2-(4-Sulfophenylazo)1,8-Dihydroxy-3,6-Naphthalenedisulfonic Acid, Trisodium Salt

Lingxian Chemical

Specifications

HS Code	749151
Chemical Name	2-(4-Sulfophenylazo)-1,8-Dihydroxy-3,6-Naphthalenedisulfonic Acid, Trisodium Salt

Packing & Storage

Packing	1 kg of 2-(4 - Sulfophenylazo)-1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt in sealed bag.
Storage	Store "2-(4 - Sulfophenylazo)1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt" in a cool, dry place, away from heat sources and direct sunlight. Keep it in a tightly - sealed container to prevent moisture absorption and contact with incompatible substances. Avoid storing near oxidizing agents or strong acids or bases.
Shipping	The chemical 2-(4 - Sulfophenylazo)1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt is shipped in secure, well - sealed containers. Special handling protocols for chemicals are followed to prevent spills, ensuring safe transportation.

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2-(4-Sulfophenylazo)1,8-Dihydroxy-3,6-Naphthalenedisulfonic Acid, Trisodium Salt

General Information

Historical Development

The product of the trisodium salt of 2 - (4-sulfobenzene-azo) 1,8-dihydroxy-3,6-naphthalene disulfonic acid, through the ages, has a considerable development history. In the past, on the road of chemical exploration, many wise men worked hard and began to pay attention to this compound. At first, the cognition was still shallow, and only a few or two of its characteristics were known. However, with the passage of time and the deepening of research, scholars have used various skills and means to gradually understand its delicate structure and diverse properties. From ignorance to clear insight, the status of this product in the field of chemistry has become more and more important, laying the foundation for many subsequent research and applications. It is like a long road, exploring step by step, and finally welcoming the dawn and opening a new chapter.

Product Overview

Today there is a compound called 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt. This is a delicate compound with a unique structure. Looking at its structure, sulfobenzene-azo is cleverly connected to the naphthalene disulfonate group, supplemented by dihydroxyl groups, thus forming this unique shape.
This compound may have extraordinary uses in many fields. In the field of chemical industry, or as a key raw material for dyes, with its special structure, it can give a unique color, making the color bright and lasting. In scientific research and exploration, or as a powerful tool for analysis and testing, with its characteristics, it can keenly detect changes in specific substances. The wide range of its uses requires our generation to study in depth in order to understand its more potential capabilities and contribute to the prosperity of various industries.

Physical & Chemical Properties

The physical and chemical properties of 2 - (4 - sulfobenzeneazo) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid trisodium salt are crucial. Looking at its properties, it is often in the state of powder, color or light yellow. In terms of solubility, it is soluble in water, which makes it quite convenient for many applications in liquid phase systems. When it comes to stability, it is quite stable under normal conditions. In case of extreme situations such as strong acid, strong base or high temperature, it may be subject to chemical changes. Its melting point, boiling point and other physical parameters are also factors to consider its application scenarios. The melting point can be determined by its physical state transition temperature, and the boiling point is related to its stability in high temperature environments. The physical and chemical properties of this compound are of great guiding significance in the fields of chemical engineering, printing and dyeing, etc., which can help practitioners make good use of its characteristics, avoid adverse factors, and achieve the best use effect.

Technical Specifications & Labeling

Today there is a product called 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt. In Siwu, the process specifications and identification (commodity parameters) are the key.
In terms of its process specifications, strict methods should be followed. The selection of raw materials must be pure and free of impurities, and meet specific standards. The synthesis steps must follow a precise process, temperature control and speed regulation, all of which are fixed, with a difference of one millimeter, or a change in quality. The reaction time also needs to be strictly controlled. If it is too long, it will be too long, and if it is short, it will not be complete, which will affect the properties of this product.
As for the logo (product parameters), the color, purity, solubility, etc., should be clearly marked. The color needs to match a specific spectrum to prove its purity. The purity must be accurate, indicating that it is not heterogeneous. The solubility under different solvents and temperatures should be recorded in detail, so that the user can understand it. In this way, this product can be obtained in a state of excellence to meet the needs of all parties.

Preparation Method

This product is made of 2 - (4 - sulfobenzene azo) 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid trisodium salt. The method is as follows:
Raw materials and production process: Take an appropriate amount of sulfobenzene, naphthalene disulfonic acid, etc. as raw materials, and mix them according to specific proportions. With exquisite techniques, temperature control and speed regulation, so that the materials can be mixed and reacted.
Reaction steps: first place the sulfobenzene in a special kettle, slowly add naphthalene disulfonic acid, pay attention to temperature fluctuations during this period, adjust it in a timely manner, and promote its full reaction. After the initial reaction is completed, add an appropriate amount of additives, and continue to stir to cause
Catalytic mechanism: Select a high-efficiency catalyst and add it at the appropriate time of the reaction to reduce the reaction barrier, increase the reaction rate, and make the reaction advance efficiently, and obtain a product with excellent yield and purity. In this way, an excellent 2 - (4-sulfobenzenazo) 1,8 - dihydroxy - 3,6 - naphthalene disulfonate trisodium salt can be prepared.

Chemical Reactions & Modifications

The chemical reaction and variability of Guanfu 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt are of great importance to our chemical researchers. The beauty of its reaction depends on the change of reaction conditions, and the temperature, pressure, and the ratio of agent can all make it different. If the temperature is high, the yield or change should be rapid; the ratio of agent is different, and the quality of the product is also different.
As for the variability, the slight change of structure, and the great change of inductability. The increase or decrease of groups and the change of positions can make this substance different. This is not only an academic study, but also a great benefit for industrial use. Only by understanding its application and variability can we make good use of it, optimize production, and promote the progress of chemistry, which is necessary for the world.

Synonyms & Product Names

##According to the same trade name
, there is a product today called "2- (4-sulfonylphenylazo) -1,8-dimethyl-3,6-naphthalene disulfonic acid trisulfonic acid". The same trade name of this product can be investigated.
The same product is the same as more than one product. Due to the research in the world, or the names used in various places are different, so the same product often exists. As for the trade name, the name of the merchant or the name of the merchant in the city, in recognition of its product and other products.
Then "2- (4-sulfophenylazo) -1,8-dioxyl-3,6-naphthalene disulfonic acid trisulfite", its same trade name, in the chemical research and commercial process, need to be clear. Because the name is confusing, or the research is poor, the business is not good. Therefore, our chemical researchers, study the same trade name of this thing, seek, in order to facilitate the exchange of exhibition.

Safety & Operational Standards

2 - (4 - sulfobenzene azo) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonate trisodium salt, this chemical is related to safety and operating practices, and I will describe it in detail.
For safety reasons, it has specific chemical properties and may pose a latent risk to the human body and the environment. When operating, be sure to wear appropriate protective equipment, such as protective clothing, gloves and goggles, to prevent skin and eye damage from contact. If you accidentally touch the skin, rinse with plenty of water as soon as possible. If you still feel unwell, you need to seek medical attention. If it enters the eyes, rinse with plenty of water immediately and seek medical attention. Its odor and volatiles or irritate the respiratory tract. The operation is suitable for good ventilation, and respiratory protection devices are used if necessary.
As far as the operation specifications are concerned, the access should be accurate. According to the experimental or production requirements, it should be measured with a suitable measuring tool. When storing, place it in a cool, dry and ventilated place, away from fire sources and oxidants, etc., to prevent dangerous reactions. After use, the waste should not be discarded at will. It should be properly disposed of in accordance with the regulations on chemical waste treatment, so as not to pollute the environment.
In short, the operation of 2 - (4 - sulfobenzenazo) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonate trisodium salt should strictly abide by safety and operation standards to ensure its own safety and environmental harm

Application Area

A certain compound name 2 - (4 - sulfobenzene azo) 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid trisodium salt has a wide range of uses. In the field of dyeing and weaving, it can be used as a dye to give the fabric a fresh color, and the color fastness is good. The longer it passes, the more stable the color will be. In the field of analytical chemistry, it can be used as an indicator to accurately measure the acid and alkali of the solution, and its color becomes acute, indicating a clear sign for the experimenter. In biochemical research, it is also useful, or it can help analyze the structure and characteristics of biological molecules to reveal the mystery of life. This compound has its unique properties and has developed its strengths in various fields. It is actually a good material for scientific research and industrial production.

Research & Development

The industry of chemical industry is changing with each passing day, and the research of matter is related to all things. Today there is a thing named 2- (4-sulfobenzenazo) -1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt. Our generation studied this thing day and night.
Its structure was analyzed in detail, the structure of its molecules was explained, and the wonder of its atomic connection was known. It also explored its properties, observed its state in different environments, and solved the reason for its reaction. After months of hard work, the first results were obtained.
However, if you want to use it in industry and promote its development, you still need to work hard. We must find ways to optimize it, increase its yield, and improve its quality. Looking forward to the future, this material can be widely used in the world, shining brightly in printing and dyeing, medicine and other industries, contributing to the development of the chemical industry, and living up to our research heart.

Toxicity Research

Toxicity Study
There is a near-term object, named "2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt". The toxicity of the next generation is studied in detail.
Observe its quality and test it with ancient methods. Or cast insects and observe its growth and survival; or apply it to plants and trees, observe its prosperity and wither. Over time and years, record its changes in detail. Insects are affected by it, and they stop or mess, and even die; plants and trees acquire it, and the color of the leaves may change, and the vitality may decline.
However, the study of toxicity can not be done all at once. When the methods are widely accepted, consider their reasons in detail. And the difference in environment and category are all related to the appearance of toxicity. It must be carefully studied in order to obtain its true appearance, so as to understand its harm to all things, and to learn from those who use this thing in future generations.

Future Prospects

I have tried to study a chemical substance, named 2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt. Looking at its quality and exploring its properties, I have also gained something today. However, what I hope for is not just this.
In the future development, I hope this chemical can have a new way. Or in medicine, it is an aid to cure diseases; or in engineering, it is a way to increase efficiency. I hope that the method of preparation can be better, the material is cheaper, the time is shorter, and the pollution is less. In this way, this product can benefit everyone in the world, prosper the industry, add luster to the glory of the future, and become an unfinished dream. It lives up to the hearts of researchers and meets the needs of the times.

Frequently Asked Questions

2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt

2-%284+-+Sulfophenylazo%291%2C8+-+Dihydroxy+-+3%2C6+-+Naphthalenedisulfonic+Acid%2C+Trisodium+Salt is a chemical substance, according to the current chemical nomenclature, its name is 2- (4-sulfobenzenazo) -1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt. This substance belongs to the category of organic compounds, containing benzenazo groups, hydroxyl groups and sulfonic acid groups and other functional groups, and is in the state of sodium salt.
In industry, such compounds containing azo structures are often used as dyes. Because of its azo structure, it can absorb light of specific wavelengths, resulting in colorful colors. The introduction of sulfonic acid groups can improve its solubility in water, making it easier to apply to dyeing and finishing processes, and facilitate dyeing operations on fabrics and other materials.
From the perspective of chemical structure, the naphthalene ring is its core structure, which endows the molecule with certain stability and rigidity. The benzenazo group is attached to the naphthalene ring, which greatly affects the electron cloud distribution, which in turn affects its optical properties and makes it have the color characteristics required for dyeing. The presence of hydroxyl groups can participate in a variety of chemical reactions, such as the formation of hydrogen bonds with other compounds, or substitution reactions under specific conditions. The sodium salt form of sulfonic acid groups not only enhances water solubility, but also affects its ionic behavior in solution, such as its surface activity. In conclusion, trisodium 2- (4-sulfonylphenylazo) -1,8-dihydroxy-3,6-naphthalene disulfonate has important applications and research value in dye industry and other fields due to its unique chemical structure.

2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, What are the main uses of Trisodium Salt

2-% (4-sulfobenzene-azo) 1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt, which has a wide range of uses. In the dyeing and weaving industry, it is often used as a dye. Due to its unique structure, it can be combined with fabric fibers to make the fabric appear colorful, and has a certain color fastness. After multiple washes and sun exposure, the color is not easy to fade.
In the field of analytical chemistry, it can be used as an analytical reagent. With its characteristics of color reaction with specific metal ions, it can accurately determine the content of metal ions. For example, in water quality testing, qualitative and quantitative analysis of certain trace metal ions can be carried out to help judge the quality of water quality.
It is also an important chemical raw material in the path of scientific research and exploration. Researchers use it to participate in many organic synthesis reactions to prepare new materials with special properties and promote the development of materials science. For example, when developing functional polymer materials, this compound can be used as a key monomer or modifier to give the material unique optical and electrical properties.
It is also indispensable in many aspects of industrial production. In the paper industry, it can be used for paper dyeing to improve the appearance quality of paper; in the leather processing industry, it can be used as a leather dyeing and tanning aid to make leather uniform and better texture.

2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt What are the physicochemical properties

2-%284+-+Sulfophenylazo%291%2C8+-+Dihydroxy+-+3%2C6+-+Naphthalenedisulfonic+Acid%2C+Trisodium+Salt, namely 2- (4-sulfonylphenylazo) -1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt, this material has unique physical and chemical properties.
Looking at its properties, it is mostly in solid form at room temperature, or in powder form, and the color often shows a specific tone, or yellow, orange and the like, depending on the purity and crystal form. Its solubility is quite characteristic, and it can show a certain solubility in water. Due to the structure of sulfonyl sodium salt, it dissolves by the action of ions and water molecules, but the degree of solubility is affected by temperature, pH, etc. It can be heated or soluble, and the specific pH environment also affects the dissolution balance.
When it comes to stability, the substance can remain stable under conventional conditions. However, in the case of strong oxidizing agents, reducing agents or extreme acid-base environments, azo groups, hydroxyl groups and sulfonic acid groups in the structure may react and cause structural changes. The duration and intensity of illumination also play a role. Azo groups are sensitive to light, and strong light for a long time or luminescent chemical reactions cause color and other properties to change.
From the perspective of spectral properties, due to the conjugated system, there is a characteristic absorption peak in the ultraviolet-visible spectral region. Azo groups are conjugated with naphthalene rings, and the absorption is significant at specific wavelengths. It can be identified and quantified by spectral analysis.
In addition, its ionic behavior in solution cannot be ignored. As a sodium salt, sodium ions and corresponding anions are ionized in water, and the ionic concentration affects the physical properties such as the conductivity of the solution. And the anionic structure contains acidic groups, and there is ionization equilibrium under different pH conditions, which affects the chemical activity and existence form of the substance.

2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt in what industry is widely used

2-%284+-+Sulfophenylazo%291%2C8+-+Dihydroxy+-+3%2C6+-+Naphthalenedisulfonic+Acid%2C+Trisodium+Salt, the Chinese name is often 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonate trisodium salt, which is widely used in printing and dyeing and dye industries.
This compound has an azo structure and a sulfonic acid group, resulting in good water solubility and color characteristics. In the printing and dyeing industry, it is often used as an acid dye. When fabrics are dyed, their sulfonic acid groups are combined with amino groups, hydroxyl groups and other groups on fabric fibers through ionic bonds or hydrogen bonds to achieve fabric coloring. Due to the naphthalene ring and azo group in the structure, it can produce a specific absorption spectrum, showing rich colors, and bright colors and good fastness. It is widely used in textile printing and dyeing for fabric dyeing and printing. Whether it is natural fibers such as cotton, wool, silk, or man-made fibers such as polyester and nylon, it can be applied to give fabrics a variety of colors.
In the dye industry, it is an important intermediate for the synthesis of other complex dyes. Based on its structural characteristics, through a series of chemical reactions, such as nucleophilic substitution, coupling reactions, etc., other functional groups or structural fragments are introduced to expand the types and properties of dyes to meet the special requirements of different industries for dye color fastness, light resistance, and washable resistance. In the process of preparing reactive dyes and direct dyes, it is often used as a starting material to chemically modify new dye molecules to improve the application performance of dyes. In short, this compound plays a significant role in the printing and dyeing and dye industries, providing key support for the development of related industries.

2- (4 - Sulfophenylazo) 1,8 - Dihydroxy - 3,6 - Naphthalenedisulfonic Acid, Trisodium Salt

2-%284+-+Sulfophenylazo%291%2C8+-+Dihydroxy+-+3%2C6+-+Naphthalenedisulfonic+Acid%2C+Trisodium+Salt is 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt, which is often used as a dye intermediate. The preparation method is not detailed in the ancient book "Tiangong Kaiqi", but according to the current chemical understanding, the following steps can be taken.
The starting material is often selected from naphthalene compounds, such as naphthalene. After sulfonation, concentrated sulfuric acid or fuming sulfuric acid is used as a sulfonating agent. At a suitable temperature, such as 160-180 ° C, naphthalene reacts with the sulfonating agent to obtain a mixture of 1,5-naphthalene disulfonic acid and 1,8-naphthalene disulfonic acid and other isomers. After separation, 1,8-naphthalene disulfonic acid can be enriched.
Then, 1,8-naphthalenedisulfonic acid is hydroxylated under specific conditions. Treatment with alkaline substances such as sodium hydroxide, control the reaction temperature and time, and partially convert the sulfonic acid group into a hydroxyl group to obtain 1,8-dihydroxy-3,6-naphthalenedisulfonic acid.
Then take p-aminobenzenesulfonic acid, through the method of diazotization, react with sodium nitrite and hydrochloric acid at low temperature, such as 0-5 ° C, to obtain diazonium salt. This diazonium salt is coupled with 1,8-dihydroxy-3,6-naphthalenedisulfonic acid in a weakly basic medium to obtain 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalenedisulfonic acid.
Finally, 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalenedisulfonic acid is neutralized with sodium hydroxide to make the sulfonic acid group into a sodium salt. After concentration, crystallization and drying, the finished product of 2- (4-sulfobenzene-azo) -1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt can be obtained. Each step of the reaction requires fine temperature control, time control, and material ratio control, and the method of separation and purification is also related to the purity and quality of the product.