6-Amino-4-Nitrophenol-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	504945
Chemical Formula	C6H6N2O6S
Molecular Weight	234.19 g/mol
Appearance	Yellowish - brown powder
Solubility In Water	Slightly soluble
Pka Value	Variable depending on acidic groups
Melting Point	Decomposes before melting
Hazardous Nature	Harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	250g of 6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid packaged in a sealed plastic bag.
Storage	6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat, flames, and oxidizing agents. Store in a tightly closed container to prevent moisture absorption. Separate from incompatible substances like strong acids and bases to avoid reactions that could lead to decomposition or safety hazards.
Shipping	6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid is shipped in well - sealed containers, compliant with chemical transport regulations. Special care is taken to prevent exposure, with appropriate labeling indicating its hazardous nature.

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General Information

Historical Development

6-Amino-4-nitrophenol-2-sulfonic acid is one of the chemical products. The research and development process of its products was rarely heard in the past. At the beginning, the academic community knew little about such compounds, and the road to research and development was full of thorns.
At that time, all kinds of technologies were not mature, and the research progress was slow. However, chemists adhered to their perseverance and made unremitting explorations. After years of research, they gradually gained a clear understanding of its molecular structure and chemical properties.
With the passage of time, the technology has advanced day by day, the synthesis method has been improved, and the yield has gradually increased. From the initial difficult exploration, to now the process has gradually improved, 6-amino-4-nitrophenol-2-sulfonic acid has emerged in the chemical industry, and its use has become increasingly extensive, contributing to the development of many industries.

Product Overview

6-Amino-4-nitrophenol-2-sulfonic acid, this is the chemical I recently studied. Its color is light yellow, powder-like, and has a slightly special smell.
This product plays a crucial role in the field of dye preparation. Its unique chemical structure, the ingenious combination of 6-amino, 4-nitro and 2-sulfonic acid groups, gives it excellent dyeing properties. After many experiments, it was found that under specific conditions, it can be tightly combined with many fiber materials, making the dyeing firm and bright.
However, the preparation of this product is not easy, and precise control of reaction conditions such as temperature, pH and reaction time is required. A slight deviation may affect the purity and performance of the product. In the future, I will continue to study and optimize the preparation process to improve the quality and output efficiency of this chemical, so that it can better serve related industries.

Physical & Chemical Properties

6-Amino-4-nitrophenol-2-sulfonic acid, with unique physicochemical properties. Its color may be light, but it looks like a light silk dye. The quality is often fine powder, and it feels like a slippery sand to the touch.
On its fusibility, it gradually melts when heated, just like spring ice when warm, quietly forming at a specific temperature. It is slightly soluble in water, like a light boat in waves, and some can be mixed with water.
And this substance may change subtly under light, and its chemical activity is also apparent, just like a spirit hidden in the dark, and it can be developed when an opportunity arises. Its various materialized qualities are the focus of our study, hoping to explore its subtleties and clarify its mysteries, so that they can be used for various matters and increase the benefits of the world.

Technical Specifications & Labeling

Technical specification and labeling of 6-amino-4-nitrophenol-2-sulfonic acid (commodity parameters)
Fu 6-amino-4-nitrophenol-2-sulfonic acid is an important chemical product. Its technical regulations, the choice of the first heavy raw materials, must carefully select high-quality phenols, nitro compounds, etc., to maintain the purity of the root. The control of the reaction, temperature, duration, and ratio are all key. The temperature should be constant at moderate, the time needs to be accurate, and the mixing must be appropriate, so as to promote a smooth reaction and a high yield.
As for the identification, the commodity parameters must be clear. Appearance color, purity value, impurity limit, all should be detailed. The color should be correct, the purity should be high, and the impurities must be less, which is the proof of quality. In this way, the industry can operate according to it, and the user can identify it according to it, so as to achieve the goodness of chemical production and the excellence of product quality.

Preparation Method

Preparation method of 6-amino-4-nitrophenol-2-sulfonic acid (raw materials and production process, reaction steps, catalytic mechanism)
To prepare 6-amino-4-nitrophenol-2-sulfonic acid, prepare raw materials. Take an appropriate amount of phenol and sulfonate it with sulfuric acid to obtain phenol sulfonic acid. Following nitrification with nitric acid, this step needs to be moderately controlled to prevent side reactions. After obtaining 4-nitrophenol-2-sulfonic acid, the nitro group is reduced with iron powder or sulfide base to obtain 6-amino-4-nitrophenol-2-sulfonic acid.
During the reaction process, the concentration, dosage and reaction time of sulfuric acid during sulfonation are all critical and should be precisely controlled. During nitration, the strength of nitric acid and the rate of drip acceleration cannot be ignored, so that the reaction is orderly. Reduction steps, select the appropriate reducing agent, adjust the reaction conditions, and promote nitro-to-amino. The catalytic mechanism depends on the reaction characteristics of each step, and the catalyst optimizes the path, yield and purity. According to this process, this product can be obtained.

Chemical Reactions & Modifications

A researcher of Japanese chemical, tried to study the chemical reaction and modification of 6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid. This substance is quite important in various fields of industry, but the characteristics of its chemical reaction and the method of modification are still much to be explored.
When viewing its chemical reaction, it often depends on the specific temperature, pressure and catalytic agent. However, the traditional method, the efficiency is not high, and the secondary reaction is present, so the purity and yield of the product are affected.
In order to modify, try various new techniques. Or change the corresponding conditions, or choose another kind of catalysis, in order to make the chemical reaction smoother and the product better.
After repeated experiments, some gains have been made. The new method can increase the speed of response, reduce the generation of side effects, and improve the purity and yield of the product. This is really beneficial to industrial production, which can reduce costs and increase efficiency. It also makes this chemical more competitive in the market, which is expected to promote the development of the industry.

Synonyms & Product Names

6-Amino-4-nitrophenol-2-sulfonic acid, the nickname and trade name of this substance, is related to the importance of chemical research. There may be a variety of aliases, due to academic habits and regional differences. In chemical classics, or there are those who call it a specific name, this name is known to everyone within a specific academic context.
As for the trade name, merchants will also take a unique name in order to recognize its characteristics and uses. Or focus on its excellent performance in a specific chemical reaction, or because it has significant advantages in a certain type of industrial production, so it is named after a suitable product. Such as ancient prescriptions, each has its own name, depending on the processing and efficacy. The nickname and trade name of this chemical are also reasonable, allowing researchers and users to identify and apply it in different contexts.

Safety & Operational Standards

6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid
6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid is a commonly used substance in chemical research. In order to ensure the safety and smooth progress of the experiment, it is necessary to understand its safety and operation specifications.
In terms of safety, this substance has certain potential hazards. It may cause irritation to the human body, contact with the skin or cause discomfort, and even cause allergic reactions. If inhaled inadvertently, it may affect the respiratory tract and damage health. Therefore, protective measures are essential during operation. Experimenters should wear protective clothing, such as lab clothes, to block their contact with the skin. At the same time, wear protective gloves to prevent direct contact with the skin of the hands. Masks and goggles are also indispensable. Masks can avoid inhaling their dust or volatiles, and goggles can protect the eyes from accidental splashing.
As far as operating specifications are concerned, when taking this substance, it must be done in a well-ventilated place. Ventilation equipment can disperse volatile gases in time and reduce the concentration of harmful substances in the air. Use accurate measuring tools to ensure accurate dosage, avoid improper dosage affecting the experimental results, and prevent safety hazards caused by excessive use. After the experiment is completed, properly dispose of the remaining substances and waste, and do not discard them at will. It should follow relevant regulations and follow specific procedures to prevent environmental pollution.
In addition, for storage, 6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid should be kept in a dry, cool place, away from sources of ignition and oxidants, to prevent dangerous reactions.
In short, the safety and operation specifications of 6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid should be strictly followed to achieve the experimental purpose, while ensuring the safety of the experimenter and the safety of the environment.

Application Area

6-Amino-4-nitrophenol-2-sulfonic acid, this compound has a wide range of uses. In the field of dyeing and weaving, it can be used as a dye intermediate to help dye brilliant colors, make fabrics colorful and have good color fastness. In the field of pharmaceutical research and development, it can help synthesize specific drugs, and by virtue of its own chemical structure characteristics, participate in the construction of pharmaceutical active ingredients, or have potential effects on the treatment of certain diseases. In the field of chemical analysis, it can be used as an analytical reagent to achieve accurate detection and determination of certain components by its reaction with specific substances. It shows unique value in many application fields and contributes to the development of related industries. Just like masonry in Guangsha, it is indispensable and plays an important role in industrial production and scientific research.

Research & Development

In recent years, I have dedicated myself to the research of 6 - Amino - 4 - Nitrophenol - 2 - Sulfonic Acid. This compound has unique properties and is widely used, and has potential value in many fields.
At the beginning, I explored the method of its synthesis. After repeated experiments, I tried various paths, or it was discarded due to harsh conditions and low yield, or it was difficult to remove impurities. However, I was not discouraged, and I studied ancient books and referred to the cutting edge, and finally obtained a feasible method. With a certain raw material, after specific reaction steps, under precise control conditions, a relatively pure product can be obtained.
The method of synthesis has been obtained, and its properties have been restudied. Observe its chemical activity, react with various reagents, and observe its laws in detail. Its physical properties, such as melting point, solubility, etc., have been recorded.
Today, this research has been achieved. However, we know that the road ahead is still far away, and we need to make efforts in application expansion, hoping to make it widely used in industry, medicine and other fields, and used by the world, in order to achieve the grand vision of research and development.

Toxicity Research

6-Amino-4-nitrophenol-2-sulfonic acid. I am worried about the toxicity of this substance, so I will try my best to study it.
Examine its properties in detail and test it with ancient methods. Take a little and put it in various objects to observe its change. Blend with water and observe its diffusion; combine with other agents and see it change.
After years of research, some results have been obtained. When this substance is highly concentrated, it is harmful to various micro-substances. If the organism touches it by mistake, there may be a risk of damage. Its poison can cause stagnation of vitality and even endanger life.
Although the research is not complete, the general idea is already known. In the future, we should be more diligent and explore the details in order to clarify the harm, find solutions, and protect the well-being of everyone and avoid the disturbance of poison.

Future Prospects

6-Amino-4-nitrophenol-2-sulfonic acid, this is the chemical substance I have dedicated myself to studying. In today's world, although there is a certain understanding, there are still endless expectations for its future development.
We expect that this substance may shine in the field of materials in the future. Because of its unique chemical structure, it may be cleverly modified to make new materials with special properties, playing a key role in high-end fields such as aerospace. In addition, it also has potential uses in pharmaceutical research and development. In-depth investigation of its pharmacological properties may find new ways to overcome difficult diseases. Although there are many difficulties and obstacles ahead, I firmly believe that with unremitting research and exploration, we will be able to uncover more mysteries, contribute to the progress of mankind, and make the future more colorful.

Frequently Asked Questions

What are the main uses of 6-Amino-4-Nitrophenol-2-Sulfonic Acid?

6-Amino-4-nitrophenol-2-sulfonic acid, this is an important organic compound with a wide range of uses.
In the dye industry, this compound plays a key role. Due to its specific chemical structure and properties, it can be used as a key intermediate in the synthesis of many types of dyes. With its functional groups such as amino, nitro and sulfonic acid groups in its structure, it can construct colorful and excellent dye molecules through a series of chemical reactions, which can be used in the dyeing process of fabrics, leather and other materials, giving these materials brilliant color and good color fastness.
In the field of medicine, 6-amino-4-nitrophenol-2-sulfonic acid also shows certain value. Its unique chemical properties may provide novel ideas and basic structures for drug development. Researchers can modify and modify the structure of this compound to explore its potential biological activity, and then develop drugs with specific pharmacological effects, such as antibacterial, anti-inflammatory and other drugs.
In addition, it can also be used as a functional additive in the preparation of some chemical products. For example, in the manufacture of some special papers, the addition of this compound may improve the optical properties and chemical stability of the paper, so that the paper has more unique properties to meet the special needs of paper in specific fields.
In summary, 6-amino-4-nitrophenol-2-sulfonic acid has indispensable uses in the manufacture of dyes, pharmaceuticals and some chemical products, and plays an important role in promoting the development of related industries.

What are the physical properties of 6-Amino-4-Nitrophenol-2-Sulfonic Acid?

6-Amino-4-nitrophenol-2-sulfonic acid is a kind of organic compound. Its physical properties are quite different and have unique characteristics.
Looking at its appearance, it often shows a crystalline powder appearance like white to light gray. This state is easy to identify and is also different from the appearance of many similar compounds. Its light color reflects the characteristics of molecular structure. This appearance characteristic is particularly important in the preliminary identification of compounds.
When it comes to solubility, 6-amino-4-nitrophenol-2-sulfonic acid can have a certain solubility in water. This is because the molecule contains a sulfonic acid group, which is hydrophilic and can interact with water molecules to form hydrated ions or molecules, causing it to be soluble in water. However, its solubility is not infinite, and it is restricted by factors such as temperature and pH of the solution. When the temperature increases, the solubility can generally increase; and the change of the pH of the solution may affect the dissociation state of the molecule, which in turn has a significant impact on the solubility.
Furthermore, the melting point is also an important physical property of this compound. The melting point of this compound is relatively high, reflecting the strength of the intermolecular forces. Interactions such as hydrogen bonds and van der Waals forces in the molecule maintain the stability of the crystal structure. A higher temperature is required to destroy this structure, so that the compound can change from a solid state to a liquid state. The exact value of the melting point is a key indicator for identifying the purity and characteristics of the compound.
In addition, density is also a consideration. Its density is specific, which is related to the space occupied by the compound in practical application and the quality relationship. This physical property is of great significance in material measurement, reaction system design, etc., and can help chemists accurately plan experiments and production processes.
In summary, the physical properties of 6-amino-4-nitrophenol-2-sulfonic acid are related in various aspects, from appearance, solubility, melting point to density, and together describe the characteristics of this compound, laying the foundation for its research and application in the field of chemistry.

6-Amino-4-Nitrophenol-2-Sulfonic the chemical properties of Acid

6-Amino-4-nitrophenol-2-sulfonic acid, this is an organic compound. Its properties are quite unique, let me tell you in detail.
This substance is acidic, because it contains a sulfonic acid group, this group is easy to release hydrogen ions, which can appear acidic in water and can neutralize with alkali substances. For example, when it encounters sodium hydroxide, the sulfonic acid group will combine with hydroxide ions to form corresponding salts and water.
The amino group of 6-amino-4-nitrophenol-2-sulfonic acid has a certain alkalinity. Although the alkalinity is weak, it can also react with acids under specific conditions. For example, when reacting with hydrochloric acid, the amino group can bind hydrogen ions to form positively charged ions.
And its nitro group is a strong electron-absorbing group, which will affect the electron cloud distribution of the benzene ring, reducing the electron cloud density of the benzene ring and weakening the electrophilic substitution reaction activity of the benzene ring. However, this also makes the electron clouds of hydroxyl groups and amino groups connected to it more biased towards the benzene ring, and the activity of hydroxyl hydrogen is enhanced, and the acidity is slightly improved.
Furthermore, the hydroxyl group in this compound can participate in many reactions, such as interacting with acid chloride or acid anhydride, and can undergo esterification reaction to form corresponding ester compounds.
Because its structure contains a variety of functional groups, different functional groups interact with each other, so that 6-amino-4-nitrophenol-2-sulfonic acid has a wide range of uses in the field of organic synthesis. It can be used as an intermediate and converted into other more complex organic compounds through various reactions. In short, its chemical properties are rich and diverse, and it is of great significance in many aspects of chemical industry and organic synthesis.

What is the production method of 6-Amino-4-Nitrophenol-2-Sulfonic Acid?

The preparation method of 6-amino-4-nitrophenol-2-sulfonic acid, although the ancient chemical book "Tiangong Kaiwu" does not describe this substance in detail, it can be deduced according to its chemical principle and traditional chemical wisdom.
Such compounds were prepared in the past, or phenols were first started. Phenols have an active phenolic ring structure and are prone to substitution reactions. Take phenol and sulfonate it to introduce the sulfonic acid group (-SOH) into a specific position in the phenyl ring. This step requires careful selection of sulfonation reagents, such as concentrated sulfuric acid or fuming sulfuric acid, and control of the reaction temperature and time, so that the sulfonic acid group can be connected at the ortho or para-position. To obtain 6-amino-4-nitrophenol-2-sulfonic acid, the sulfonic acid should be connected at the ortho-position of the phenolic hydroxyl group to form 2-sulfonic acid-phenol.
Then, perform nitrification. Concentrated nitric acid and concentrated sulfuric acid are mixed to form a mixed acid, and phenol containing sulfonic acid groups is slowly added. Nitric acid is catalyzed by sulfuric acid to produce nitroyl positive ions (NO. The reaction conditions are controlled so that the nitro group is connected to the phenolic hydroxyl group to obtain 4-nitro-2-sulfonic acid phenol.
Finally, the amino group is substituted. The method of diazonium reduction can be borrowed. First, 4-nitro-2-sulfonic acid phenol interacts with sodium nitrite and hydrochloric acid to form a diazonium salt. This diazonium salt is abnormally active, and then treated with suitable reducing agents, such as stannous chloride and sodium sulfite, the diazonium group is converted into an amino group, and finally 6-amino-4-nitrophenol-2-sulfonic acid. Each step requires fine regulation of the reaction conditions to ensure that the reaction proceeds in the expected direction in order to obtain this compound.

6-Amino-4-Nitrophenol-2-Sulfonic Acid should pay attention to when storing and transporting

6-Amino-4-nitrophenol-2-sulfonic acid is one of the chemical substances. During storage and transportation, more attention should be paid to ensure safety.
First words storage. This substance should be stored in a cool, dry and well-ventilated place. Because of the cool environment, it can avoid high temperature causing its properties to change or cause dangerous reactions. Dry places can protect it from moisture and damage its quality due to moisture or adverse reactions such as hydrolysis. Good ventilation can disperse harmful gases that may accumulate in time to prevent endangering the environment and personal safety. And should be stored separately from oxidants, acids, bases, etc., and should not be mixed. If these substances come into contact with 6-amino-4-nitrophenol-2-sulfonic acid, or cause violent chemical reactions, there is a risk of explosion. The storage area also needs to be equipped with suitable materials to contain leaks in order to deal with the situation in case.
Second talk about transportation. When transporting, the packaging must be tight. It must be ensured that the packaging is not damaged or leaked, and it must be firmly packed to resist the bumps and vibrations during transportation. The transportation vehicle should also be clean and dry, and it should be equipped with good rain protection and sun protection facilities. Rainproof can protect it from rain erosion, and sun protection can prevent it from thermal decomposition caused by direct sunlight. During transportation, drivers and escorts must be familiar with the characteristics of this substance and emergency disposal methods. In case of emergencies, it can respond quickly and correctly to reduce the harm. At the same time, the transportation route should avoid densely populated areas and traffic arteries, and choose a safe route to reduce the potential threat to the public.