bromobenzoyl chloride. After careful reduction with a suitable reducing agent, such as lithium aluminum hydride, 1-bromo-2-methyl-3- (formyl) benzene can be obtained. In this path, benzoic acid compounds are stable in nature, and although the reaction steps are complex, the reaction of each step is well controlled.
Second, m-methylaniline is used as a group. M-methylaniline is first reacted with acetyl chloride to protect the amino group to obtain N-acetyl-m-methylaniline. By reacting it with bromine in acetic acid, bromine atoms can be introduced at the amino ortho-position to obtain N-acetyl-2-bromo-m-methylaniline. Then hydrolyzed in an acidic solution, deacetylated and diazotized amino groups, and then treated with hypophosphoric acid to convert amino groups into hydrogen atoms to obtain 2-bromo-m-methylbenzene. Finally, the system composed of carbon monoxide, hydrogen chloride, cuprous chloride, etc. is carried out under suitable conditions for formylation to obtain the target product. In this way, the amino positioning effect is used, and the bromination position is accurate. However, the diazotization and deamination steps need to be carefully handled to prevent side reactions.
Third, start with m-xylene. 2-bromo-m-xylene can be obtained by the radical substitution reaction between m-xylene and bromine under the action of light or initiator. Then 2-bromo-m-xylene is controlled under the action of a suitable catalyst, such as chromium trioxide-acetic anhydride system, so that one of the methyl oxidizes to formyl group, that is, 1-bromo-2-methyl-3- (formyl) benzene. This diameter of raw materials is easy to obtain, and the radical substitution reaction operation is relatively simple. However, the selectivity of the oxidation step needs to be carefully regulated to avoid excessive oxidation.
First, start with 2-methylbenzoic acid. Shilling 2-methylbenzoic acid is co-heated with dichlorosulfoxide to obtain 2-methylbenzoyl chloride. Then 2-methylbenzoyl chloride is co-placed with aluminum bromide and bromobenzene in a suitable solvent, such as carbon disulfide, and reacted at low temperature to introduce bromine atoms in ortho positions to obtain 2-methyl-3-bromobenzoyl chloride. After careful reduction with a suitable reducing agent, such as lithium aluminum hydride, 1-bromo-2-methyl-3- (formyl) benzene can be obtained. In this path, benzoic acid compounds are stable in nature, and although the reaction steps are complex, the reaction of each step is well controlled.
Second, m-methylaniline is used as a group. M-methylaniline is first reacted with acetyl chloride to protect the amino group to obtain N-acetyl-m-methylaniline. By reacting it with bromine in acetic acid, bromine atoms can be introduced at the amino ortho-position to obtain N-acetyl-2-bromo-m-methylaniline. Then hydrolyzed in an acidic solution, deacetylated and diazotized amino groups, and then treated with hypophosphoric acid to convert amino groups into hydrogen atoms to obtain 2-bromo-m-methylbenzene. Finally, the system composed of carbon monoxide, hydrogen chloride, cuprous chloride, etc. is carried out under suitable conditions for formylation to obtain the target product. In this way, the amino positioning effect is used, and the bromination position is accurate. However, the diazotization and deamination steps need to be carefully handled to prevent side reactions.
Third, start with m-xylene. 2-bromo-m-xylene can be obtained by the radical substitution reaction between m-xylene and bromine under the action of light or initiator. Then 2-bromo-m-xylene is controlled under the action of a suitable catalyst, such as chromium trioxide-acetic anhydride system, so that one of the methyl oxidizes to formyl group, that is, 1-bromo-2-methyl-3- (formyl) benzene. This diameter of raw materials is easy to obtain, and the radical substitution reaction operation is relatively simple. However, the selectivity of the oxidation step needs to be carefully regulated to avoid excessive oxidation.
What are the environmental effects of 1-chloro-2-methyl-3- (methylthio) benzene?
1 + - 2-methyl-3- (acetyl) benzene, this substance has environmental effects, and can be added to it.
First of all, the methyl group it contains, one of the methyl alkyl groups, has a certain effect. In the environment, due to the presence of methyl groups, the physical properties of the substance are reduced, resulting in poor solubility in water, and are easily soluble in non-toxic or weakly soluble substances. This property makes it easy to adsorb on non-toxic parts of particles or organisms in the water environment, and it may be enriched in aquatic systems. It may cause adverse effects such as physiological performance and other adverse effects along the food chain.
Furthermore, the acetyl group is functionally active. In the environment, the acetyl group may react to polymorphism, such as hydrolysis. If hydrolysis occurs, it will cause carboxylic acids and other by-products in the biological phase. The generation of this compound may change the acidity of the local environment, causing dryness due to the acid balance of soil and water. And the acetyl group itself can also change its own transformation and form new pollutants, and its biological toxicity will also be changed.
In addition, the atom may seem ordinary, but it also plays an important role in the whole molecule. The atom can form a molecular force, which affects the physical properties such as the melting of the substance. In the environment, these physical properties determine the properties and dispersion of the material. If the property of the material is not good, it is easy to enter the environment, and the photochemical reaction may occur in the environment, and the large amount may cause adverse effects. For example, secondary pollutants such as ozone may be generated, which endangers human health and the environment.
Therefore, the characteristics of 1 + -2- methyl-3- (acetyl) benzene due to various functional properties, in the environment, through physical, chemical and other environmental factors, water, soil, and other environmental factors cause many effects, and need to be highly important.
First of all, the methyl group it contains, one of the methyl alkyl groups, has a certain effect. In the environment, due to the presence of methyl groups, the physical properties of the substance are reduced, resulting in poor solubility in water, and are easily soluble in non-toxic or weakly soluble substances. This property makes it easy to adsorb on non-toxic parts of particles or organisms in the water environment, and it may be enriched in aquatic systems. It may cause adverse effects such as physiological performance and other adverse effects along the food chain.
Furthermore, the acetyl group is functionally active. In the environment, the acetyl group may react to polymorphism, such as hydrolysis. If hydrolysis occurs, it will cause carboxylic acids and other by-products in the biological phase. The generation of this compound may change the acidity of the local environment, causing dryness due to the acid balance of soil and water. And the acetyl group itself can also change its own transformation and form new pollutants, and its biological toxicity will also be changed.
In addition, the atom may seem ordinary, but it also plays an important role in the whole molecule. The atom can form a molecular force, which affects the physical properties such as the melting of the substance. In the environment, these physical properties determine the properties and dispersion of the material. If the property of the material is not good, it is easy to enter the environment, and the photochemical reaction may occur in the environment, and the large amount may cause adverse effects. For example, secondary pollutants such as ozone may be generated, which endangers human health and the environment.
Therefore, the characteristics of 1 + -2- methyl-3- (acetyl) benzene due to various functional properties, in the environment, through physical, chemical and other environmental factors, water, soil, and other environmental factors cause many effects, and need to be highly important.
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