8-(Phenylamino)Naphthalene-1-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	463955
Chemical Formula	C16H13NO3S
Molar Mass	299.34 g/mol
Appearance	Typically a solid (color may vary depending on purity, often some shade related to organic compounds)
Solubility In Water	Limited solubility, as it has hydrophobic phenyl and naphthalene groups along with polar sulfonic acid group
Melting Point	Specific melting point data would require experimental determination but generally organic sulfonic acids have defined melting points
Boiling Point	Boiling point is difficult to determine directly due to possible decomposition before boiling, but it would be high considering the large molecular structure
Acidity	The sulfonic acid group makes it acidic, with an acidic hydrogen on -SO3H group
Pka Value	The pKa of the sulfonic acid group is relatively low (around -1 to 1), indicating strong acidity
Uv Vis Absorption	It has absorption bands in the UV - Vis region due to the conjugated aromatic systems (phenyl and naphthalene rings)
Reactivity	Can react with bases to form salts, and can also participate in reactions typical of aromatic compounds such as electrophilic aromatic substitution

Packing & Storage

Packing	100g of 8-(Phenylamino)Naphthalene - 1 - Sulfonic Acid in a sealed, labeled plastic bag.
Storage	8-(Phenylamino)Naphthalene - 1 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area away from direct sunlight. Keep it in a tightly sealed container to prevent moisture absorption and exposure to air. Store it separately from incompatible substances like oxidizing agents to avoid potential chemical reactions.
Shipping	8-(Phenylamino)naphthalene - 1 - Sulfonic Acid should be shipped in tightly - sealed, corrosion - resistant containers. Ensure proper labeling regarding its chemical nature. Ship via routes compliant with chemical transport regulations to prevent spillage and ensure safety.

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8-(Phenylamino)Naphthalene-1-Sulfonic Acid

General Information

Historical Development

8- (phenylamino) naphthalene-1 -sulfonic acid, the rise of its matter is not achieved overnight. Tracing its origin, at the beginning of the chemical sages in the study of matter, unremitting exploration. In the past, the academic community studied the wonders of organic chemical synthesis, and after many attempts and analysis.
At that time, everyone studied hard in the field of aromatic chemical synthesis, hoping to obtain new substances. After countless proportions and reactions, there were gradually clues about such sulfonic acids. The dukes were in the laboratory, focusing on handling, observing the changes of matter, and recording subtle images. Therefore, 8- (phenylamino) naphthalene-1 -sulfonic acid has hidden itself in the curtain of scientific unknown, gradually revealing its true identity, adding a new chapter to chemical research, and its development has also begun, opening up the follow-up research path.

Product Overview

8- (phenylamino) naphthalene-1 -sulfonic acid is an important chemical product. It is in the shape of a powder and has a light white to yellowish color. This product has unique chemical properties and is widely used in the field of organic synthesis. Its preparation method is often formed by multi-step chemical reaction, with specific raw materials and suitable reaction conditions, and through ingenious technology. In the dye industry, it is often a key intermediate, which can help to synthesize colorful dyes and make the color of fabrics more vivid and lasting. In scientific research, because of its special structure, it is also a good material for studying the relationship between molecular structure and properties. It contributes to the in-depth development of chemical research and promotes the progress of this field.

Physical & Chemical Properties

8- (phenylamino) naphthalene-1 -sulfonic acid, its material has specific physical and chemical properties. Looking at its color, it is often in a bright state, or white or slightly colored, depending on the environment. Its shape is mostly crystalline, with fine texture and luster. Regarding its solubility, it has a certain degree of solubility in water, and the temperature increases, and the solubility also increases. However, in organic solvents, such as ethanol, ether, etc., the degree of solubility varies, which is related to the properties of the solvent. Its chemical activity is also considerable. Due to the structure of phenylamino, naphthalene ring, and sulfonic acid group, it can react with a variety of reagents. It is widely used in the field of organic synthesis and is often a key raw material for the preparation of special compounds. It can be derived from many products with unique properties through various reaction paths.

Technical Specifications & Labeling

Today there is a product named 8- (phenylamino) naphthalene-1-sulfonic acid. It is essential to study the process specifications and identification (product parameters). The process specifications of this product require detailed study of the selection of raw materials. The high-quality phenylamine and naphthalene sulfonic acids must be selected. The proportions are accurate, the operation is in sequence, the reaction conditions are strictly controlled, and the temperature, humidity and pressure are fixed to ensure high quality.
As for the identification (product parameters), the appearance color, purity geometry, and impurity content must be clearly marked. In this way, the people used must be clear at a glance and worry-free. These two, process specifications and identification (product parameters), are indispensable for the production and use of 8- (phenylamino) naphthalene-1-sulfonic acid, such as car wheels and bird wings.

Preparation Method

The preparation method of 8- (phenylamino) naphthalene-1 -sulfonic acid is related to raw materials and production process, reaction steps and catalytic mechanism. Naphthalene sulfonic acid is first taken as raw material, aniline is added, and mixed at a specific temperature and pressure according to a precise ratio. Sulfuric acid is used as a catalyst to control the reaction process and make the two fully react. At the beginning of the reaction, it is necessary to continue stirring to ensure uniform contact and accelerate the reaction. When the reaction reaches a specific level, the product is precipitated through cooling and crystallization steps. Then it is filtered and washed to remove its impurities to obtain pure 8- (phenylamino) naphthalene-1 -sulfonic acid. This method of preparation, raw materials easily available, orderly operation, the purity of the product is quite high, in industrial production of many benefits.

Chemical Reactions & Modifications

In 8- (Phenylamino) Naphthalene - 1 - Sulfonic Acid, its chemical reaction and modification are particularly important.
In the past, to explore this compound, observe its reaction, often with a specific reagent, according to a certain order. However, the initial reaction may not achieve the expected effect, the yield is not abundant, and the purity is also lacking.
Then think about the method of change, and consider the reaction conditions many times. Variable temperature, adjust the balance of pH, and choose the appropriate catalyst. After various attempts, it was effective. The rate of reaction increased greatly, the yield also increased significantly, and the purity was also excellent.
From this perspective, the way of chemistry lies in continuous exploration, seeking modification methods according to the properties of substances, in order to achieve the essence of chemical industry and be used by the world.

Synonyms & Product Names

8- (phenylamino) naphthalene-1-sulfonic acid can be investigated under the same trade name. This substance, or phenyl peripheral acid, is used in the field of chemical research, and this equivalent name refers to the same substance. Its trade name also varies depending on its home and purpose. However, its origin is this specific compound. The names of chemical substances are various, all due to differences in research and use. This 8- (phenylamino) naphthalene-1-sulfonic acid, with its characteristics, is used in many chemical applications, and its general name, which is also well known to researchers and users, is also used to refer to this important chemical substance.

Safety & Operational Standards

Specifications for the safety and operation of octa (phenylamino) naphthalene-1-sulfonic acid
Fuba (phenylamino) naphthalene-1-sulfonic acid is also a chemical research object. To clarify its safety and operation regulations, you should study the school in detail.
At the safe end, the behavior of this substance must be carefully observed. It may have a certain chemical activity, and it may react in contact with other substances. If it touches fire, there may be a risk of ignition and explosion. Therefore, when storing, it is advisable to choose a cool, dry, ventilated place, away from fire and heat, and away from oxidants and acids, to prevent unexpected changes.
As for the rules of operation, when handling, you must wear protective equipment. If you wear protective clothing, wear protective gloves to prevent it from touching the body and damaging the skin. Also prepare eye protection devices to avoid it entering the eyes and harming the eyes. In the operation room, the ventilation system should not be ignored. Make sure to circulate the air to prevent it from gathering and causing harm to people.
When researching and experimenting, the amount used should be taken according to the recipe, and do not increase or decrease it rashly. When it dissolves and mixes, it should be slowed down, and its changes should be observed. If there is any abnormality, stop the operation quickly and check the cause to ensure safety.
In short, the safety and operation of octa (aniline) naphthalene-1-sulfonic acid are related to the smooth operation of the person and the research. It is necessary to abide by this specification and proceed with caution in order to be safe.

Application Area

8- (Anilinyl) naphthalene-1 -sulfonic acid is useful in many fields. In the field of dyeing and weaving, it can be used as a dye intermediate to help create dyes with brilliant color and good fastness, making the fabric color richer and longer lasting. In terms of printing inks, it also plays an important role in improving the properties of inks, such as improving their adhesion and color, and making the printing effect more exquisite. In addition, in scientific research and analysis, due to its special chemical properties, it can be used as an analytical reagent to help researchers more accurately determine and analyze specific substances. It has a wide range of uses and plays an indispensable role in industrial production and scientific research. It is a valuable chemical.

Research & Development

Taste the research and development of 8- (phenylamino) naphthalene-1 -sulfonic acid, this substance is of great significance in the field of chemical industry. We are committed to its exploration, to clarify its properties and expand its uses.
At the beginning, we studied its structure in detail, explored the mystery of molecules, and understood the relationship between its structure and properties. Then we experimented to observe its reaction under different conditions, and the quality and quantity of precipitates. After many attempts, we have obtained an optimized method to improve its yield and purity.
The road of research and development is not without difficulties. However, we uphold our perseverance and study unremitting. Now there is a small success, and the properties of the products are gradually stabilizing. In the future, as we continue to make progress, we hope that this product can emerge in industrial production, scientific research, and other aspects, contributing to the development of the chemical industry, expanding its application territory, and achieving greater success.

Toxicity Research

Taste the nature of all things, and those who are poisoned will suffer. Today, there is 8- (phenylamino) naphthalene-1-sulfonic acid, which should be carefully observed in the field of toxicity research.
Examine its properties, or the possibility of involving poison. Looking at its structure, the combination of phenylamino and naphthalene sulfonic acid, the chemical state is different. Toxicological investigation, the first inspection of its entry path, inhalation of the mouth and nose, and contact with the skin, all need to be clarified. After entering the body, in the viscera and meridians, what changes occur, the flow of qi and blood, and whether there is blockage are all important matters.
It also examines the impact of its environment, between water and soil, whether it can be degraded, the products of degradation, and what is the toxicity. In the biological chain, from the microscopic bacteria and algae to the huge animals and poultry, the effect cannot be ignored.
Toxicity research is related to people's health and environmental safety. It is necessary to use a cautious attitude and a detailed method to explore it in order to obtain its true meaning and provide evidence for the use of this thing and the prevention of its harm.

Future Prospects

Although the current knowledge of 8- (phenylamino) naphthalene-1 -sulfonic acid is limited, its future development can be looked forward to. This substance may be a guide to new paths in the field of chemistry. Its unique structure may emerge in the creation of materials and the research and development of pharmaceuticals.
We chemical researchers should be eager to study it. With time, we may be able to understand its more subtle characteristics, in industrial production, improve efficiency and reduce consumption; in the realm of medicine, find a cure. Its potential is like a hidden pearl, waiting for our generation to use the key to study, open the door to the future, and bloom its brilliance. It will add bricks and tiles to human well-being and pave the way for a prosperous future.

Frequently Asked Questions

8- (Phenylamino) What are the main uses of Naphthalene-1-Sulfonic Acid?

8- (phenylamino) naphthalene-1 -sulfonic acid, this substance is widely used. In the dye industry, it is often a key intermediate for the synthesis of many dyes. Through delicate chemical reactions, colorful and high-performance dyes can be derived, which are widely used in fabric dyeing and other fields to make fabrics show colorful colors.
In the field of chemical analysis, it also has important functions. With its special chemical structure and properties, it can be used as an indicator to keenly sense changes in certain parameters in the chemical reaction system, thus assisting in accurate analysis.
In the process of scientific research and exploration, as an important raw material for organic synthesis, chemists can carry out a series of creative synthesis experiments based on its unique structure, paving the way for the research and development of new compounds and promoting the continuous development of organic chemistry. The creation of many new materials often uses it as a starting material. After ingenious design and reaction, the material is endowed with novel properties and meets the needs of different fields for special materials.

8- (Phenylamino) What are the physical properties of Naphthalene-1-Sulfonic Acid?

8- (Anilinyl) naphthalene-1 -sulfonic acid, the physical properties of this substance are quite specific. Its color state is often white to light yellow crystalline powder, the appearance is fine, if placed in light, slightly shiny flicker. Smell it, there is little obvious smell, and the breath is pure.
When it comes to solubility, it is soluble in water, but the solubility is not very high, and it dissolves better in hot water. It is like ice crystals melting when they are warm, and the molecules are gradually dispersed in water. Organic solvents, such as ethanol, acetone, etc., also have a certain solubility, depending on the characteristics of the solvent.
Its melting point is quite high, and it needs to reach a certain temperature to melt. This characteristic is due to the strong force between molecules. When heated to near the melting point, the molecular vibration intensifies, eventually causing the lattice structure to disintegrate and melt. The boiling point is also corresponding, and a higher temperature is required to make it boil and vaporize.
In terms of density, it is slightly heavier than ordinary light powders. When held in the hand, you can feel that its texture is slightly sinking. In addition, its powder particle size is uniform, and its fluidity is acceptable, such as fine quicksand, which is easy to handle. These physical properties are of critical significance for applications in many fields such as chemicals and dyes.

Is 8- (Phenylamino) Naphthalene-1-Sulfonic Acid Chemically Stable?

8- (phenylamino) naphthalene-1 -sulfonic acid, the chemical properties of this substance are quite stable under normal temperature. In its structure, the naphthalene ring is cleverly connected to the phenylamino and sulfonic acid groups, and the interaction between the groups makes the whole have a certain stability. The
sulfonic acid group is a strong hydrophilic group, which gives the substance a certain water solubility. In aqueous solution, its sulfonic acid group can be partially ionized, showing acidic characteristics. This ionization process is relatively stable and not easily disturbed by common mild conditions. The presence of phenylamino groups adds aromatic properties to the molecule. Due to the conjugation effect between the benzene ring and the naphthalene ring, the electron cloud can be delocalized, which further enhances the stability of the molecular structure.
In general oxidation and reduction environments, 8- (phenylamino) naphthalene-1-sulfonic acid is not prone to significant chemical reactions without the intervention of strong oxidizing agents or reducing agents. However, under extreme conditions such as high temperature, strong acid, and strong base, its stability will change. High temperature can cause the thermal motion of molecules to intensify, and when the energy is sufficient to break some chemical bonds, it may trigger decomposition reactions; strong acid and strong base environments will interfere with the charge distribution and chemical bond stability in molecules, causing groups such as phenylamino groups and sulfonic acid groups to react, thereby changing their chemical structures and properties. In general, 8- (phenylamino) naphthalene-1 -sulfonic acid can maintain relatively stable chemical properties in the conventional chemical operating environment and relatively mild natural conditions.

8- (Phenylamino) Naphthalene-1-Sulfonic Acid What are the precautions in the production process

8- (phenylamino) naphthalene-1 -sulfonic acid in the production process, all matters need to be paid attention to. First, the ratio of materials must be accurate. When synthesizing this compound, the dosage ratio of each reactant has a great impact on the purity and yield of the product. Such as phenylamine and naphthalene-1 -sulfonic acid related raw materials, improper proportions will make it difficult to obtain the ideal product, or cause impurities to increase, and subsequent purification is difficult.
Second, the temperature and time control of the reaction are crucial. If the temperature is too high, the reaction rate will increase, but it is easy to produce side reactions and destroy the product structure; if the temperature is too low, the reaction will be slow, time-consuming and inefficient. And the reaction time must also be appropriate. If it is too short, the reaction will not be completed, and if it is too long, it may cause the decomposition of the product.
Third, the pH of the reaction environment cannot be ignored. Appropriate pH can create conditions conducive to the reaction, otherwise it may hinder the reaction process and even cause the reaction direction to deviate from expectations.
Fourth, the properties of the solvent used have a significant impact. It is necessary to choose a solvent with good compatibility with the reactants and products, and the characteristics of solvent boiling point and solubility are related to whether the reaction can be carried out smoothly and the product separation is difficult.
Fifth, the operation process must be standardized and rigorous. From the order of raw material addition, the stirring rate, to the method of product separation and purification, all follow the standard process, and there is a slight poor pool, or the experiment may fail, and production accidents may occur.
Finally, the storage conditions of the product should also be appropriate. This compound may be sensitive to light, heat, and moisture, and improper storage or deterioration may affect its quality and application.

8- (Phenylamino) What is the market outlook for Naphthalene-1-Sulfonic Acid?

8- (anilinyl) naphthalene-1 -sulfonic acid, this product has considerable market prospects today. It is widely used in dyes, pigments and other chemical fields.
In the field of Guanfu dyes, 8- (anilinyl) naphthalene-1 -sulfonic acid can be an important intermediate. Through delicate chemical reactions, many dyes with bright colors and good fastness can be prepared. In today's world, textile, printing and dyeing industries are booming, and the demand for high-quality dyes is increasing day by day. The dyes made from this sulfonic acid can meet the strict requirements of the market for rich and lasting colors, so there must be a place in the dye market.
As for the field of pigments, it also has unique advantages. The pigments derived from it have good dispersion and stability, and can be used in the manufacture of inks, coatings and other products. Today, the construction, packaging and other industries are prosperous, and the demand for inks and coatings continues to rise. Pigments made from 8- (phenylamino) naphthalene-1-sulfonic acid can meet such market demand and have unlimited prospects.
Furthermore, with the continuous advancement of science and technology, researchers may have a deeper exploration and expansion of the properties and applications of 8- (phenylamino) naphthalene-1-sulfonic acid. New application fields, or new functional materials, will also be gradually opened. Therefore, it is expected to bloom even more brilliantly in the future market, injecting new vitality into the development of the chemical industry.