2,4-Dichloro-5-Methylbenzenethiol

Linshang Chemical

Specifications

HS Code

515574

Chemical Formula C7H6Cl2S
Molar Mass 193.09 g/mol
Appearance Solid (usually)
Odor Characteristic sulfur - containing odor
Melting Point Specific value depends on purity (usually in a certain range)
Boiling Point Specific value depends on purity and conditions
Solubility In Water Low solubility in water
Solubility In Organic Solvents Soluble in many organic solvents like ethanol, ether
Density Specific value depending on conditions
Stability Stable under normal conditions but can react with strong oxidants

As an accredited 2,4-Dichloro-5-Methylbenzenethiol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 250 - gram bottle packaging for 2,4 - dichloro - 5 - methylbenzenethiol chemical.
Storage 2,4 - dichloro - 5 - methylbenzenethiol should be stored in a cool, dry, well - ventilated area. Keep it away from heat, flames, and oxidizing agents. Store in a tightly - sealed container made of a suitable material like glass or corrosion - resistant plastic to prevent leakage and exposure to air, which could lead to degradation or potential hazardous reactions.
Shipping 2,4 - dichloro - 5 - methylbenzenethiol is a chemical. Shipping should be in accordance with hazardous material regulations. It must be properly packaged to prevent leaks, and transported by carriers approved for such chemicals.
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2,4-Dichloro-5-Methylbenzenethiol 2,4-Dichloro-5-Methylbenzenethiol
General Information
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Frequently Asked Questions

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What are the chemical properties of 2,4-dichloro-5-methylthiophenol?
2% 2C4-dihydro-5-methylbenzofuranone, this substance has specific properties. It is flammable, can cause combustion in case of open flame and hot topic, and can be decomposed by heat in fire to release toxic smoke.
From a chemical activity point of view, because the molecule contains unsaturated bonds and specific functional groups, it has certain reactivity. Under suitable conditions, unsaturated bonds can undergo an addition reaction, such as addition to hydrogen gas. Under suitable catalysts, temperature and pressure, the dihydrogen structure can be further saturated, resulting in changes in molecular stability and physical properties.
Its chemical stability is limited, and it will react under different conditions in acid-base environments. In case of strong acids, the furanone ring may be protonated, triggering ring opening or rearrangement reactions, changing the molecular structure and properties; in case of strong bases, methyl or other groups may be substituted and eliminated.
In terms of solubility, the substance has a certain solubility in organic solvents such as ethanol and acetone. Due to the principle of similar miscibility, its organic structure interacts with organic solvents, which is conducive to dissolution; but in water, the solubility is low, because its molecular polarity is different from water molecules, and the interaction force is weak.
In terms of toxicity, although the specific toxicity needs to be measured experimentally, some compounds containing benzofuran structures have potential biological activity and toxicity, and may cause adverse effects on organisms. It is necessary to take good protection when contacting.
What are the physical properties of 2,4-dichloro-5-methylthiophenol?
2% 2C4-difluoro-5-methylthiophenol hydrazone is a class of organic compounds. Its physical properties are quite impressive, as follows:
Looking at its appearance, it often takes a crystalline solid form, which is its intuitive physical characteristic and can be distinguished by the naked eye. Its color is mostly in the range of white to light yellow, and the color is elegant, which can be used as one of the aids to identify this material.
When it comes to melting point, the melting point of this compound also has a specific range, but it fluctuates slightly due to differences in preparation methods and purity. It is probably within a certain temperature range. This temperature range is a key parameter in related chemical research and industrial applications, and is related to the conditions of its processing and use.
In terms of solubility, 2% 2C4-difluoro-5-methylthiophenol hydrazone exhibits different solubility characteristics in organic solvents. In common organic solvents, such as ethanol, ether, dichloromethane, etc., it has a certain solubility. This characteristic makes it participate in many chemical reactions in the form of a solution, or play a role in the process of separation and purification. In water, its solubility is extremely low. Due to the influence of hydrophobic groups in the molecular structure, it is difficult to dissolve in the polar aqueous phase.
In addition, the density of this substance is also one of its physical properties. Although the density value will vary slightly due to the accuracy of the measurement conditions, it is roughly within a certain range. The determination of density is of great significance in chemical production, quality control and other fields, and can assist in judging the purity and quality of products.
Furthermore, the vapor pressure of 2% 2C4-difluoro-5-methylthiophenol hydrazone is also a certain value at a specific temperature. Vapor pressure reflects the equilibrium relationship between the gaseous and liquid states of this substance. For industrial operations involving volatilization, distillation and other processes, vapor pressure is an indispensable consideration.
What are the main uses of 2,4-dichloro-5-methylthiophenol?
2% 2C4-dihydro-5-methylindole-quinone, that is, 2,4-dihydro-5-methylindole-3-one, has important uses in many fields.
In the field of medicine, it can be used as a key intermediate. For example, in the development of some anti-tumor drugs, with the help of its special chemical structure, it can be modified by a series of reactions to synthesize anti-cancer active substances with specific targeting. Because its structure has a check point with some key proteins or receptors in tumor cells, it can interfere with the metabolism and proliferation of tumor cells, thereby inhibiting tumor growth. At the same time, in the research and development of drugs for neurological diseases, it can be used as a basis to prepare drugs that regulate neurotransmitters and repair nerve damage, which is of great significance for the treatment of neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease.
In the field of materials, 2,4-dihydro-5-methylindolquinone can be used to synthesize organic materials with special properties. Because of its molecular structure with certain conjugate system and electronic properties, after specific processing, materials with good photoelectric properties can be prepared for organic Light Emitting Diode (OLED), solar cells and other devices. In OLED, it can be used as a light-emitting layer material because it can effectively emit light under the action of an electric field, improving the luminous efficiency and color performance of the device; in solar cells, it helps to absorb light and charge transfer, and improves the photoelectric conversion efficiency of the battery.
In the field of dyes, 2,4-dihydro-5-methylindolquinone can produce a specific color reaction due to its own structure, and can be used as a raw material for the synthesis of new dyes. The synthesized dyes are not only bright in color, but also have good light resistance, washing resistance, etc. They can be widely used in the textile, printing and dyeing industries to give long-lasting and beautiful colors to fabrics and meet people's needs for textile color and quality.
What are the synthesis methods of 2,4-dichloro-5-methylthiophenol?
To prepare 2,4-difluoro-5-methylbenzenesulfonyl chloride, the method is as follows:
First take an appropriate reaction vessel, wash and dry it. Prepare the raw materials, and choose a high-purity starting material to ensure the best effect of the reaction.
One method can be started by aromatic hydrocarbons containing corresponding substituents. First, use a suitable halogenating reagent, and under specific reaction conditions, perform a halogenation reaction to introduce fluorine atoms. Control the reaction temperature, time and reagent dosage. If the temperature is too high or the time is too long, side reactions may occur and the product is impure. The halogenating reagents used, such as nucleophilic fluorinated reagents, are fully mixed with the aromatic hydrocarbon substrate in a suitable solvent system. The reaction system may require a specific catalyst to promote the reaction and increase the reaction rate.
After the fluorine atom is successfully introduced, a fluorine-containing aromatic hydrocarbon intermediate is obtained. Then, the intermediate is methylated. Choose a suitable methylation reagent, such as iodomethane or dimethyl sulfate, etc. In the presence of a base, the base can help the substrate to form carbon anions, improve its nucleophilicity, and enable the methylation reaction to occur smoothly. This step also requires fine regulation of the reaction conditions to ensure the selectivity of the methylation check point.
After obtaining an aromatic hydrocarbon containing fluorine and methyl, a sulfonylation reaction is carried out to obtain the target product. React with the substrate at the appropriate temperature with sulfonating reagents such as chlorosulfonic acid or fuming sulfuric acid. When reacting, pay close attention to the reaction process. Due to the intense sulfonation reaction or exothermic heat, it is necessary to properly control the temperature to prevent dangerous situations such as punching. After sulfonation, the product is 2,4-difluoro-5-methylbenzenesulfonyl chloride.
After the reaction is completed, the product needs to be separated and purified. Common methods include extraction, distillation, recrystallization, etc. Extraction can be based on the difference in solubility of the product and impurities in different solvents to achieve preliminary separation; distillation according to the different boiling points of each component, further purification; recrystallization is achieved by controlling the temperature and solvent to precipitate the product in the form of pure crystals, reaching the target product of high purity.
What are the precautions for storing and transporting 2,4-dichloro-5-methylthiophenol?
2% 2C4-difluoro-5-methylthiophenol sodium is an important chemical substance. When storing and transporting, many key matters need to be paid attention to.
When storing, the first environment is dry. Because of its certain hygroscopicity, if the storage environment is humid, it is easy to cause deliquescence and deterioration, which affects quality and performance. The warehouse should choose a high terrain, dry and ventilated place, and be equipped with dehumidification equipment to ensure that the air humidity is maintained within the appropriate range.
Temperature control is also crucial. This substance is sensitive to temperature, and if the temperature is too high or it triggers chemical reactions such as decomposition. It should be stored in a cool environment, usually the temperature should be controlled below 25 ° C. If necessary, temperature control devices such as air conditioners can be installed. At the same time, it is necessary to avoid direct sunlight, because light may catalyze its chemical reaction, so the storage container should be placed in a dark place or packaged with dark materials.
Furthermore, when storing, it should be stored separately from oxidants, acids and other substances. 2% 2C4-difluoro-5-methylthiophenol sodium is in contact with oxidants, prone to oxidation reactions, and may even cause hazards such as combustion and explosion; contact with acids may produce harmful gases, endangering personnel and the environment.
When transporting, the packaging must be tight. Appropriate packaging materials should be selected to ensure that the packaging will not be damaged due to bumps, collisions, etc. during transportation, and then leak. Commonly used packaging materials include plastic drums, iron drums, etc. Before packaging, the container needs to be strictly inspected to ensure that it is not damaged or has no potential leakage.
Transportation vehicles also need to meet relevant safety standards. To be equipped with necessary fire fighting equipment and leakage emergency treatment equipment, transportation personnel should be familiar with the characteristics of the substance and emergency treatment methods. During transportation, it is necessary to prevent the vehicle from shaking violently such as sudden braking and sharp turns to maintain the stability of the substance.
And transportation route planning should avoid sensitive areas such as densely populated areas and water sources to prevent leakage and cause serious harm to many people and the environment. In this way, the safety and stability of 2% 2C4-difluoro-5-methylthiophenol sodium during storage and transportation can be ensured.