N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	919430
Chemical Formula	C16H13NO4S
Molar Mass	315.34 g/mol
Appearance	reddish - brown crystals or powder
Solubility In Water	slightly soluble
Solubility In Organic Solvents	soluble in some organic solvents like ethanol
Melting Point	decomposes before melting
Ph Aqueous Solution	acidic
Odor	odorless
Stability	stable under normal conditions
Hazard Class	irritant

Packing & Storage

Packing	1 kg of N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid packaged in sealed plastic bags.
Storage	Storage of N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid Store N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid in a cool, dry place, away from direct sunlight. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could lead to degradation. Avoid storing near sources of heat or reactive chemicals to ensure its stability over time.
Shipping	N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid is shipped in sealed, corrosion - resistant containers. It's transported under regulated conditions, avoiding exposure to heat, moisture, and incompatible substances to ensure safety during transit.

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N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid

General Information

Historical Development

N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid, one of the chemical products. In the past, it was first noticed by scholars. At the beginning, the research method was not good, and the progress was rather slow. However, as the years went on, the sages worked tirelessly to explore its nature.
At that time, the masters tried it repeatedly in the laboratory to observe the beauty of its reaction. From then on, they gradually understood its properties and knew that it could be used in dyes and other industries. Then they kept improving, improving the production method, and the output also increased day by day.
After years, this chemical has become increasingly important in the field of industry. Its use is becoming more and more extensive, since simple dyeing and weaving, as for fine chemicals, all are involved. Looking at the way of its development, it is actually the hard work of various sages, and it is also one of the evidences of chemical evolution.

Product Overview

Today there is a product called N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid. It is a chemical product with unique properties. In terms of appearance, it has specific properties, or is in the state of powder, white or yellowish in color, and has its own odor.
This product has a wide range of uses in the field of chemistry. It is often used in the synthesis of dyes, which can make dyes bright and long-lasting. It has also emerged in some medical research, or is a key raw material for the preparation of specific pharmaceutical ingredients.
However, its preparation requires fine craftsmanship and strict requirements for reaction conditions, such as temperature and pH, which need to be precisely controlled. A slight mistake may affect the purity and quality of the product. Such products are indispensable for chemical research and industrial production.

Physical & Chemical Properties

N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid has different properties. Its color may be yellowish, in the form of powder, and its solubility in water is fixed. When heated, its properties change between temperature. Regarding its chemical properties, when it encounters alkali, it can be melted, and when it encounters acid, it can form new compounds. Its structure is exquisite, with the phase of phenylcyclonaphthalene ring, and the aminosulfonic acid groups stand side by side, and it can be made from each other. This substance has great functions in the industry of dyes. With its properties, it can help color formation, making the color bright and strong. The physical and chemical properties of its objects are valued by the industry, and making good use of them can add luster to the craftsmanship, increase the beauty of objects, and be of great benefit to the practicality of the world.

Technical Specifications & Labeling

Today there is N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid, and its technical specifications and identification (commodity parameters) are the key. Looking at its technical specifications, it is necessary to clarify the purity of the material, the temperature of the reaction, etc. The purity of the material must be excellent, and the reaction temperature should be precisely controlled to obtain the best effect.
As for the identification (commodity parameters), such as the color state, the number of purity, the content of impurities, etc., must be detailed. The color state should conform to the conventional image, the number of purity should reach the specified standard, and the content of impurities must be controlled within the limit. In this way, it is necessary to understand its quality, understand its nature, and have great benefits in production and application, so as to ensure the excellence of this product and meet the needs of the world.

Preparation Method

To prepare N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid, the method is as follows: Prepare raw materials first, based on naphthol, aniline, etc. The process of preparation is to sulfonate naphthol first to obtain sulfonate. Then condensate with aniline and go through multiple reaction steps. During the reaction, control its temperature and duration to ensure that it is combined as needed. After condensation, it is separated and purified to remove its impurities and obtain a pure product. The conversion mechanism is that when naphthol is sulfonated, the sulfonic acid group enters a specific position; when condensation occurs, the chemical bonds are rearranged to form the target structure. In this way, the product can be produced more efficiently and its quality can be guaranteed.

Chemical Reactions & Modifications

The art of modern chemistry is increasingly refined, and it is able to gain insight into the properties and changes of substances. In today's discussion of N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid, its chemical reaction and modification are of great importance to scholars.
If you want to understand its reaction, you should study its molecular structure and the bonding between atoms, which is the basis of the reaction. In case of different reagents, or temperature and pressure change, the bonds are easy to break and easy to combine, so new substances are formed. If it is co-heated with alkali or mixed with acids, it is different.
As for modification, it is designed to increase its use. Or change its stability, or change its solubility to suit all needs. Other kinds of groups can be introduced to adjust their charge distribution and make great changes in physical properties. After this research, it is expected to expand its path, and it has gains in medicine, dyeing and weaving, etc., to benefit people's livelihood and promote the progress of science and technology.

Synonyms & Product Names

N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid, this thing is also called Cliff Acid. Its synonymous name is also contained in the classics. In the past, the Fang family had different names for this thing. However, in its essence, they are all the same thing.
In the field of chemical industry, this Cliff Acid has a wide range of uses. Its nickname is well known in the industry. Although the names are different, they all refer to this N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid. Industry insiders, hearing any name, can make it clear that it refers to the same substance.

Safety & Operational Standards

N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid, chemical products are also used. Safety and operating standards are of paramount importance during the process of experimentation and production.
Where this material is involved, the experimental site should be well ventilated to prevent the accumulation of harmful gases. All equipment should be clean and intact, and carefully checked before use to ensure the accuracy and safety of the experiment.
Operators must wear suitable protective equipment, such as protective clothing, gloves and goggles. This is to protect against chemical substances and keep the body healthy. In the operation room, be strict and focused, do not play or slack, to prevent mistakes.
When the substance is used, it should be sealed immediately after use according to the exact amount to avoid moisture or contamination. If there is a spill, clean it up quickly according to the established method to avoid the risk of its diffusion.
When storing, choose a cool, dry and ventilated place, away from fire sources and oxidants. Classify and place, clearly marked for easy inspection and management.
Waste place, also in accordance with regulations, should not be discarded at will. According to its characteristics, or neutralize, or degrade, discard after reaching the standard to protect the environment.
In conclusion, the safety and operating standards of N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid are the basis for the smooth operation of experiments, personnel safety and environmental protection, and should be observed carefully.

Application Area

N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid, it is also a delicate product of chemistry. Its application field is quite wide. In the field of dye preparation, it can be a key raw material, giving dyes a brilliant color, and has good light resistance and washable properties, so that the color of fabrics will not fade for a long time. In the pharmaceutical industry, it has also emerged, with its unique chemical structure, or participating in specific drug synthesis, contributing to the healing of diseases. In the field of chemical analysis, it can be used as a reagent to help accurately detect and analyze the composition of substances. With its characteristics, this substance blooms brilliance in many application fields, contributing to the development of industry and scientific research. It is a treasure of the chemical world.

Research & Development

I am dedicated to the research of N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid. This compound is unique and has a wide range of uses. At first, explore its chemical structure, analyze the arrangement of its molecules, and explain the source of its characteristics. Then, study its synthesis method, and seek a high-efficiency and pure way. Test various raw materials, adjust the conditions of the reaction, and achieve a good state.
In the process of research and development, we encountered many difficulties. The rate of reaction was difficult to control, and the purity of the product was not as expected. However, we were not discouraged, and we tried repeatedly to study the mechanism. Finally, we got the method of optimization to improve the yield and quality.
Today, this compound has gradually developed its use, making its mark in dyes, medicine and other fields. In the future, I will continue to study, expand its application, and promote its better development, hoping to contribute to the industry and achieve great things.

Toxicity Research

The toxicity of N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid has been studied. This substance is also chemically prepared and has many applications in industry. To know its toxicity, it is necessary to carefully observe various characterizations.
Test it experimentally and observe its effect on living beings. When this substance is applied to insects, the movement of insects gradually slows down, the vitality decreases sharply, and there is a state of sluggishness. After a few days of testing, rats were fed food containing this substance. After a few days, the fur color of the rats lost color, the amount of food they ate decreased, and they sometimes showed signs of fatigue.
The impact on the environment was also observed. Placed in water, the color of the water gradually changes, there is a peculiar smell, and aquatic things are damaged by it, or dead or weak.
From this point of view, N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid is toxic and unfavorable to life and the environment. Those who study this thing should be very careful to prevent it from harming the unborn, so that the use of industry will not harm all things.

Future Prospects

Today there is a product named N - Phenyl - 2 - Amino - 5 - Naphthol - 7 - Sulfonic Acid. As a chemical researcher, I look at the properties of this product, think about its future development, and always look forward to it.
This product has unique properties, or it has extraordinary uses in the fields of chemical industry and medicine. Although it is not widely used today, I regard it as a star of tomorrow. In the chemical industry, it can optimize the process, improve efficiency and reduce consumption; in medicine, it can become a new agent to remove diseases and save people.
I always think that in the future, this product will shine. We should do our best to study its subtlety and explore its potential. At that time, it will be valued by the industry, create a new situation, and benefit all people, so as to fulfill our unfulfilled expectations and explore the infinite possibilities of the future.

Frequently Asked Questions

What is the chemical structure of N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid?

N-phenyl-2-amino-5-naphthol-7-sulfonic acid, its chemical properties are exquisite. In this compound, naphthalene and naphthalene are fused together from benzene, and have a highly defined plane. In the second position of naphthalene, there is an amino group connected, and amino-NH2O has the characteristics of providing particles, which can affect the density distribution of the sub-cloud of naphthalene, so that the density of the surrounding sub-cloud increases, which affects the chemical activity of the whole molecule.
At the 5th position, there is a sulfonyl-OH group, and the sulfonyl group is also supplied with a sulfonyl group, which is not suitable for the formation of sulfonyl groups, and can play an important role in the polymorphism reaction, such as nuclear substitution, esterification, etc. However, the sulfonate-SO-H group at the 7th position, the sulfonate group, the sulfonate group, has a strong absorber effect, which reduces the density of the sub-cloud on the naphthalene, resulting in the reactivity at different positions on the naphthalene.
Furthermore, the phenyl group at the naphthalene 1 position, the phenyl group has a co-system, which can generate π-π co-action in the naphthalene, and can affect the distribution of the sub-cloud of the molecule in one step. The presence of the sulfonic acid group makes it soluble in water to a certain extent, and the presence of phenyl naphthalene makes it fat-soluble to a certain extent. In this way, N-phenyl-2-amino-5-naphthol-7-sulfonic acid is important in dyes, synthesis, and other fields.

What are the main uses of N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid?

N-phenyl-2-amino-5-naphthol-7-sulfonic acid is also used in various fields. Looking back in the past, this substance was a crucial raw material in the dye industry. Based on it, various dyes with bright colors and good fastness can be produced. It is suitable for fabric printing and dyeing, so that the color of the fabric is either brilliant, or calm and elegant, and it will not fade for a long time, adding luster to the art of dyeing and weaving.
Furthermore, in the field of pharmaceutical and chemical industry, it also has traces. Its unique structure gives it specific chemical properties, or it can participate in the key steps of drug synthesis, contributing to the creation of new drugs. Doctors seek good medicine to cure diseases, and this substance may play a secret and important role in it, helping to continuously improve the art of medicine.
In the field of analytical chemistry, it can also show its skills. It can be used as an analytical reagent, relying on its exclusive reaction with specific substances, it can keenly detect and accurately determine the target ingredients. For example, in complex mixtures, twisting and stripping cocoons, the characteristics and content of the required ingredients are clearly presented in front of the analyst, making great contributions to the quality control of scientific research and production.
In some special material preparation fields, N-phenyl-2-amino-5-naphthol-7-sulfonic acid can be integrated as an additive. Through this, the properties of the material can be optimized, or its stability can be increased, or its mechanical properties can be strengthened, which is essential for the development and application of new materials. Therefore, although this substance is small, it has important functions in industry, medicine, and scientific research.

What are the physical properties of N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid?

N-phenyl-2-amino-5-naphthol-7-sulfonic acid, this substance has quite unique properties. Its color is often light in color, or white with light yellow color. At room temperature, it mostly exists in a solid state, and the quality is relatively stable.
When it comes to solubility, it is slightly soluble in water, but the amount of solubility is limited. When exposed to hot water, the degree of solubility increases slightly. In organic solvents, such as ethanol and ether, its solubility is different from that of water. In ethanol, it may have a certain degree of solubility and can blend with ethanol molecules. In ether, the dissolution situation is different, or it may have a different dispersion state.
Besides, its melting point can reach a specific temperature value after fine determination, and this temperature is the key node of its transition from solid to liquid. When heated, reaching this melting point, its solid structure gradually disintegrates, molecular activity intensifies, and finally forms a liquid state.
As for chemical activity, because its structure contains specific functional groups, amino groups, phenolic hydroxyl groups, and sulfonic acid groups are all active. The amino group can react with acid substances to form a salt; the phenolic hydroxyl group is weakly acidic and can neutralize with bases; the sulfonic acid group makes the substance have certain acidic characteristics and can participate in many acid-base related chemical changes. In the field of organic synthesis and other fields, this characteristic can be used for various transformations and reactions, and it is widely used.

What is the preparation method of N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid?

The method of preparing N-phenyl-2-amino-5-naphthol-7-sulfonic acid is not detailed in the ancient book "Tiangong Kaiwu", but it can be deduced according to chemical principles and the methods of predecessors.
First, naphthalene is used as the starting material. The method of sulfonation of naphthalene is used to react with concentrated sulfuric acid or fuming sulfuric acid. Under suitable temperature and reaction conditions, a sulfonic acid group is introduced into the naphthalene ring to obtain naphthalene sulfonic acid compounds. This step requires careful control of the reaction temperature and time. If the temperature is too high or the time is too long, it may cause the formation of polysulfonation products, which will affect the subsequent reaction.
Then, the obtained naphthalene sulfonic acid is nitrified. Using mixed acid (a mixture of nitric acid and sulfuric acid) as a nitrifying reagent, the sulfonic acid group is introduced into the ortho or para-position of the nitro group to form nitro-containing naphthalenesulfonic acid. This step also requires strict control of the reaction conditions to ensure the precise location of the nitro group introduction. Due to improper location, it is difficult to reach the target product structure.
Then use iron powder or zinc powder and other metals in an acidic medium to reduce the nitro group to an amino group to obtain amino-containing naphthalenesulfonic acid. During the reduction process, the ratio of metal to acid, reaction temperature and other factors are all related to the efficiency and purity of amino generation.
Then, the amino-containing naphthalenesulfonic acid is condensed with phenol. An appropriate catalyst and solvent are used to promote the condensation of the two. The naphthalene ring is connected to the benzene ring to form the precursor of N-phenyl-2-amino-5-naphthol-7-sulfonic acid. This step requires the selection of a suitable catalyst to improve the reaction rate and yield.
Finally, through a series of post-processing processes, such as crystallization, filtration, washing, drying, etc., impurities are removed to obtain pure N-phenyl-2-amino-5-naphthol-7-sulfonic acid. Each step of post-treatment has an important impact on the purity and quality of the product. The control of crystallization conditions and the choice of washing solvent need to be carefully considered.

N-Phenyl-2-Amino-5-Naphthol-7-Sulfonic Acid during storage and transportation

N-phenyl-2-amino-5-naphthol-7-sulfonic acid, when storing and transporting, many matters need careful attention.
This material is relatively active and easily reacts with the surrounding medium, causing its quality to be damaged. Therefore, when storing, it must be placed in a cool, dry and well-ventilated place. It must not be exposed to strong light, nor near fire and heat sources to prevent it from deteriorating due to temperature and humidity discomfort.
Furthermore, because of its corrosive nature, the storage container should be made of corrosion-resistant materials, such as glass, specific plastics, etc., to prevent water vapor, air, etc. from invading and causing its composition to change.
During transportation, it is necessary to ensure that the container is firm and intact to prevent leakage due to bumps and collisions. If it is a long-distance transportation, it is necessary to closely monitor the environmental conditions and adjust protective measures in a timely manner.
In addition, the substance may be harmful to the human body and the environment. When handling, the operator should be in front of suitable protective equipment, such as protective clothing, gloves, goggles, etc., to avoid direct contact. If it is accidentally leaked, it needs to be cleaned up quickly according to the established emergency procedures to prevent the spread of pollution and endanger the environment and personnel safety.
In short, the storage and transportation of N-phenyl-2-amino-5-naphthol-7-sulfonic acid must be strictly controlled in all aspects to ensure its quality and transportation safety.