2-Naphthylamine-6-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	600165
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	white to light brown solid
Solubility In Water	slightly soluble
Melting Point	180 - 185 °C
Pka	around 3 - 4 (approximate value for acidic group)
Odor	odorless (usually)
Density	approx. 1.4 - 1.5 g/cm³ (estimated)
Stability	stable under normal conditions, but may decompose on heating or in contact with strong oxidizing agents
Hazard Class	harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	500 - gram pack of 2 - Naphthylamine - 6 - Sulfonic Acid in airtight chemical - grade container.
Storage	2 - Naphthylamine - 6 - 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 contact with air. Store separately from oxidizing agents and bases, as it may react. Follow proper labeling and safety procedures to ensure safe storage.
Shipping	2 - Naphthylamine - 6 - Sulfonic Acid should be shipped in well - sealed containers, protected from moisture and heat. Follow strict regulations for transporting hazardous chemicals to ensure safety during transit.

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General Information

Historical Development

The history of the product of 2-naphthylamine-6-sulfonic acid is quite impressive. In the past, chemical sages were well-intentioned in exploring the properties of substances and the method of making them. The initial appearance of this product is the fruit of everyone's research. In the early days, the method of preparation was still simple, but the quality and quantity were not enough.
After the year, it changed, and everyone was unremitting, and there were many improvements in the process. From the selection of raw materials to the design of the process, all strive for excellence. So the production of this product is gradually enriched and the quality is better. The field of application is also from narrow to wide, and it is involved in the dyeing industry and the pharmaceutical industry. The progress of its history depends on the wisdom and diligence of the sages, and it has become what it is today.

Product Overview

Today there is a compound called 2 - Naphthylamine - 6 - Sulfonic Acid. This is an organic compound with unique chemical properties. Its appearance may be white to light yellow crystalline, and it is often used as an important intermediate in specific chemical reactions.
In the chemical industry, this compound has a wide range of uses. It can be used in the synthesis of dyes, with its special structure, giving dyes a bright color and good stability. Its reactivity is also the key, and it can be cleverly combined with a variety of reagents to derive a variety of products.
Furthermore, it has attracted much attention in research. Chemists have carefully explored the reaction mechanism, striving to gain a deep insight into the mysteries of chemical changes, with the aim of expanding the boundaries of organic synthesis and laying the foundation for the research and development and innovation of new materials. The potential of this compound needs to be further tapped and utilized to benefit many related fields.

Physical & Chemical Properties

2-Naphthylamine-6-sulfonic acid, the physical and chemical properties of this substance are related to many aspects. Its appearance is often in a specific state, or crystalline, and its color is also characterized. In terms of solubility, it shows different solubility in specific solvents, or easily soluble in water, or slightly soluble in certain organic solvents. Thermal stability is also a key property. When heated, it may decompose or melt, and the temperature nodes are different.
Its chemical properties are active, and the sulfonic acid group can participate in many reactions, such as neutralization with bases to form corresponding salts. Naphthylamine is partially reactive and can participate in coupling reactions. Due to its physical and chemical properties, it has unique uses in industrial production and scientific research experiments. It can provide a raw material basis for dye synthesis, and is also an important object of chemical research.

Technical Specifications & Labeling

2-Naphthylamine-6-Sulfonic Acid Technical Specifications and Labeling (Product Parameters)
This 2-naphthylamine-6-sulfonic acid, its technical regulations, the first selection of raw materials, all materials must be accurate in purity, and impurities should not exceed the limit. When preparing, temperature control, speed regulation, and timing are all important. In the reactor, the temperature should be stable in a certain area, the stirring rate is appropriate, and the time is accurate, so as to ensure the smooth reaction and the purity of the product.
As for the label, its packaging should be labeled "2-naphthylamine-6-sulfonic acid", with parameters such as molecular formula and molecular weight. And note the warning language to indicate its characteristics and hazards. Also remember the product parameters such as batch and production date for traceability. In this way, it meets the requirements of technical procedures and labels.

Preparation Method

The method of preparing 2-naphthylamine-6-sulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The raw materials are commonly used in 2-naphthylamine and fuming sulfuric acid. In the reactor, the temperature is controlled to a suitable temperature, such as 80 to 100 degrees Celsius, and the fuming sulfuric acid is slowly added. This is the key step. After the sulfonation reaction, the sulfonic acid group is ingeniously integrated into the naphthylamine structure. After the reaction, the product is treated by means of cooling and neutralization. During neutralization, choose a suitable alkali solution, such as sodium hydroxide solution, until the pH is neutral. Subsequent purification by filtration, crystallization, etc., to obtain pure 2- In the catalytic mechanism, fuming sulfuric acid not only acts as a sulfonating agent, but also as a catalyst to accelerate the reaction process, increase the yield, and ensure the quality and stability of the product.

Chemical Reactions & Modifications

In recent times, the chemical refinement has deepened in the study of 2-Naphthylamine-6-Sulfonic Acid. The chemical reaction of this compound has been explored by many families. In the past, the reaction method may not be good, the yield is not high, and the product is impure.
So all the wise men worked hard to improve its chemical properties. After repeated tests, the reaction conditions were carefully studied, such as temperature and the genus of solvents. Observing the temperature, the reaction rate and the quality of the product vary greatly. Different solvents were selected to observe their effects on the reaction, and finally the method of optimization was obtained.
As a result, the yield of 2-Naphthylamine-6-Sulfonic Acid is significantly increased, and the purity of the product is also good. This is of great significance to the chemical industry, which can be said to make good use of chemical reactions and changes in chemical properties to achieve excellence.

Synonyms & Product Names

2-Naphthylamine-6-Sulfonic Acid, this object is also known as Scheffler's acid. Looking at its other names, they all refer to the same thing. In the field of chemistry, there are many people who have the same thing but different names, all because of the process of discovery and the emphasis of research.
In the past, various sages explored the mysteries of matter, and named it according to what they observed and felt. Although it has a standard name, it is still in the literature and books for people to recall the way of inquiry in the past.
Scheffer's acid has uses in chemical industry and scientific research. When scholars mention this object, or use its scientific name, or call it by its common name, no matter what it is called, it is clear that it refers to 2-Naphthylamine-6-Sulfonic Acid. Its synonyms also add a unique color to the history of chemistry, indicating the journey of human cognition of the material world from shallow to deep.

Safety & Operational Standards

Nowadays, there are chemical products, called 2 - Naphthylamine - 6 - Sulfonic Acid. Their production is related to safety and operation standards, and cannot be ignored.
In the preparation site, the safety of the environment is the first priority. The house must be spacious and ventilated to prevent the accumulation of harmful gas. The lighting should be bright and stable, and there should be no flickering of light and dark, so that the operator can see the object clearly. In addition, the temperature and humidity should also be controlled in a suitable area, so as not to affect the quality and properties of the material.
The operator must wear a special suit, which can resist chemical erosion, and is light and flexible, without hindering the movement. You need to wear tough and corrosion-resistant gloves on your hands, wear non-slip and damage-resistant shoes on your feet, and have a protective helmet on your head. Before entering the factory, you must undergo special training to be familiar with the properties of this material, know the safety requirements, and understand the rules of operation.
As for the operation, when using materials, you must measure them with precision, and there must be no difference in the slightest. Mix and stir, the speed and strength are fixed. If it is too fast, it is easy to change, and if it is too slow, it is difficult to achieve expectations. Heating and cooling also need to be done according to the rules, and the temperature should not be exceeded.
After it is made, storage is also exquisite. When placed in a dry and cool place, away from fire sources and strong oxidants. The stored device must be tightly sealed to prevent leakage.
When handling this object, the action should be stable and light, and it should not be bumped and collided. During transportation, proper protection is also required to ensure its safety.
In short, the preparation, storage, and handling of 2-Naphthylamine-6-Sulfonic Acid are all based on safety, and the operation is in accordance with regulations, so as to ensure people's safety and safety, and everything goes smoothly.

Application Area

2-Naphthylamine-6-sulfonic acid, this compound has a wide range of uses. In the field of printing and dyeing, it can be used as an intermediary for azo dyes. The resulting dyes are bright in color and have good fastness. After dyeing the fabric, the color will not fade for a long time. In the pharmaceutical and chemical industry, it also plays an important role. It is a key raw material for the synthesis of specific drugs and has positive effects on the treatment of certain diseases. In the field of pigment manufacturing, it can help generate high-quality pigments, which are widely used in paints, inks and other industries to make the products colorful and lasting. Its performance in many application fields is like the stars shining in the night sky, which is indispensable. It injects a steady stream of power into the development of related industries and promotes the industry to move towards a brighter future

Research & Development

In the field of chemical industry, 2 - Naphthylamine - 6 - Sulfonic Acid is the focus of research. Our generation studied it to clarify its properties and expand its use.
At first, analyze its structure and explore its physicochemical quality. Then observe the rules of its reaction, hoping to control it. After repeated trials, in the synthesis method, some gains have been made, so that the yield is increasing day by day, and the purity is higher.
And looking at its application in various fields, the industry of dyes depends on it to add color and color; in the road of medicine, it also has its potential. We continue to study, hoping to tap its more potential, so that it can make great progress in industry and people's livelihood. With time, we will be able to rely on this research to promote its development and benefit the world.

Toxicity Research

Guanfu 2 - Naphthylamine - 6 - Sulfonic Acid This substance, the study of its toxicity is of the utmost importance. In the past, people did not have a deep understanding of its toxicity, and many were negligent. However, today is different from the past, we use scientific methods to investigate in detail.
After many experiments, this compound exists in the body, or enters the body through the mouth, nose, and skin. After entering the body, it may mess up the functions of the organs and damage the operation of qi and blood. Its toxic attack, mild or dizziness, weakness of limbs, and serious may endanger life.
We should be careful, when it is produced and used, we must follow strict regulations, and protect it well, so as not to allow poison to invade the body. We hope that with our research, we can make everyone understand the harm, avoid disaster before it occurs, and ensure everyone's well-being. This is the wish of our generation.

Future Prospects

Husband 2 - Naphthylamine - 6 - Sulfonic Acid is also a thing of transformation. We study it, hoping that it will have extraordinary development in the future. This compound is unique, or can be used in many domains.
Not yet, it may work wonders in the field of, assisting in the research of new diseases, solving the suffering of patients. Or in the material science, Expose angle, material with new energy, High-tech.
Our scientific researchers, Diligent research, Secret, so that 2 - Naphthylamine - 6 - Sulfonic Acid will be used in the world, benefit people.

Frequently Asked Questions

What are the chemical properties of 2-naphthylamine-6-sulfonic acid?

The 2-% pentanal-6-octanoic acid is also an organic compound. The nature of pentanal is a colorless liquid with an irritating aroma. Under normal temperature and pressure, its boiling point is about 103 ° C, and its melting point is nearly -91 ° C. It is easily soluble in organic solvents such as alcohols and ethers, but slightly soluble in water. Valeraldehyde is active and can participate in a variety of chemical reactions, such as oxidation reactions, and can be oxidized to valeric acid. It can also undergo nucleophilic addition reactions with nucleophiles. This is because its carbonyl group is electrophilic.
As for 6-octanoic acid, it is a colorless oily liquid with a weak sour odor. The boiling point is about 237 ° C and the melting point is about 16.5 ° C. Slightly soluble in water, soluble in ethanol, ether and other organic solvents. Octanoic acid is acidic because its carboxyl group can ionize hydrogen ions. This acid can react with bases to form salts, and can also react with alcohols to form corresponding esters.
The two have different chemical properties. Valeraldehyde is mainly a carbonyl reaction and has reductive properties; while 6-octanoic acid is mainly a carboxyl reaction and is acidic. Both have their own uses in organic synthesis and other fields. Valeraldehyde can be used as a raw material for fragrance synthesis or for the preparation of other organic compounds; 6-octanoic acid can be used to prepare plasticizers, lubricants, and is also used in the fragrance industry.

What are the main uses of 2-naphthylamine-6-sulfonic acid?

Two is Cang Cang, white, the collective name of the Six Divine Comedy is spicy polygonum, Artemisia annua, almonds and other medicines after adding flour or bran mixed, fermented by the Qu agent. The main uses of the two are as follows:
two
- ** Cang Cang **: its nature is warm, taste refreshing, bitter, return to the spleen, stomach, liver meridian. It has the ability to dry and damp the spleen, can treat dampness and medium coke, see abdominal fullness, loss of appetite, nausea and vomiting, fatigue and fatigue, thick and greasy tongue coating and other diseases. Such as "Taiping Huimin and Agent Bureau Prescription" of Pingwei Powder, with Cang Cang combined with Magnolia, tangerine peel, licorice, dry and wet to transport the spleen, qi and It also has the effect of dispelling wind and dissipating cold. It can be used to treat rheumatism and arthralgia pain, and it is especially suitable for arthralgia syndrome with excessive cold and dampness. The Juanbi Decoction of "Class Syndrome Treatment and Judgment" is used equally with Qianghuo, Duhuo, and Guizhi to remove wind and dampness, clear collaterals and relieve pain. It can also be used for night blindness and dizziness of eyes. It can be used alone, or cooked with sheep liver and pig liver.
- ** White < **: Warm in nature, sweet in taste and bitter in return to the spleen and stomach meridians. It is good to strengthen the spleen and nourish qi. It is used to treat weakness of the spleen and stomach, less food, loose stools, fatigue and fatigue. It is often mixed with Codonopsis, Poria cocos, Can dry dampness and benefit water, treat phlegm and edema that stop within the water and dampness, such as the sweet soup of Linggui in "The Outline of the Golden Chamber", white rice is compatible with Poria cocos, cinnamon branches, and licorice. Warm yang and drink, strengthen the spleen and benefit water. It also has the power of fixing the surface and antiperspiration, and treats qi deficiency and spontaneous sweating. It is mostly used with astragalus and windproof, such as Yupingfeng powder. It can also be used to calm the fetus with spleen deficiency and restlessness, often compatible with Amomum, etc.
Six Divine Comedy
- ** digestion and stomach **: Six Divine Comedy has a sweet and refreshing taste, warm in nature, enters the spleen and stomach meridians, and requires medicine for digestion and accumulation, especially good Symptoms see stagnation in diet, abdominal fullness, belching acid swallowing, do not want to eat, etc., often used equally with hawthorn and malt, such as Baohe Pills in "Danxi Heart Method".
- ** Invigorate the spleen and appetizer **: It can strengthen the spleen and stomach, increase appetite, for those who are weak in the spleen and stomach, weak in transportation and transformation and cause insoluble food accumulation, this product can be added to the spleen and stomach medicine to help the movement and transformation, and open the spleen and appetizer, such as in the spleen-strengthening pills, the Six Divine Comedy is compatible with Dangshen, Atractylodes, Poria and other spleen-strengthening medicines to play the power of strengthening the spleen and stomach, eliminating food and antidiarrhea.

What is the preparation method of 2-naphthylamine-6-sulfonic acid?

The preparation method of 2-% naphthol-6-sulfonic acid, also known as chevrosch acid, is as follows:
Naphthol is sulfonated with concentrated sulfuric acid under specific conditions. First, select an appropriate amount of pure naphthol, place it in a special reactor, and slowly inject the concentrated sulfuric acid that has been carefully selected and the concentration is appropriate. This process requires great attention to temperature control and needs to be maintained in a specific temperature range. If the temperature is too high or too low, it will affect the reaction process and the purity of the product. Generally speaking, in the initial stage of the reaction, the temperature should be kept in a relatively mild range. As the reaction progresses gradually, the temperature can be slightly adjusted according to the actual situation.
During the reaction process, it is necessary to continue to stir evenly to ensure that naphthol and concentrated sulfuric acid can be fully contacted to make the reaction proceed smoothly. After the reaction has been carried out for a period of time, professional chemical testing methods should be used to monitor the degree of reaction. When the test results show that the reaction has reached the desired level, that is, the required 2-naphthol-6-sulfonic acid is generated, the reaction should be stopped in time.
Then, a series of post-processing operations are carried out on the reaction product. This step is designed to remove impurities and improve the purity of the product. First, the reaction product is slowly poured into an appropriate amount of water and diluted. During this period, attention should also be paid to mixing evenly. After that, the relatively pure 2-naphthol-6-sulfonic acid crystals can be obtained by separation and purification methods such as filtration, extraction, crystallization, etc. The whole preparation process requires strict reaction conditions and operation procedures, and professional chemical knowledge and skilled experimental skills are required to successfully prepare high-quality 2-naphthol-6-sulfonic acid.

What are the precautions for storing and transporting 2-naphthylamine-6-sulfonic acid?

In the storage of 2-naphthol-6-sulfonic acid, it is very important to pay attention to the matter, and be careful.
First, the environment of this chemical substance may be harmful, so if it is not stored, it must be prevented from leaking. If it is accidentally leaked, it may flow into the soil and water, endangering the health of the surrounding area, breaking the place of biological rest, and the balance of life. Therefore, the storage container of the equipment needs to be sealed and checked regularly to ensure its leakage.
Second, 2-naphthol-6-sulfonic acid has chemical activity and is easy to react to other substances. If it is not stored, it must be oxidized, original, acid and other substances. This object should meet, or cause a strong reaction, causing an explosion, fire and other situations. If it is too dangerous, it should not be mixed with the above-mentioned dangerous products to prevent accidents.
Third, consider its physical rationality. This object may be modified under a specific degree and degree. It is best to store it in the dry, dry, and transparent environment, and avoid direct light exposure to the high environment. On the way, it is also necessary to control it to prevent it from being affected by external objects.
Fourth, human safety should not be ignored. 2-Naphthol-6-sulfonic acid or human body is harmful, and skin contact, inhalation or food can cause health harm. The operator must be equipped with protective clothing, gloves, gas masks, etc. The warehouse also has a first aid and emergency management plan, which can be quickly rescued in case of an accident and reduce the harm to a minimum.

What are the effects of 2-naphthylamine-6-sulfonic acid on the environment and human health?

2-% pentanal-6-octanoic acid, the influence of this substance on the environment and human health, although the ancient sages did not elaborate, but with today's scientific knowledge, they can also know a thing or two.
The pentanal is also an irritating organic compound. If it is in the environment, it may contaminate the air, water and soil. When people touch it, there is a risk of irritation to the skin, eyes and respiratory tract. Occasionally, it may cause skin redness and itching, eye tingling, and difficulty breathing; if it is in the environment containing pentanal for a long time, it may cause chronic damage to the lungs and other respiratory organs, causing cough and asthma.
And octanoic acid, although slightly milder than pentanal, should not be underestimated. In the environment, it may participate in many chemical reactions, which affect the ecological balance. As for the human body, excessive intake or exposure to caprylic acid may cause digestive system disorders, such as nausea, vomiting, abdominal pain, etc. And if caprylic acid is absorbed through the skin, or disturbs the normal metabolism of the skin, causing skin discomfort.
In the environment, if these two are released in nature, or change the acid and alkali of the soil, it will affect plant growth. In aquatic organisms, or destroy their living environment, endangering population reproduction. In human health, careless contact with protection, mild discomfort, severe illness or damage to organs, affecting the quality of life. Therefore, in today's world, substances containing these two should be handled with caution to protect the environment and human safety.