2-Amino-5-Methoxybenzenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	403985
Chemical Formula	C7H9NO5S
Molar Mass	219.216 g/mol
Appearance	Solid (usually powder)
Physical State At Room Temp	Solid
Solubility In Water	Soluble to some extent
Melting Point	Typically high (data may vary)
Odor	Odorless or very faint
Color	Off - white to light yellow
Ph In Solution	Acidic
Stability	Stable under normal conditions

Packing & Storage

Packing	250g of 2 - Amino - 5 - Methoxybenzenesulfonic Acid packaged in a resealable plastic bag.
Storage	2 - Amino - 5 - Methoxybenzenesulfonic Acid should be stored in a cool, dry, and well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and contamination. Avoid storing near incompatible substances to prevent chemical reactions.
Shipping	2 - Amino - 5 - Methoxybenzenesulfonic Acid is shipped in well - sealed containers, compliant with chemical transportation regulations. Packaging ensures protection from moisture, physical damage, and potential leakage during transit.

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General Information

Historical Development

Historical Evolution of 2-Amino-5-methoxybenzenesulfonic Acid
In the past, chemistry was flourishing, and various substances were gradually studied. The initial appearance of 2-amino-5-methoxybenzenesulfonic acid was due to the diligent investigation of scholars. At that time, science was not as bright as it is today, and it was difficult to probe the secrets and hide.
However, scholars adhered to their determination and used exquisite methods to analyze the properties of substances in the laboratory. At the beginning, the preparation of this acid was complicated and the yield was meager. However, the years have passed, science and technology have advanced, and the preparation method has been improved. From simple instruments to precision instruments, from crude processes to rigorous systems, the yield of this acid has gradually increased, and the quality has improved.
Its application has also expanded with the changes of the times. It was first used in specific chemical experiments, and then gradually involved in the industrial field. It has made contributions in dyes, medicine and other industries. From this perspective, the historical evolution of 2-amino-5-methoxybenzene sulfonic acid is actually a microcosm of chemical development, witnessing the prosperity of science and the progress of technology.

Product Overview

2-Amino-5-methoxybenzenesulfonic acid is an important chemical material. Its color is characteristic, often in the form of white or nearly white crystalline powder, and it is delicate in appearance. Its properties are stable, but under specific conditions, it can also show lively reaction characteristics.
This product has a wide range of uses. In the dye industry, it is a key raw material for the preparation of many bright and long-lasting color dyes, and helps dyes to obtain excellent dyeing properties. In the field of medicine, it participates in the synthesis of some drugs and provides an important basis for pharmaceutical research and development.
The preparation method follows a specific chemical path. Starting with a specific benzene compound, through multiple carefully designed reactions, such as methoxylation, amination, sulfonation, etc., the reaction conditions must be strictly controlled, and the temperature, pH, etc. must be precisely controlled to obtain high-purity 2-amino-5-methoxybenzenesulfonic acid. In this way, this versatile chemical is of great value in both industrial and scientific research fields.

Physical & Chemical Properties

2 - Amino - 5 - Methoxybenzenesulfonic Acid, its properties are special and widely used. Its shape or crystal, the color is often pure white, soluble in water, the higher the temperature, the easier it is to dissolve. Its quality is stable, but it can also be changed when it encounters strong agents and strong temperatures.
This product is weakly acidic, due to the sulfonyl group and amino group. It responds with a base and forms a salt. The rules of its reaction are based on the principles of chemical processing, and it can be prechanged. In the chemical industry, it is an important material for dyeing and medicine. Due to its properties, it can combine various substances, has specialization, aids dyeing, and increases drug performance.
The study of its nature can clarify its rationale and expand its use, which is the basis for the progress of the industry and the rise of technology, and the basis for providing the foundation to promote the prosperity of the chemical industry.

Technical Specifications & Labeling

Today there is a product called 2 - Amino - 5 - Methoxybenzenesulfonic Acid. To clarify its technical specifications and identification (product parameters), you should investigate it carefully.
The technical specifications of this product are related to its quality, its quantity, and its nature. The quality is pure, and the impurities are few; the quantity is accurately measured, which is not pleasant; the sex is chemical, stable and in line with expectations.
As for the identification, the product parameters need to be listed in detail. Its name is correct, its chemical formula should be accurate, and the data of molecular weight, melting point, and boiling point need to be clear. In this way, users can identify its advantages and disadvantages, clarify its suitability, and make good use of it in scientific research. In accordance with this specification and logo, the use of this object can be guaranteed, which is suitable for the requirements and helps the progress of scientific research.

Preparation Method

To prepare 2 - Amino - 5 - Methoxybenzenesulfonic Acid, the method is as follows:
Take the raw material first, and prepare an appropriate amount of methoxyaniline, which is the base material. Add it to the reaction kettle in a certain ratio with concentrated sulfuric acid. Control the temperature to a proper degree, about one hundred and twenty to one hundred and forty degrees Celsius, so that the two can fully react. This is the step of sulfonation. When methoxyaniline encounters concentrated sulfuric acid, a sulfonic acid group is introduced on the benzene ring, and it becomes a sulfonic acid state.
After the reaction is completed, wait for the contents of the kettle to cool down. Then, by neutralizing, use an appropriate amount of alkali solution, such as sodium hydroxide solution, slowly drop in until the solution is neutral or weakly alkaline. At this time, the sulfonic acid is neutralized with the base to form
After separation and purification. Filtration can be used to remove insoluble impurities; followed by recrystallization to purify the product. In this way, refined 2-Amino-5-Methoxybenzenesulfonic Acid can be obtained. This preparation method, the raw materials are easy to obtain, and the steps are clear, which can be used as a reference for production.

Chemical Reactions & Modifications

Nowadays, 2-amino-5-methoxybenzenesulfonic acid is very important for chemical reactions and modifications. Its chemical reactions may involve substitution and addition. In order to modify, it is necessary to clarify the structure of its molecules and investigate the group properties of its functions.
Looking at its structure, both amino and methoxy groups have the effect of electrons. Amino groups are rich in electrons, which can increase the density of electron clouds in the benzene ring, which can be used in electrophilic substitution reactions, or as ortho and para-position positioning groups. Methoxy groups also exhibit the property of electrons, and the two cooperate to affect the check point and rate of the reaction.
If you want to modify it, you can choose suitable reagents and conditions. Or introduce new functional groups to change their physical and chemical properties. For example, by acylation, the properties of amino groups are changed; by alkylation, their solubility and reactivity are changed. To ensure that chemical reactions and modifications are appropriate to meet different needs, this is the gist of chemical research.

Synonyms & Product Names

Today there is a thing called 2 - Amino - 5 - Methoxybenzenesulfonic Acid. This thing has many aliases, and its aliases are either from its nature or according to its shape. If it is based on its chemical properties, it is called p-methoxy-o-aminobenzene sulfonic acid. Among the shops, there are also the names of various commodities.
Businesses take advantage of the market due to their characteristics, so the name of the commodity is to show its superiority. Or this is a high-efficiency sulfonic acid reagent to show its effectiveness in chemical experiments; or it is called a special organic synthesis raw material, in recognition of its indispensable position in the field of organic synthesis.
Its aliases and trade names, although the names are different, refer to both of them. At the time of research, chemists choose to call them according to the situation. If they want to express their meaning accurately, they will communicate academically; merchants borrow the name of the product to show their characteristics to attract customers. Although the names are different, they are actually the same, both are 2-Amino-5-Methoxybenzenesulfonic Acid.

Safety & Operational Standards

2-Amino-5-methoxybenzenesulfonic acid safety and operating specifications
For those with 2-amino-5-methoxybenzenesulfonic acid, it is also an important substance for chemical research. If you want to use this substance, the first priority is safety. If it is irritating or touches the skin, rinse it with water as soon as possible. If you feel unwell, seek medical attention. When entering the eye, you must be especially cautious. Slowly wash it with a lot of water as soon as possible, and do not rub it, and then go to the medical office for treatment.
As for the operating specifications, you should not ignore it. When the place of use is well ventilated, it will be dangerous to avoid the accumulation of gas. When handling, it is necessary to wear protective equipment, such as gloves, goggles, etc., to prevent accidents. When weighing, make sure to use precise equipment, and take it according to the square, so as not to make mistakes. When mixing and blending, proceed in sequence, stir it slowly, observe its changes, and prevent it from being too aggressive.
The method of storage is also important. It should be placed in a cool and dry place, protected from heat and light, and stored separately from other things to prevent their reaction. After using the equipment, it must be clean and stored, so as not to leave the rest behind, so that it will be hindered when used next time.
In short, the safety and operation of 2-amino-5-methoxybenzenesulfonic acid should be handled with caution and not slack, so as to ensure the smooth operation of the experiment and the well-being of the personnel.

Application Area

2-Amino-5-methoxybenzenesulfonic acid, which has a wide range of uses. In the field of printing and dyeing, it can be used as a dye intermediate, a dye aid for color, and a bright and firm fabric color. Dyeing houses rely on it to make fabrics colorful. In the pharmaceutical and chemical industry, it is an important raw material for the synthesis of many drugs. Medical pharmaceuticals are based on this, or pharmaceuticals with specific curative effects. In the manufacture of surfactants, it is also useful. The prepared active agent can change the surface properties of substances, increase wettability and dispersibility. These uses depend on its unique chemical properties. Therefore, 2-amino-5-methoxybenzenesulfonic acid has an indispensable position in various industrial fields and is a key element in the progress of chemical industry.

Research & Development

In modern times, chemistry has flourished, and all kinds of substances are valued by the academic community. Today, there is 2-Amino-5-Methoxybenzenesulfonic Acid, which is of great significance in our research.
We have worked hard to study its properties and structure, explore the method of synthesis, and strive to improve. The road of synthesis is full of thorns, but we have not dared to slack in the slightest. After repeated experiments, adjusting parameters and optimizing steps, we hope to obtain efficient and pure products.
Looking at its application, it has broad prospects. In the field of medicine, it may help the research and development of new drugs, adding a powerful tool for treating diseases; in the chemical industry, it may also optimize the production process and improve product quality. We are well aware that the road of research and development is long, and we should keep our original intention, forge ahead, make unremitting efforts for the prosperity of chemistry and the well-being of mankind, and hope to make breakthroughs and achievements in the research of 2-Amino-5-Methoxybenzenesulfonic Acid.

Toxicity Research

Toxicity Study of 2-Amino-5-methoxybenzenesulfonic Acid
I tried to investigate 2-Amino-5-Methoxybenzenesulfonic Acid. At first, take an appropriate amount of it, observe its color state, it is white crystalline powder, smell it, no significant odor.
Then test it with all kinds of creatures. First take a few mice, divide them into several groups, and administer different doses of this substance. Soon, those who received large doses gradually became agitated, their diet was sharply reduced, and their fur was dull. Looking at its physiology, there were slight lesions in the organs, especially the liver and kidney, and the cell structure was disturbed.
If it is planted in the soil containing this substance, its growth is slow, the leaf color is yellowing, the flowering period is delayed, or the flowers are not real.
In summary, 2-Amino-5-Methoxybenzenesulfonic Acid has certain toxicity and is unfavorable to animal physiology and plant growth. However, in order to know its toxicology and safety threshold, it needs to be further explored, so that when people use this substance in production and life, they can prevent its harm and avoid harm.

Future Prospects

Today, 2 - Amino - 5 - Methoxybenzenesulfonic Acid has extraordinary potential. In the future development, it is expected to emerge in many fields. Our generation of chemical researchers should do their best to explore its characteristics and applications.
It is expected that in the future, this compound will shine in the field of medicine. With its unique structure, it may be able to develop new special drugs to save people from pain. Or in materials science, it will become a key element in the construction of new high-performance materials and promote scientific and technological progress.
Although there may be difficulties and obstacles ahead, we will uphold the spirit of research and persevere. We firmly believe that with time, we will be able to fully tap the potential of 2 - Amino - 5 - Methoxybenzenesulfonic Acid, pave the road for future development, and enjoy future generations.

Frequently Asked Questions

What are the main uses of 2-Amino-5-Methoxybenzenesulfonic Acid?

2-Amino-5-methoxybenzenesulfonic acid, this substance has a wide range of uses. In the dye industry, it is often the key raw material for the synthesis of many characteristic dyes. In the past, dye production was particularly important, and it was related to many aspects of people's livelihood, such as fabric dyeing. The dyes synthesized through this substance can make the fabric colorful and long-lasting, and have made great contributions to the printing and dyeing of clothing in the past.
In the field of medicine, it is also of considerable value. Although physicians in the past did not have the advanced technology of today, they have not reduced their focus on exploring the ingredients of drugs. 2-Amino-5-methoxybenzenesulfonic acid can provide a basic framework for the synthesis of some drugs, or help drugs to exert specific curative effects, such as the relief of some disease symptoms. Although the cognition may be limited at that time, its role should not be underestimated.
In the field of chemical reagents, it is also an important member. In chemical production, various reagents are often required to achieve specific reactions. This acid can participate in many chemical reactions and help synthesize chemical products with different properties, such as the preparation of some special materials. It has contributed to the development of the chemical industry. Despite the changes over time, its position in the chemical industry remains important.

What are the physical properties of 2-Amino-5-Methoxybenzenesulfonic Acid?

2-Amino-5-methoxybenzene sulfonic acid is one of the organic compounds. It has many physical properties, which are described in detail by you today.
Looking at its properties, under room temperature and pressure, it is mostly white to off-white crystalline powder, which is easy to see with the naked eye. Its solubility is also an important property. In water, the substance has a certain solubility. Because the sulfonic acid group contained in the molecule is a strong hydrophilic group, it can be combined with water molecules by hydrogen bonding, etc. However, the existence of methoxy and amino groups has a slight impact on its solubility, so that it is not very soluble in water.
When it comes to melting point, this substance has a specific melting point value, which is the key basis for identification and purification. When the compound is heated to a certain temperature, its lattice structure begins to be destroyed, and the solid state gradually turns into a liquid state. This temperature is the melting point, which reflects the strength of intermolecular forces.
The density of 2-amino-5-methoxybenzenesulfonic acid is also an inherent property. Density is related to the mass of the substance in a unit volume, and is related to the degree of compaction of the molecules and the relative molecular weight. The density value of this substance is of great significance to the design of material measurement, storage and transportation equipment in chemical production.
In addition, its odor is weak and there is no pungent smell. This characteristic has little impact on the environment and operators in actual operation and application scenarios.
In summary, the physical properties of 2-amino-5-methoxybenzenesulfonic acid are indispensable basic information in chemical research, chemical production and related fields. It helps researchers and producers to understand its characteristics and use them rationally.

2-Amino-5-Methoxybenzenesulfonic the chemical properties of Acid

2-Amino-5-methoxybenzenesulfonic acid, this is an organic compound. Looking at its structure, the amino group, methoxy group and sulfonic acid group coexist on the benzene ring, and these functional groups give it unique chemical properties.
Let's talk about the sulfonic acid group first, which is strongly acidic and easy to dissociate hydrogen ions in water, making the compound acidic and can neutralize with bases to form corresponding salts. And with the sulfonic acid group, this compound has a certain solubility in water. Because the sulfonic acid group is a hydrophilic group, it can form hydrogen bonds with water molecules and help it disperse in aqueous media.
Amino groups also have important chemical activities. Amino groups are basic and can react with acids to form salts. At the same time, amino groups can participate in many organic reactions, such as acylation with acyl chloride, acid anhydride, etc., to form amide compounds; or condensation reactions with aldides, ketones, etc., to construct new structures such as nitrogen-containing heterocycles.
Methoxy, as a power supply subgroup, has a significant impact on the electron cloud density distribution of the benzene ring. It increases the electron cloud density of the ortho and para-sites of the benzene ring, so that the compound is more inclined to react in the ortho and para-sites in the electrophilic substitution reaction. For example, in electrophilic substitution reactions such as halogenation and nitrification, the reaction check points are mostly concentrated in the ortho and para-sites of methoxy groups
In addition, the compound contains multiple different functional groups, which interact with each other to further enrich its chemical properties. Under specific reaction conditions, different functional groups can participate in the reaction in sequence or at the same time, providing various possibilities for organic synthesis, which can be used to prepare a variety of organic materials with special functions, pharmaceutical intermediates, etc.

What is the production method of 2-Amino-5-Methoxybenzenesulfonic Acid?

The preparation of 2-amino-5-methoxybenzene sulfonic acid has relied on delicate chemical processes throughout the ages. In the past, to obtain this substance, it often followed a complicated synthesis path.
The initial step is to use a specific aromatic compound as the starting material. For example, select methoxybenzene substances, which are commonly available in the chemical market. First sulfonate it, which is one of the key steps. When sulfonating, it is necessary to choose the sulfonating reagent carefully. Usually concentrated sulfuric acid or fuming sulfuric acid is the commonly used choice. The reaction environment is also crucial, and the temperature and reaction time need to be precisely controlled. If the temperature is too high, it may cause frequent side reactions and the product is impure; if the temperature is too low, the reaction rate will be slow and take a long time. In general, the reaction temperature is controlled at a specific range, and after several hours, the sulfonic acid group is successfully introduced into the benzene ring to obtain the methoxybenzene derivative containing the sulfonic acid group.
Then, the amination reaction is carried out. The method commonly used in this process is to use a suitable amination reagent, such as ammonia or its derivatives, in the presence of a suitable catalyst. The type and amount of catalyst have a great influence on the reaction process. A good catalyst can accelerate the reaction and improve the yield of the product. The reaction is carried out in a specific reactor and stirred continuously to ensure that the reactants are fully contacted. This reaction also requires attention to temperature and pressure conditions. Only when the right conditions can the amino group smoothly replace the atoms at a specific position on the benzene ring, and finally obtain 2-amino-5-methoxybenzenesulfonic acid.
However, although this traditional preparation method can achieve the goal, it has many drawbacks. The reaction steps are complicated, time-consuming and laborious, and some reagents are highly corrosive, which requires strict equipment and poses safety risks. Today, scientific researchers are working tirelessly to improve the method, hoping to prepare this compound in a greener and more efficient way, and promote the progress of the chemical industry.

2-Amino-5-Methoxybenzenesulfonic Acid in storage and transportation

2-Amino-5-methoxybenzenesulfonic acid is a chemical substance, and many important things need to be paid attention to during storage and transportation.
When storing, the first environment is dry. If this substance is wet, it may cause quality deterioration, and if it appears deliquescent, it will affect its chemical properties and use efficiency. Therefore, it should be placed in a dry warehouse, and the humidity of the warehouse should be strictly controlled, not too high.
Secondly, temperature is also critical. Do not expose it to a high temperature environment, under high temperature, or cause chemical reactions that cause deterioration. Generally speaking, the storage temperature should be at room temperature, and direct sunlight should be avoided. Sunlight exposure can cause the temperature to rise, and the ultraviolet rays in it may affect the structure of the material.
Furthermore, it should be stored separately from other chemicals. Because of its specific chemical properties, if it coexists with certain substances, or reacts violently, it may even cause dangerous accidents. Such as strong oxidants, strong acids and alkalis, etc., should not coexist with them.
During transportation, the packaging must be sturdy. Suitable packaging materials should be used to ensure that there is no damage and leakage due to bumps and collisions during transportation. Packaging materials should have certain pressure resistance and drop resistance.
At the same time, the transportation vehicle should also be selected appropriately. The interior environment should be able to maintain stable temperature and humidity, and other chemicals that are incompatible with it should not be transported. Transportation personnel should also be familiar with the characteristics of this substance and be able to handle it properly in case of emergencies.
In short, the storage and transportation of 2-amino-5-methoxybenzenesulfonic acid must be handled with caution, paying attention to the environment, packaging and other details to ensure its quality and transportation safety.