4-Hydroxy-7-(Methylamino)Naphthalene-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	899496
Chemical Formula	C11H11NO4S
Molar Mass	253.274 g/mol
Appearance	Solid
Solubility In Water	Soluble
Physical State At Room Temperature	Solid
Color	Typically colorless to pale - colored
Boiling Point	Decomposes before boiling
Melting Point	Approximately 278 - 282 °C
Odor	Odorless
Ph Aqueous Solution	Acidic

Packing & Storage

Packing	500 g of 4 - Hydroxy - 7 - (Methylamino)Naphthalene - 2 - Sulfonic Acid in air - tight plastic bags.
Storage	4 - Hydroxy - 7 - (methylamino)naphthalene - 2 - sulfonic acid should be stored in a cool, dry place away from direct sunlight. Keep it in a tightly sealed container to prevent moisture absorption and exposure to air, which could lead to degradation. Store separately from incompatible substances like strong oxidizers to avoid potential chemical reactions.
Shipping	4 - Hydroxy - 7 - (Methylamino)Naphthalene - 2 - Sulfonic Acid should be shipped in well - sealed, corrosion - resistant containers. Ensure compliance with chemical transport regulations, safeguarding against spills and environmental exposure during transit.

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4-Hydroxy-7-(Methylamino)Naphthalene-2-Sulfonic Acid

General Information

Historical Development

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is an important product in the field of chemistry. Looking back to the past, its research and development process can be described as tortuous and exciting. At the beginning, many sages explored the vast world of chemistry, hoping to find new things to meet all needs.
After years of research, they have obtained something. Scholars worked in the laboratory day and night, trying various reaction combinations with exquisite methods. This unique compound was obtained. Its initial appearance, although not immediately dazzling, has unique potential.
With the passage of time, subsequent researchers have continued to refine their preparation methods, optimize the process, and improve the quality. This compound has thus emerged in many fields, with a wide range of uses. Its development process is like a pearl gradually shining, adding a bright color to the long river of chemistry.

Product Overview

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is one of the substances involved in my research on chemical products. Its shape and color are very different, often in a fine crystalline state, the color is either white or slightly light yellow, and the appearance is crystal clear, like morning dew condensing on the tip of grass.
This substance is in the field of photochemistry, like a shining star, and has a remarkable effect. Its structure is exquisite, and the hydroxyl group, methylamino group, naphthalene ring and sulfonic acid group are linked to each other to form a unique chemical rhyme. Due to this structure, it has wonderful properties between light absorption and emission. It can be used as a fluorescent whitening agent to add luster to fabrics and make them glow under light. It is also used as a key intermediate in dye synthesis, such as in the preparation of reactive dyes, to help dye molecules bloom a variety of colors.
Our researchers, exploring its properties, optimizing the production method, and hoping to use it as a basis to expand new chemical applications and present more exciting things to the world.

Physical & Chemical Properties

The physical and chemical properties of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid are very important. Looking at its properties, it may be in a specific form or have a unique color. In terms of solubility, it varies in different solvents, and the degree of solubility varies from water or organic agents, which is related to its dispersion and reaction in various systems. Its melting point and boiling point are also important characteristics, reflecting the strength of intermolecular forces. In terms of chemical activity, hydroxyl groups, methylamino groups and sulfonic acid groups are all active, and can participate in various chemical reactions, or form bonds, or break bonds, which is of great significance in the synthesis of new substances. These physical and chemical properties lay the foundation for the in-depth study and rational application of this substance, guiding the direction of inquiry.

Technical Specifications & Labeling

Technical specification and identification of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid (commodity parameters)
There are 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid today, and its technical procedures are related to the preparation method. It is necessary to use precise raw materials, according to a specific ratio, under suitable temperature and pressure, through delicate reactions. During this period, the purity of raw materials, reaction time, and temperature changes are all key, and a slight difference will affect the quality of the product.
As for the logo (commodity parameters), the appearance needs to be a specific color and shape, and its advantages and disadvantages can be distinguished by the naked eye. The content determination must have accurate values, which are related to the medicinal power and use. The limit of impurities also needs to be strictly controlled to prevent harmful substances from being mixed in. In this way, it can ensure that this chemical is properly applied in various fields and exert its due effect.

Preparation Method

The method of making 4 - Hydroxy - 7 - (Methylamino) Naphthalene - 2 - Sulfonic Acid is related to the raw materials and production process, reaction steps, and catalytic mechanism. The selection of raw materials needs to be carefully selected to ensure the quality and purity. The production process is based on the ancient method and needs to be gradual. First take the derivative of naphthalene, supplemented by specific reagents, stir the reaction at a suitable temperature, control its temperature and duration, so that the reaction is sufficient. To be initially formed, it goes through multiple filtration and purification processes to remove its impurities. The catalytic mechanism is introduced by a special catalyst to promote the reaction to be efficient. Every step is strictly followed, so that the best product can be obtained. This is the important way to prepare this compound.

Chemical Reactions & Modifications

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, in the field of chemistry, the study of its reaction and modification is very important. Observing the chemical research of the past, every time I want to study its delicate reaction, I hope to optimize the characteristics and increase its use.
Try to think about the reaction of this compound, or in a specific medium, when encountering a suitable reagent, it will change wonderfully. Or due to differences in temperature and pressure, the reaction will go to a different way. When modifying, it is also necessary to carefully observe the molecular structure and find the check point that it can be modified.
To make its performance excellent, or specific groups can be introduced to change its physical and chemical properties. If the reaction and modification of this compound can be carefully studied, it will be useful in many fields, such as materials and medicine, and will contribute to the progress of chemistry and benefit future generations.

Synonyms & Product Names

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, its synonymous name and the name of the commodity, are related to the importance of our chemical research. Ancient scholars, in the name of chemistry, often change. Today 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, also has various synonymous names.
According to its structural characteristics, it may have another name for its chemical composition, which is to help us clarify its essence. As for the name of the commodity, merchants have a unique name for the convenience of promotion and identification. Although the names are different, they are all the same, referring to this compound of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid. We chemical researchers should carefully investigate its synonymous names and commodity names, so as to facilitate the study and application of various things, so as not to confuse them, clarify their authenticity, explore their mysteries, and promote the progress of chemistry.

Safety & Operational Standards

The safe production and operation of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid are all relevant to this chemical.
The handling of this substance is the first priority for the tranquility of the environment. The storage place should be selected in a dry, ventilated place away from fire and heat sources. It must not be mixed with oxidants, alkalis, etc., to prevent unexpected chemical reactions. The storage device must be strong and sealed to prevent leakage.
When using it, you must wear suitable protective equipment. Wear protective clothing, protective gloves on your hands, and goggles to protect your body and skin. When operating, the action should be steady and slow, and do not let this product splash or fly. If it is accidentally touched, if it touches the skin, it should be rinsed with a lot of water as soon as possible; if it enters the eye, it is even more necessary to immediately open the eyelids, rinse with water and seek medical attention as soon as possible.
In the production process, the equipment must be well-equipped and run smoothly. The temperature, pressure, proportion of ingredients and other parameters of the reaction must be strictly controlled and acted in accordance with precise procedures. The production site should be equipped with perfect ventilation and ventilation devices to disperse harmful volatiles in time.
In case of leakage, evacuate the surrounding people first and set up warning signs. Small leaks can be collected by adsorption of inert materials such as sand and vermiculite; large leaks need to be built or excavated for containment, and then properly handled, and must not be allowed to flow into the environment.
In short, the safe and standardized operation of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is a guarantee for practitioners and the environment, and there must be no slack.

Application Area

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is used in many fields. In the dyeing and weaving industry, it can be used as a dye intermediate to add color to fabrics, making the color fresh and lasting. The dyed cloth is colorful and shines brightly in clothing, home textiles, etc. In the field of medical research, because of its special chemical structure, it may provide ideas for the development of new drugs, help to explore drugs with unique curative effects, and seek well-being for patients. In the field of scientific research and exploration, it is an important experimental material for researchers to deeply explore chemical mechanisms and promote the development of chemistry. It is widely used and plays an indispensable role in the process of industrial production and scientific research, continuously bringing new possibilities and breakthroughs to various related fields.

Research & Development

The 4 - Hydroxy - 7 - (Methylamino) Naphthalene - 2 - Sulfonic Acid has been studied in recent times. Its properties are unique and its uses are quite wide. At the beginning of the experiment, the physicochemical properties were carefully observed, its composition was analyzed, and its structure was investigated in order to gain a better understanding.
Then I thought about expanding its use, and then explored different methods and improved its manufacturing process. After many trials, or temperature adjustment, or change agents, observe the reaction state and measure the quality of its products. Despite all obstacles, I have been working tirelessly.
Today, the quality of the product has gradually improved, and the use has also expanded slightly. It can be used in the dyeing and weaving industry to add color and luster; or in the field of medicine, to help research and innovation. However, if you want to make greater progress, you still need to be diligent and embrace all methods, hoping to have more breakthroughs in the future, so as to facilitate its rapid development and benefit all things.

Toxicity Research

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is very important for the study of toxicity. Now study its properties in detail and observe its impact on living things. The shape and quality of this thing need to be carefully examined. Observe the geometry of the changes that occur when it comes into contact with other things. In various experiments, explore what kind of changes it causes when it enters the organism.
Observe its effects on insects, or cause perverse movements and growth retardation. On plants and trees, it may hinder their germination and inhibit their development. As for animals, it may disturb their viscera and disrupt their physiological order.
After many studies, the signs of its toxicity are gradually clear. However, in order to fully understand its nature, it is necessary to repeatedly test and collect data to form a complete theory, so that the world can understand its harm, and when it is used, it can avoid disasters and ensure the safety of all things.

Future Prospects

Guanfu 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid This thing, although it has been studied now, the future prospects are still vast.
In the field of medicine, or can use its characteristics to develop new agents to cure various diseases and save the suffering of patients. In the way of materials, or can explore its potential, make special materials, and use them in the field of high-tech. And in chemical production, or can optimize the process, improve quality and efficiency.
Our generation should study diligently, use its reason, and expand its use. Looking forward to the future, we can unleash its grand effect, contribute to the progress of the world and the well-being of people, and live up to the mission of scientific research. We hope that this material will shine brightly and develop infinite possibilities when it is not completed.

Frequently Asked Questions

What are the applications of 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid?

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, an organic compound, is used in many fields.
In the dye industry, it can be used as an important dye intermediate. With its unique chemical structure, it can participate in various dye synthesis reactions. After chemical modification and transformation, it can produce dyes with brilliant color and good fastness. It is widely used in dyeing processes such as fabrics and leather, giving it rich color.
In the field of medicine, it may have potential medicinal value. Due to its structural properties, it may interact with specific targets in organisms, providing new opportunities for drug research and development. Scientists can conduct in-depth research based on this compound, and develop new therapeutic drugs for disease treatment through structural optimization and modification.
In the field of chemical analysis, this compound is also useful. Due to its special chemical properties, it can be used as an analytical reagent for qualitative and quantitative analysis of specific substances. For example, using its properties to form specific complexes with certain metal ions to achieve accurate detection and determination of metal ions, plays an important role in environmental monitoring, water quality analysis, etc.
In addition, in the field of organic synthesis, it can participate in the construction of more complex organic molecular structures as a key intermediate. With the help of its activity check point, through a series of organic reactions, organic compounds with special functions and structures are synthesized, providing raw materials and bases for materials science, fine chemicals and other fields.
In short, 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid has shown important application value in many fields such as dyes, medicine, analysis and organic synthesis, and promotes the development and progress of related industries.

What are the physical properties of 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid?

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, the physical properties of this substance are quite important and relevant to its application in many fields.
Its appearance is often in a specific shape, or crystalline, the color is white as snow, or slightly yellow, and the pure is transparent and shiny. Looking at it, its crystal shape is regular and arranged in an orderly manner, which seems to contain the delicacy of heaven and earth.
Melting point is one of its key physical properties. When the temperature gradually rises, reaching a certain value, this substance gradually melts from solid to liquid. This melting point is precise and stable, like a needle in the sea, providing an important basis for identifying and purifying this substance.
Solubility cannot be ignored either. In water, it may be moderately soluble, just like a fish entering water, and molecules interact with water molecules to form a uniform solution; in organic solvents, its solubility varies, depending on the polarity and structure of the solvent. This property makes the substance of great significance in the separation, purification and preparation of specific solution systems.
Furthermore, density is also one of its physical properties. The mass of the substance contained in each unit volume reflects its compactness. This value is constant, just like a person's character, which does not change easily due to the outside world, providing clues for the study of its behavior in different environments.
In addition, the stability of this substance also belongs to the category of physical properties. Under normal temperature and pressure, its structure is stable and not easy to change. In case of extreme conditions such as high temperature, strong acid, and strong alkali, its structure may be affected, chemical reactions occur, and physical properties also change.
In summary, the physical properties of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid are rich and diverse, and each property is related to each other, which together constitute the unique "identity" of this material. It is a key consideration in many fields such as chemical industry and scientific research.

What is the chemical synthesis method of 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid?

The chemical synthesis of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is the key to chemical preparation. This synthesis method requires many delicate steps to obtain this product.
The first to bear the brunt, the selection of materials must be carefully selected. Select a suitable naphthalene compound as the starting material. The purity and quality of this raw material are related to the success or failure of the synthesis. If the high-purity naphthalene is selected, its impurities are very small, which can pave the way for the subsequent reaction.
Then, a specific substitution reaction for the naphthalene ring is carried out. In this step, the methylamino group and hydroxyl group can be introduced into the naphthalene ring at the desired position by suitable reaction conditions and reagents. For example, with a specific amination reagent, under the action of appropriate temperature, pressure and catalyst, the methylamino group is cleverly connected to the seventh position of the naphthalene ring. The control of temperature is crucial. If it is too high, the reaction will be excessive, and if it is too low, the reaction will be slow, which is not conducive to the formation of products.
Furthermore, the introduction of sulfonic acid groups cannot be ignored. With the sulfonic acid reagent, after clever operation, the sulfonic acid group successfully landed at the second position of the cyclonaphthalene. This process requires attention to the rate and selectivity of the reaction to prevent the growth of side reactions.
During the synthesis process, each step needs to be carefully controlled. The progress of the reaction needs to be monitored in real time by various analytical methods, such as chromatographic analysis, which can clarify the composition changes of the reaction mixture. The purity and yield of the product also need to be paid attention to from time to time in order to adjust the reaction conditions in time.
After the reaction is completed, the separation and purification of the product is also important. Recrystallization, column chromatography and other methods can be used to remove its impurities and improve its purity, and finally obtain pure 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid. Although this synthesis method is complicated, each step contains exquisite chemistry, and the synthesizer needs to study it carefully to achieve the ideal synthesis effect.

How stable is 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid?

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid, the stability of this substance is related to many aspects, let me explain in detail.
Its chemical structure is unique, the benzene ring is connected to the naphthalene ring, and the hydroxyl group, methylamino group and sulfonic acid group are in their respective positions. Hydroxyl groups and sulfonic acid groups are both hydrophilic and can form hydrogen bonds in water, which helps them maintain a certain stability in aqueous solutions. Although the existence of methylamino groups adds molecular complexity, its electron supply effect may change the distribution of molecular electron clouds, which in turn affects the stability.
At the level of physical properties, its melting point, boiling point and other parameters are closely related to the stability. If the melting point is quite high, it indicates that the intermolecular force is strong, and the solid state has a stable structure and good stability. Under normal circumstances, compounds containing sulfonic acid groups have significant interactions between molecules due to ionic bonds and hydrogen bonds, and the stability is considerable.
In terms of chemical stability, different chemical reagents such as acids, bases, oxidants and reducing agents behave differently. In an acidic environment, sulfonic acid groups are relatively stable, but the protonation reaction of hydroxyl groups or methylamino groups may affect the overall stability. Under alkaline conditions, hydroxyl groups may deprotonate, and methylamino groups may also participate in the reaction, which changes the stability. Oxidizing agents may cause hydroxyl oxidation and affect the molecular structure. The reducing agent may react with sulfonic acid groups, methylamino groups, etc., to change the stability of the molecule.
Furthermore, external conditions such as temperature and light also affect its stability. At high temperatures, the thermal motion of molecules intensifies, the vibration of chemical bonds is enhanced, or some bonds are broken, and the stability is damaged. Under lighting conditions, photon energy or molecular excitation can trigger photochemical reactions, which is unfavorable to the stability.
Overall, the stability of 4-hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is determined by its own chemical structure and affected by external physical and chemical conditions. To determine the exact status of its stability, it is necessary to accurately determine the experimental and comprehensive consideration of the interaction of various factors.

What is the price range for 4-Hydroxy-7- (Methylamino) Naphthalene-2-Sulfonic Acid in the market?

4-Hydroxy-7- (methylamino) naphthalene-2-sulfonic acid is on the market, and its price range is difficult to determine. The market situation changes, and the price varies from time to time, and it also varies from quality to source. If we take the ancient style of "Tiangong Kaiwu" as an example, the price often depends on supply and demand, and the difficulty of production.
This acid may be used in chemical industry, dyeing and weaving, etc. The method of production is related to the acquisition of materials and the application of industrial skills. If the material is easy to produce and the technical skills are easy to do, the amount of production may be abundant, and the price may be easy; conversely, if the material is rare and the technical skills are difficult, the production is limited, and the price will rise.
And the condition of its demand is also the pivot of the price. If the needs of various industries are strong, and the demand exceeds the supply, the price will rise; if the demand is few, the supply exceeds the demand, and the price will naturally decline. However, in today's world, commerce is widely connected, and its goods may come from near and far. The origin is different, so there are differences, plus freight, taxes, etc., are all linked to the price. Therefore, if you want to know the exact price, you should ask in detail in the market, and visit merchants and brokers, you can get the current price. Roughly speaking, the price may fluctuate between a few gold to dozens of gold per catty, but this is only an idea, and the actual price must be subject to what the market has heard.