4-Nitro-2-Aminophenol-6-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	967084
Chemical Formula	C6H6N2O7S
Molar Mass	234.187 g/mol
Appearance	Yellow - brown crystals or powder
Solubility In Water	Slightly soluble
Melting Point	Decomposes
Pka	Multiple values depending on acidic groups
Density	Data may vary
Odor	Odorless or faint odor
Stability	Stable under normal conditions but may decompose on heating
Hazard Class	May be harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	25 - kg bags of 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, well - sealed for chemical protection.
Storage	4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, ignition sources, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and potential reactions. Avoid storing near incompatible substances to ensure safety and maintain chemical integrity.
Shipping	4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid should be shipped in well - sealed, corrosion - resistant containers. Ensure compliance with hazardous chemical shipping regulations, protecting it from heat, moisture, and potential physical damage during transit.

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General Information

Historical Development

Guanfu 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid originated in the past when the chemical industry was booming. At that time, the research of various scholars made unremitting efforts to seek new things. At the beginning, in the laboratory, after repeated trials, the prototype of this compound was obtained.
With the passage of time, technology has gradually become more and more intelligent, and its understanding has also deepened. In the process of industrial evolution, its preparation method has changed from crude to sophisticated, and the output has gradually increased. From the beginning, it was only used for a few studies, and later it was widely used in various industries, such as the manufacture of dyes, the research of medicine, etc.
Looking at its historical development, it is actually the result of the cohesion of countless talents. It started from the beginning and eventually became an indispensable item in the chemical industry. It has far-reaching significance for human life and industrial progress.

Product Overview

4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid is a special compound. Its color is light and its shape is like a fine powder. It has active chemical properties and is widely used in various fields of chemical industry.
This compound contains nitro, amino and sulfonic acid groups. Nitro increases its reactivity, amino groups give it specific binding ability, and sulfonic acid groups make it have good water solubility. When
is prepared, it is often obtained by the method of fine chemistry through several steps of reaction. The reaction conditions need to be precisely controlled, such as temperature, pH and reaction time, which have a great impact on the purity and yield of the product.
In industry, it can be used as a dye intermediate to produce brilliant dyes through a series of reactions, which are used in fabric dyeing, etc. Or it has potential applications in pharmaceutical synthesis, providing key raw materials for the creation of new drugs. Its unique structure and properties make researchers continue to explore the possibility of more applications in chemical industry and scientific research.

Physical & Chemical Properties

In the case of 4-nitro-2-aminophenol-6-sulfonic acid, the chemical properties of its substances are of paramount importance. Looking at its properties, it is often in the state of powder, color or light yellow.
In terms of its solubility, it has a certain degree of solubility in water, which is crucial for its reaction and application in the liquid phase. In terms of thermal stability, it can only change significantly when heated to a certain extent, but the specific temperature still needs to be studied in detail.
Its chemical activity is also worth exploring. The presence of nitro groups, amino groups and sulfonic acid groups in the molecule makes it uniquely reactive. In case of specific reagents, various reactions such as substitution and condensation can occur.
It is also acidic and alkaline, and the sulfonic acid group makes it acidic. In many acid-base systems, it can participate in the reaction and affect the chemical equilibrium of the system.
All these physical and chemical properties are the cornerstone for in-depth understanding of this compound and expanding its application in various fields.

Technical Specifications & Labeling

4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid is an important chemical substance, and its technical specifications and labeling (product parameters) need to be discussed in detail.
Technical specifications of this substance, the first component is pure. The impurities it contains should be strictly controlled to a very low degree to ensure high quality. In terms of properties, it should have a specific color and state, such as uniform color and stable morphology.
On the label, the name of the product should be stated, that is, 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, which cannot be wrong. Key parameters such as purity geometry and molecular weight should also be marked. The packaging label should also be properly preserved to prevent deterioration and damage, so that users can clearly understand and protect the characteristics and functions of this product.

Preparation Method

To prepare 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, the method is as follows: Prepare all kinds of raw materials first, and choose the pure one as the best. Based on phenols, mix with the nitrate-containing agent at an appropriate temperature according to a specific amount. Control its heat, so that it can be responded slowly, this is the essence of the reaction. During this time, observe its shape to prevent deviation. To be formed from nitrides, meet with sulfur-containing agents, adjust its acidity and temperature, and control it to a precise degree, so that the sulfonation should proceed in an orderly manner.
The process of formation, the system of equipment is also heavy. Choose a strong and corrosion-resistant device to keep it airtight. Set up a temperature control device to keep the temperature constant. There is also a stirring machine, so that all things are uniform, and should be quick and complete. After the reaction is completed, it is filtered, washed, and dried to obtain a pure product. According to this method, with caution, you can get good products.

Chemical Reactions & Modifications

Recently, it is very important to study the chemical and reverse modification of 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid. The properties of this compound are related to the development of chemical and chemical processes.
Its chemical and reverse properties, or it involves nuclear substitution and oxidation of the original. However, it often encounters difficulties, such as harsh parts, and the rate is not ideal. And the way of modification is not smooth.
If you want to improve, you must study the theory and reverse the process. If you want to control and catalyze, you can promote the reaction, improve the rate and change its properties. You can also start with molecules to increase its active groups, in order to improve the performance. All these researchers are diligent in their research, and they have made breakthroughs in the chemical and anti-modification of this compound in order to improve the industry.

Synonyms & Product Names

4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, also known as p-nitro-o-aminophenol sulfonic acid. In the field of chemical industry, there are many other names. In the past, the Fang family gave many synonymous names for its characteristics and uses.
In ancient books, it may be called for its color, nature and use. Because of its nitro, amino and sulfonic acid groups, it has unique properties. In the past, in workshops, craftsmen or because of their work in dye synthesis, called "dye Yuanbao phenol", which highlights its importance in the dyeing industry raw materials. And because of its yellowish color, it often has specific changes in the reaction, and it is also known as "yellow acid".
In order to recognize its characteristics and facilitate promotion, merchants have named it to highlight its advantages. Or the name "excellent color sulfonol", which means that the dyes made with it have excellent color. Or the name "stabilized nitrophenol", which means that its chemical properties are stable and reliable in production and application. All synonymous names and trade names have passed through the years and are contained in the history of chemical industry.

Safety & Operational Standards

4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid Code of Safety and Operation
Husband 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid is an important substance in chemical research. If you want to use this product, safety is the first priority, and the operation must follow the specifications to be safe.
In terms of safety, this product may be dangerous. When storing it, keep it in a cool, dry and well-ventilated place away from fire and heat sources. If exposed to high temperatures, it may be dangerous. When handling, be careful to prevent package damage and leakage. In the event of a leak, it should be dealt with promptly according to the established method.
Operating specifications should not be ignored. Operators must undergo professional training and be familiar with the operation process. In the operation room, appropriate protective equipment, such as protective gloves, goggles, etc., are necessary to protect their own safety. When operating, strictly follow the established steps. The proportion of ingredients, reaction conditions, etc. must be accurate. During the reaction process, pay close attention to changes in parameters such as temperature and pressure. If there is any abnormality, deal with it immediately.
After the experiment is completed, properly clean up the operation site. Residues should be sorted and disposed of according to regulations and cannot be discarded at will. This is the standard for the safety and operation of 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, and everyone should abide by it to ensure the safety and order of the experiment and the smooth progress of the research.

Application Area

4-Nitro-2-aminophenol-6-sulfonic acid, this compound has a wide range of uses. In the field of dyeing and weaving, it is often the key raw material for the preparation of special color dyes. The dyes made are bright and have good fastness, so that the fabric is not easy to fade over time. In the field of medicine and chemical industry, it also plays an important role, or is an intermediate for the synthesis of specific drugs, assisting the research and development of new drugs, and providing the possibility for the treatment of diseases. In the pigment industry, it can participate in the creation of high-quality pigments, which produce pigments with pure color and stable performance, and are widely used in many fields. Therefore, 4-nitro-2-aminophenol-6-sulfonic acid plays an indispensable role in many application fields of industrial production, promoting the continuous development and progress of related industries.

Research & Development

In the field of chemical industry, new products are emerging one after another. 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid is the object of my generation's dedicated research. At the beginning, its synthesis method was difficult and abnormal, and the ratio of raw materials and reaction conditions needed to be fine-tuned. After countless tests, a suitable way was found.
In application exploration, it has emerged in the dye industry. With its unique structure, it gives dyes a bright color and excellent fastness. However, it also faces challenges, such as environmental impact, cost control, etc. We think about it day and night, and study ways to improve it.
Looking to the future, we hope to optimize the production process, reduce costs and increase efficiency, and expand the application field. This product not only emits light and heat in the dye industry, but also makes achievements in other chemical branches, contributing to the development of the chemical industry and making unremitting progress.

Toxicity Research

Since modern times, the chemical industry has flourished day by day, and all kinds of chemical products have emerged. Today there is 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid, and the study of its toxicity is quite important.
Study its toxicity, when observing its impact on living things. Or enter the body, observe its damage to the viscera and meridians. If it is applied to the movement and planting, examine its vitality in detail. Observe the difference in shape and spirit, the change in color, and the obedience of action.
And investigate the route of its poison, either through the mouth and nose, or through the skin. Only by understanding its path can we know the way to prevent it. It is also necessary to explore the state of decomposition and transformation in the environment to prevent its poison from being poisoned between heaven and earth and harming all things. In the study of toxicity, be careful to ensure the safety of people's livelihood and ecological peace.

Future Prospects

Husband 4 - Nitro - 2 - Aminophenol - 6 - Sulfonic Acid is also a thing of transformation. The future prospects of this product are not promising. This product can be used in the field of work, or it can have more uses. Its characteristics are unique, or it can help the synthesis of the first step, so that the quality of the general product can be improved.
And in the process of research, it is also expected to open up new environments. Researchers can delve into its characteristics, or can make unprecedented discoveries, and derive more new applications. Unknown, or can be used in the fields of technology, materials, etc., to spread the color and use it in the world, to promote the development of general technologies, and to meet new ones.

Frequently Asked Questions

What are the main uses of 4-Nitro-2-Aminophenol-6-Sulfonic Acid?

4-Nitro-2-aminophenol-6-sulfonic acid, which has a wide range of uses. In the dye industry, it is a key intermediate. With its unique chemical structure, it can undergo a series of chemical reactions to synthesize many colorful and excellent dyes. For example, in the preparation of some azo dyes, 4-nitro-2-aminophenol-6-sulfonic acid plays an indispensable role, giving the dye good light resistance and washable properties, so that the fabric has a long-lasting and bright color after dyeing.
In the field of medicine, it also has certain uses. It can be used as a raw material for the synthesis of specific drugs and provides an important chemical basis for pharmaceutical research and development. Due to the functional groups contained in this compound, it has the potential to participate in a variety of drug synthesis reactions, and may provide an effective path for the creation of disease treatment drugs.
Furthermore, in the field of chemical research, 4-nitro-2-aminophenol-6-sulfonic acid is often used as a reagent for chemical analysis. Through its chemical reaction with specific substances, it can qualitatively or quantitatively analyze certain chemical components, enabling researchers to deeply explore the composition and structure of substances, and plays an important role in the field of chemical analysis.

What are the physical properties of 4-Nitro-2-Aminophenol-6-Sulfonic Acid?

4-Nitro-2-aminophenol-6-sulfonic acid is an important organic compound. Its physical properties are unique and valuable for investigation.
Looking at its properties, it often takes a solid form at room temperature. The color may be white to light yellow powder. This color characteristic can be used as an important basis for identifying this substance.
When it comes to solubility, it can show certain solubility properties in water. This property is closely related to the polar groups in its molecular structure. The existence of sulfonic acid groups gives it a certain hydrophilicity, so it can be moderately dissolved in water. However, the degree of solubility is also affected by many factors such as temperature. Generally speaking, when the temperature increases, its solubility in water may increase.
Furthermore, the melting point is also one of its important physical properties. The specific melting point is a key indicator for identifying the compound. After accurate measurement, its melting point value can be known. This value can help to accurately determine whether the obtained substance is this compound through melting point measurement in a laboratory environment, and its purity can be measured.
In addition, its density is also an inherent physical property. The density value reflects the mass per unit volume of the substance, which is of great significance for the behavior, separation and application of the compound in various mixed systems. The physical properties of 4-nitro-2-aminophenol-6-sulfonic acid, such as its properties, solubility, melting point, density, etc., play a crucial role in understanding the essential properties of this substance and its applications in many fields such as chemical industry and medicine.

4-Nitro-2-Aminophenol-6-Sulfonic Acid is chemically stable?

4-Nitro-2-aminophenol-6-sulfonic acid, this is an organic compound. Its chemical properties are quite stable under certain conditions.
Looking at its structure, the nitro group, amino group, phenolic hydroxyl group and sulfonic acid group coexist. Nitro has strong electron absorption, which can reduce the electron cloud density of the benzene ring, which in turn affects the activity of the groups connected to it. The amino group is the power supply group, which can enhance the electron cloud density of the benzene ring, but it is easy to be oxidized. The phenolic hydroxyl group has high activity and is easy to react with a variety of reagents, such as salts with bases. The sulfonic acid group has strong acidity and can make the compound exhibit certain ionic characteristics in water.
Under normal storage conditions, this compound can maintain a relatively stable state without the interference of extreme factors such as high temperature and strong oxidants. However, in case of high temperature or contact with strong oxidants, it may cause chemical reactions, such as nitro may be further oxidized, amino groups may also suffer oxidative damage, and phenolic hydroxyl groups may participate in more complex reactions, resulting in structural changes and loss of stability of the compound.
Therefore, when storing this compound, it is necessary to pay attention to the ambient temperature and humidity, and avoid coexistence with incompatible substances such as strong oxidants, so as to ensure its chemical stability.

What is the production process of 4-Nitro-2-Aminophenol-6-Sulfonic Acid?

4-Nitro-2-aminophenol-6-sulfonic acid, an important organic compound, is widely used in dyes, medicine and many other fields. Its preparation process is quite complicated and requires multiple steps of fine chemical reactions to achieve.
In the past, the first step of preparing this compound was often to use a specific phenolic compound as the starting material. First, the phenolic substance is cleverly reacted with nitric acid. This process requires precise control of the reaction temperature and the concentration of nitric acid. If the temperature is too high, it may cause excessive nitrification and generate unnecessary by-products; if the temperature is too low, the reaction will be slow and the efficiency will be poor. After this reaction, the nitro group is introduced into the phenolic ring of the phenolic substance at a specific position to obtain a phenolic intermediate containing nitro group.
Then, the nitro-containing intermediate is aminated with ammonia or other aminylating reagents. This step also requires careful adjustment of reaction conditions, such as reaction time and reactant ratio. After the successful introduction of amino groups, 2-amino-4-nitrophenol intermediates are obtained.
In the last step, 2-amino-4-nitrophenol intermediates are sulfonated with sulfonating reagents. The choice of sulfonating reagents, reaction temperature and time all have a significant impact on the formation of the product. Under appropriate reaction conditions, the sulfonic acid group is successfully connected to a specific position in the phenyl ring, resulting in 4-nitro-2-aminophenol-6-sulfonic acid.
Each step of the reaction needs to be strictly monitored and precisely regulated to ensure high yield and purity. After each step of the reaction, various separation and purification methods such as extraction, crystallization, and distillation are often required to remove impurities and obtain pure target products. Such a complicated and delicate preparation process can achieve the production of 4-nitro-2-aminophenol-6-sulfonic acid.

4-Nitro-2-Aminophenol-6-Sulfonic Acid in storage and transportation

4-Nitro-2-aminophenol-6-sulfonic acid, this is a chemical substance. When storing and transporting, many matters need to be paid attention to.
Let's talk about storage first. Due to its special nature, it should be stored in a cool, dry and well-ventilated place. It must not be placed in a high temperature place to prevent decomposition by heat and cause danger. And it should be kept away from fire and heat sources. In case of open flame, it may react violently, causing fire or even explosion. Because it may be corrosive, it must be stored separately from alkalis, oxidants, etc., and must not be mixed with storage, otherwise it may react chemically and damage storage safety. Storage containers should also be carefully selected, corrosion-resistant materials should be used, and good sealing should be ensured to avoid material leakage and pose a hazard to the environment and human body.
As for transportation, there are also many details. Before transportation, it is necessary to carefully check the packaging to ensure that the packaging is complete and sealed to prevent leakage during transportation. During transportation, the driving speed should not be too fast, nor should it be braked suddenly to avoid damage to the packaging due to vibration and collision. Transportation vehicles must be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment for emergencies. And transport personnel should be familiar with the characteristics of the substance and emergency treatment methods, and can respond quickly if something happens. Transportation route planning should also be careful, try to avoid densely populated areas and busy traffic sections to reduce the impact of accidents. Only in this way can we ensure the safety of 4-nitro-2-aminophenol-6-sulfonic acid during storage and transportation.