Products

1-Naphthylamine-8-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code

357803

Chemical Formula C10H9NO3S
Molar Mass 223.25 g/mol
Appearance White to light yellow crystalline powder
Solubility In Water Slightly soluble
Solubility In Organic Solvents Soluble in some organic solvents like ethanol
Melting Point 280 - 285 °C
Ph Acidic
Pka Around 3 - 4
Odor Odorless
Stability Stable under normal conditions
Packing & Storage
Packing 1 - Naphthylamine - 8 - Sulfonic Acid: Packed in 5 - kg bags for secure storage and transport.
Storage 1 - Naphthylamine - 8 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat and direct sunlight. Keep it in a tightly closed container to prevent moisture absorption and exposure to air. Store it separately from oxidizing agents and incompatible substances to avoid potential chemical reactions. Ensure proper labeling for easy identification.
Shipping 1 - Naphthylamine - 8 - Sulfonic Acid is a chemical that should be shipped in well - sealed, corrosion - resistant containers. It must be transported in accordance with hazardous chemical regulations, ensuring proper labeling and handling to prevent spills and environmental risks.
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1-Naphthylamine-8-Sulfonic Acid
General Information
Historical Development
1 - Naphthylamine - 8 - Sulfonic Acid is also a chemical substance. Its origin is early, and in the past, many researchers have researched and sought new substances, and many times have been explored. For the first time, we have known some of its characteristics, but we still need to study it for a long time.
After a long time, the chemists will work together to research and understand its properties. This compound is used in the fields of dyes, materials, etc. From the initial ignorance, to the day when it can be used well, its hard work.
Past research, or the development of technology, is slow, but the ambition of those who do not. Today, 1 - Naphthylamine - 8 - Sulfonic Acid is no longer a stranger in the past. It has an important position in many aspects such as engineering, engineering, etc., which is recognized by the achievements of the research process.
Product Overview
1 - Naphthylamine - 8 - Sulfonic Acid is an important chemical substance. Its shape or crystalline state, with specific physical and chemical properties. This compound has a wide range of uses in the chemical field. In the preparation of dyes, it is often used as a key raw material, which can endow dyes with unique color and stability. In some medical research directions, it also shows potential value, or is helpful for drug development for specific diseases. Its preparation process requires fine control, involving many chemical steps and conditions. From the selection of raw materials to the regulation of the reaction process, it is all about the purity and quality of the product. In-depth research on 1 - Naphthylamine - 8 - Sulfonic Acid may bring new breakthroughs and development opportunities for chemical, pharmaceutical and other industries, and promote technological progress in related fields.
Physical & Chemical Properties
1-Naphthylamine-8-sulfonic acid, the physical and chemical properties of this substance are quite important. Its shape or crystalline, white to yellowish in color. The number of melting points varies depending on the difference between the measurement method and the purity. In water, it has a certain solubility and changes with temperature. In organic solvents, there are also different dissolution situations.
Its chemical properties are active, the sulfonic acid group is acidic, and it can form salts with bases. The naphthylamine part has amino properties and can participate in a variety of reactions, such as reacting with acid chloride to form amides and reacting with nitrous acid to obtain diazonium salts. Due to its special structure, it is widely used in dyes, medicine, and other industries. It can be used as a raw material for the synthesis of a variety of compounds and help to create products with specific properties.
Technical Specifications & Labeling
1 - Naphthylamine - 8 - Sulfonic Acid's technical regulations and labels (commodity parameters)
Guanfu 1 - Naphthylamine - 8 - Sulfonic Acid This product, its technical regulations are very important. As for the preparation method, it is necessary to follow a precise process, the material compatibility must be in proportion, and the reaction temperature and time are fixed. If the material is mixed, when it is gradually mixed, the stirring must be uniform to make the blending uniform, so that the best effect can be obtained.
As for the logo, the product parameters should be detailed. The color state should be clearly marked, either crystalline or powder, and the texture should also be explained. The purity is particularly critical, and it must be determined by an accurate method. It is shown on the logo, and the user can see it at a glance. And on the packaging, warning signs are indispensable and related to safety. If the product has corrosive, toxic, and other characteristics, it should be marked with a prominent logo to prevent accidental touch and misuse, and to ensure the safety of people and goods.
Preparation Method
1 - Naphthylamine - 8 - Sulfonic Acid is an important chemical. The preparation method is related to the raw materials and production process, reaction steps and catalytic mechanism. The raw materials, when taking pure naphthalene, are supplemented by sulfuric acid, nitric acid, etc. First, the naphthalene is co-heated with sulfuric acid to produce naphthalene sulfonic acid. This step requires precise temperature control, about 160-180 ° C, so that the sulfonic acid group is just at the designated position of the naphthalene ring.
Then, the naphthalene sulfonic acid reacts with nitric acid to perform nitrification to obtain nitronaphthalenesulfonic acid. This reaction must carefully adjust the concentration of nitric acid and the reaction temperature to prevent side reactions. With suitable reducing agents, such as iron powder and hydrochloric acid, the nitro group is reduced to an amino group to obtain 1-Naphthylamine-8-Sulfonic Acid. In the catalytic mechanism, sulfuric acid acts as a catalyst during sulfonation to promote the introduction of sulfonic acid groups; when iron powder is reduced with hydrochloric acid, iron acts as an electron donor to accelerate the process of nitro-to-amino conversion. In this way, the reaction steps are followed in sequence to obtain this compound.
Chemical Reactions & Modifications
Nowadays, there is a chemical substance 1 - Naphthylamine - 8 - Sulfonic Acid. Our generation is a chemical researcher to explore its chemical reaction and modification. The reaction of this substance is related to many chemical mechanisms. The reactions it participates in, or under specific conditions, chemical bond cracking and recombination, substitution and addition change.
The modification method aims to optimize its properties. Or introduce specific groups and change its molecular structure by chemical synthesis. Make this substance improved in solubility and stability. In this way, it may be able to expand its application in various fields of industry and scientific research. After repeated experiments, the reaction phenomenon was observed, and the product characteristics were analyzed. It was expected to make achievements in the exploration of chemical reactions and modifications, which contributed to the development of the chemical field.
Synonyms & Product Names
1 - Naphthylamine - 8 - Sulfonic Acid is also a chemical compound. It has many similarities and different trade names. In ancient times, there was no such thing, but now it is a chemical compound.
Those with the same name, such as 8-amino-1-naphthalenesulfonic acid, etc., all refer to this compound. Commercial names vary depending on the home and application. Or because of its characteristics, it is useful for dyes, chemical synthesis and other fields.
Its chemical production is exquisite, and its reverse characteristics are special. It can interact with general substances and generate new compounds. For the sake of research and research, it is very important to know the name, so as to avoid confusion, so as to make the research profitable and productive.
Safety & Operational Standards
1 - Naphthylamine - 8 - Sulfonic Acid is an important chemical product and is widely used in the industrial field. However, its safe production and standardized operation are related to the well-being of practitioners and the safety of the environment, and must not be underestimated.
To ensure the safety of the production of 1 - Naphthylamine - 8 - Sulfonic Acid, the first thing to do is to create a safe environment at the production site. The construction of the plant must meet many standards such as fire prevention, explosion protection, and anti-virus. The ventilation system is also crucial to ensure smooth air circulation to avoid the accumulation of harmful gases. The lighting equipment should be stable and meet safety requirements to provide operators with a clear working vision.
The operator's own protection should not be slack. When entering the production area, it is necessary to wear special work clothes, which must have anti-corrosion, anti-static and other characteristics. At the same time, protective gloves should be worn to avoid contact with harmful substances on the hands and skin. Protective masks and goggles are also indispensable, which can effectively protect the face and eyes from splashes. As for respiratory protective equipment, in areas with high concentrations of harmful gases, it must be worn correctly to prevent inhalation of harmful gases.
Operating specifications are also a top priority. Before production, the operator needs to conduct a comprehensive and meticulous inspection of the equipment to ensure that the instrument is accurate and the pipeline is free of leakage. Operate in strict accordance with the established procedures, and do not change the process parameters without authorization. The order and dosage of materials must be strictly controlled, and a slight error may lead to safety accidents. During the reaction process, pay close attention to changes in key indicators such as temperature and pressure. If any abnormalities occur, take corresponding measures to deal with them immediately.
Maintenance of equipment is also a key link to ensure safety and standardized operation. Regularly inspect, clean and repair production equipment, and replace worn parts in time to ensure that the equipment is always in good operating condition. For aging or damaged equipment, it must not be used reluctantly, and should be timely updated.
1 - Naphthylamine - 8 - Sulfonic Acid safety production and standard operation, from the environment to create, personnel protection, operation procedures and equipment maintenance, etc., in order to ensure a smooth and safe production process, the risk is minimized.
Application Area
1 - Naphthylamine - 8 - Sulfonic Acid is an important chemical substance with a wide range of application fields. In the dye industry, this substance can be used as a key intermediate to help synthesize colorful and fastness dyes, making the fabric dyeing effect more outstanding. In the pharmaceutical field, it also has potential uses, or can participate in the drug synthesis process, providing the possibility of creating new drugs. In chemical analysis, its properties may be used for the detection and analysis of specific components, helping to accurately determine the composition of substances. In short, 1 - Naphthylamine - 8 - Sulfonic Acid plays an important role in many application fields, promoting the development and progress of related industries.
Research & Development
Taste the industry of chemical industry, in the research and creation of things, there is a great contribution. Today there is 1 - Naphthylamine - 8 - Sulfonic Acid, and my generation has been researching it for a year.
At the beginning, I explored its nature and analyzed its structure. After difficulties, we can find clues. Its quality is in various fields of chemical industry, and it is quite usable. It is a collection of wisdom and a way to explore new ways.
During the research and development, when encountering difficulties in raw materials or obstacles in techniques, everyone worked tirelessly and tried repeatedly to improve the production method, seeking the improvement of its yield and the excellence of its quality.
Years have passed, and the results have gradually become apparent. This product has emerged in the printing and dyeing, pharmaceutical and other industries, and its application is gradually widening. Looking at the way of its development, from the initial observation of physical properties to the wide application of various industries, it is actually the work of research and innovation. In the future, we should continue to focus on expanding its use and promoting its progress, in order to be more brilliant in the field of chemical industry.
Toxicity Research
Since modern times, chemistry has been refined, and new substances have been produced frequently. The toxicity of this substance, 1 - Naphthylamine - 8 - Sulfonic Acid, is quite important.
Examine its properties in detail, this compound may contain potential harm. The test of many poisons in the past warns us not to ignore it. After various experimental investigations, we have observed its response to organisms, or damage to organs, or disorderly metabolism. Although the current data is not complete, it has already seen clues, and its toxicity should not be underestimated.
We chemical researchers, when we are in awe, strictly abide by the procedures during experimental operations to prevent its escape and avoid harm to living beings. It is also expected that the follow-up data will be collected widely to investigate its toxicology in depth, so as to ensure the well-being of everyone and protect the tranquility of the ecology. This is the heavy responsibility of our generation.
Future Prospects
1 - Naphthylamine - 8 - Sulfonic Acid is an important substance in chemical research. Although its application has been quite extensive, it plays a key role in dyes, medicine and other fields, but our generation should take a long-term view and focus on future development.
In the future, with the continuous progress of science and technology, it may be possible to make breakthroughs in its synthesis process, improve yield, reduce costs, and reduce environmental impact. Furthermore, in the field of new material research and development, 1 - Naphthylamine - 8 - Sulfonic Acid may become a key basic raw material with its unique chemical properties, helping to develop materials with better performance, used in cutting-edge fields such as electronics and aerospace. Therefore, its future development will be even broader, contributing more to the progress of human society.
Frequently Asked Questions
What are the chemical properties of 1-naphthylamine-8-sulfonic acid?
Alumite, its chemical properties are quite unique. Alumite contains potassium sulfate, aluminum sulfate, ferrous sulfate and other components. Its sour, cold and toxic.
Alumite is soluble in water and can ionize a variety of ions in aqueous solutions. In chemical changes, it can react with many substances. For example, when it encounters alkalis, it will produce precipitation. Its aluminum ions combine with hydroxide ions to form aluminum hydroxide precipitation.
Since ancient times, people have investigated and applied the chemical properties of alumite. In alchemy, alumite is often used as a raw material to refine medicinal pills through its chemical changes. In the dyeing industry, because alumite can chemically react with certain dye components, it can be used as a mordant to help the color adhere better to the fabric. In the field of medicine, its chemical properties are also used. Because of its astringent effect, it can coagulate local tissue proteins, thereby achieving antidiarrheal and hemostatic effects.
The chemical properties of aluminite are complex and widely used. The ancients have continuously explored and understood in practice, making it play an important role in many industries.
What are the main uses of 1-naphthylamine-8-sulfonic acid?
1. ** Treatment of scrofula **: scrofula, mostly due to the stagnation of qi and blood, and the accumulation of phlegm poison. Seaweed is salty and cold, salty can be soft and firm, and cold can clear away heat, so it can dissipate the induration of scrofula. For example, in ancient recipes, seaweed is often used in combination with Prunella vulgaris, Scrophulariae and other medicines to achieve the effect of reducing phlegm softness, clearing away heat and dispersing knots. It is used to treat the sputum nucleus of scrofula in the neck.
2. ** Treatment of gall tumors **: The symptoms of gall tumors are mostly related to factors such as emotion, water and soil, which lead to qi stagnation, blood stasis, and phlegm coagulation in the neck. Seaweed has the power of softening and The General Records of Saint Francis and other ancient books contain recipes that often combine seaweed with kombu, green skin, tangerine peel, etc., to regulate qi and reduce phlegm, soften and eliminate galls, and treat all kinds of galls and tumors.
3. ** Liquidating water and reducing swelling **: Seaweed has the power of being beneficial to water, and can help the evil of water and dampness come out of the urine. For the disease of edema and swelling, if the water and dampness stop inside and the qi is not smooth, seaweed can be used with water and dampening drugs such as Poria, Poria, and Alisma to enhance the effect of water and swelling, so that the evil of water and dampness can be drained and swelling can be eliminated.
4. ** Eliminating phlegm **: Seaweed is salty and cold, and If the lungs are hot, liquid refining for phlegm, cough phlegm yellow sticky difficult and other diseases, seaweed can be combined with melon, fritillary, scutellaria baicalensis and other phlegm-clearing drugs, play the effect of clearing away heat and phlegm, so that phlegm heat clear, lung qi can be clear.
What are the precautions for 1-naphthylamine-8-sulfonic acid in the production process?

First and foremost, the land is most important. The land should be close to the source, and it can be used for good if it is not a well, the sea, or the bank of the sea. Such as the sea, the sea is vast, inexhaustible, and the sun is convenient; where the well is, the liquid is stored, and it can be obtained. And the land is flat, which is beneficial to the pool of the sea or the construction of the water, and it is also necessary to pass the water, so that it can be sold.
The second time, the material must be used. Sufficient containers, such as a pool, are required to be solid; cooking needs a kettle with high resistance and appropriate capacity. In addition, fuel is also indispensable. It is necessary to provide fuel for cooking, firewood, coal, etc., in order to keep the fire and cook.
Furthermore, the skill is proficient., Ponds, utensils, etc. are often cleaned to prevent the mixing of wood and wood. The collection of water is also properly hidden, and it is appropriate to prevent it from getting damp and stained, and to ensure that its products are high-quality, and can be eaten with peace of mind.
In this way, the production of water, land, materials, technology, and equipment can be used carefully, and it can be used for a lot of people's livelihood.
What is the preparation method of 1-naphthylamine-8-sulfonic acid?
The method of making 1-arsenic-8-boric acid is obtained by the interaction of natural boron-containing minerals, such as borax, with the acid phase. Borax, whose chemical name is sodium tetraborate decahydrate, is mild in nature and is mostly found in salt lakes, dry lake beds and hot spring deposits.
To make boric acid, first take an appropriate amount of borax, put it in a clean container, and slowly add sulfuric acid or hydrochloric acid. The reason for its chemical reaction is that the acidity of sulfuric acid or hydrochloric acid is stronger than that of boric acid. When a strong acid is used to make a weak acid, borax is combined with the acid phase, and the boron element then emerges into the state of boric acid.
Taking sulfuric acid as an example, the reaction equation is roughly: $Na_2B_4O_7\ cdot10H_2O + H_2SO_4\ longrightarrow 4H_3BO_3 + Na_2SO_4 + 5H_2O $. When borax is mixed with sulfuric acid, it can be seen that the solution gradually changes, there are fine bubbles, and the solution is slightly turbulent.
After the reaction is completed, the resulting mixture needs to be multiprocessed to obtain pure boric acid. First, the method of filtration is used to remove insoluble impurities; followed by evaporation, the water is gradually lost, and the solution is concentrated. When a certain concentration is reached, the temperature is cooled, and the boric acid is precipitated in a crystalline state. After several recrystallization, high-purity boric acid can be obtained.
The method of making boric acid was not as sophisticated as it is today in ancient times, but the principle was similar. The ancestors used their wisdom to observe the physical properties of nature and explore the laws of chemical combination, and finally obtained this method of making boric acid. It is widely used in medicine, chemical industry, metallurgy and other industries, laying the foundation for the development of chemical technology in later generations.
What are the effects of 1-naphthylamine-8-sulfonic acid on the environment?
The impact of water and caustic soda on the environment should be detailed.
Water is commonly known as strong acid, such as sulfuric acid, hydrochloric acid, and nitric acid. Its impact on the environment can be said to be severe. If it is accidentally dumped on the ground, it will bear the brunt, and the nature of the soil will change drastically. Strong acid enters the soil, causing soil acidification and a sharp decrease in fertility. Among them, the microbial community is also devastated, destroying the ecological balance. And acidified soil is not conducive to the growth and development of plant roots. Plants may wilt or die, and idyllic barren elephants can wait. If it flows into water bodies, it is particularly harmful. Aquatic organisms depend on the balance of acid and alkali in the water body to survive. If a large amount of caustic soda enters the soil, the pH value drops sharply, fish, shellfish, etc. may die due to difficulty in adapting, and the aquatic ecosystem collapses. And it is highly corrosive, which can erode pipelines, bridges and other infrastructure, endangering people's livelihood.
As for caustic soda, that is, sodium hydroxide, strong alkali is also. Although it is not widely known to be harmful to water, it also has a great impact on the environment. If a large amount of caustic soda enters the soil, it can cause soil alkalization, which also destroys the soil structure and fertility, makes the soil compacted, and the ventilation and water permeability become poor. Many plants are also difficult to grow in alkaline soils. If it flows into the water body, the pH value of the water body will rise significantly, and aquatic organisms Moreover, caustic soda encounters with certain substances, or reacts violently, releasing a large amount of heat energy, causing safety accidents, and indirectly affecting the surrounding environment.
In short, although water, caustic soda, and one acid and one alkali are opposite, they are all harmful to the environment. Therefore, its production, storage, use and other links should be cautious to prevent it from escaping and causing environmental damage, so as to ensure the harmony of nature and the smooth life of all things.