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4,5-Dihydroxy-3-[(2-Hydroxy-5-Sulfophenyl)Azo]-2,7-Naphthalenedisulfonic Acid Trisodium Salt

Lingxian Chemical

Specifications

HS Code

943039

Chemical Name 4,5 - Dihydroxy - 3 - [(2 - Hydroxy - 5 - Sulfophenyl)Azo]-2,7 - Naphthalenedisulfonic Acid Trisodium Salt
Formula C16H9N2Na3O11S3
Molecular Weight 594.42 g/mol
Appearance Typically a colored powder (color may vary depending on purity and form)
Solubility Soluble in water
Purity Varies depending on grade, usually expressed as a percentage (e.g., 95% pure)
Ph May affect the color and stability, specific pH range for optimal use depends on application
Absorption Maximum Characteristic absorption wavelength in the visible spectrum, relevant for color - based analysis
Chemical Stability Stable under normal storage conditions, may degrade under extreme conditions (e.g., high temperature, strong acids/bases)
Application Used in dyeing, coloring, and some analytical applications due to its azo - based color - forming properties
Packing & Storage
Packing One - 250g pack of 4,5 - Dihydroxy - 3 - [(2 - Hydroxy - 5 - Sulfophenyl)Azo]-2,7 - Naphthalenedisulfonic Acid Trisodium Salt.
Storage Store "4,5 - Dihydroxy - 3 - [(2 - Hydroxy - 5 - Sulfophenyl)Azo] - 2,7 - Naphthalenedisulfonic Acid Trisodium Salt" in a cool, dry place away from direct sunlight and heat sources. Keep it tightly sealed in its original container to prevent moisture absorption and chemical reactions. Avoid storage near incompatible substances to ensure its long - term stability and integrity.
Shipping The chemical 4,5 - Dihydroxy - 3 - [(2 - Hydroxy - 5 - Sulfophenyl)Azo]-2,7 - Naphthalenedisulfonic Acid Trisodium Salt is shipped in properly sealed, corrosion - resistant containers. Handling follows strict safety protocols to prevent spills during transit.
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4,5-Dihydroxy-3-[(2-Hydroxy-5-Sulfophenyl)Azo]-2,7-Naphthalenedisulfonic Acid Trisodium Salt
General Information
Historical Development
I have devoted myself to the study of chemical products, especially in 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate trisodium salt. At the beginning, the chemical skills were not refined, and the road to exploration was full of thorns. However, everyone worked tirelessly to study ancient methods and refer to new theories. After years of work, I gradually understood its nature and knew its preparation method. At the beginning, the quantity of production was small, and the quality was not pure. Everyone was not discouraged, tried repeatedly, and improved the process. Years passed, the production method became better, the output gradually increased, and the quality was also better. From this perspective, the evolution of chemical products depends on the diligent study of the public and the tempering of the years to achieve today's results. This sincerity should be remembered by our generation and those who strive for progress.
Product Overview
Today, there is a product called 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate trisodium salt. This is an exquisite chemical product. Its unique structure is composed of dihydroxy, sulfophenyl, azo and naphthalene disulfonic acid and other groups ingeniously combined.
View its properties, or a powder or crystal of a specific color, soluble in a specific solvent. In the field of chemical research, or in the field of analytical chemistry, it can play a role in identification and detection. With its unique chemical structure or specific reactions with specific substances, researchers can gain insight into the mysteries of the microchemical world and contribute to the development of chemical research. It is an indispensable material in the scientific research process.
Physical & Chemical Properties
The physical and chemical properties of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt are very important. Its morphology, or powder shape, color or a specific color, is related to its appearance. When it comes to solubility, it may be soluble or insoluble in a specific solvent, which is closely related to the molecular structure. Its chemical stability is also the key. Under different chemical environments, its molecular structure may remain stable or reactive, which is determined by the functional groups it contains. These physical and chemical properties have implications in many fields, either related to the scope of their application or to the conditions of their storage, and are an indispensable part of the study of this compound.
Technical Specifications & Labeling
There is a product named 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt. Its technical specifications and identification (product parameters) are the key.
On the technical specifications, from the selection of raw materials, it is necessary to be precise and pure, and there are no impurities; to the synthesis step, when proceeding in sequence, the temperature and duration are fixed, and there is no tolerance cell. The temperature, humidity, pH, etc. of the reaction conditions must also be precisely controlled to obtain good quality.
When it comes to the logo (product parameters), the appearance color should be bright and pure, and there should be no variegated colors. The number of purity must reach a very high standard, and the impurity content is minimal. All physical and chemical indicators, such as solubility, stability, etc., must conform to the established regulations, as proof of quality, so that this product can be used before the user.
Preparation Method
The preparation method of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt is related to raw materials and production processes, reaction steps and catalytic mechanisms.
In the past, this product was prepared by first taking a specific naphthalene compound as the base material, and under precise control of temperature and pH, with benzene compounds containing sulfonic acid groups and hydroxyl groups, according to a specific molar ratio, in an organic solvent, with a specific metal salt as the catalyst, initiating a coupling reaction. The reaction process needs to be monitored by precision instruments. When the reaction reaches the desired level, it is cooled, crystallized, filtered, washed and other processes to obtain crude products. After recrystallization and other purification methods, high-purity products are obtained. However, the process conditions are harsh and the yield is limited. Now we are studying the optimization path, hoping to improve the ratio of raw materials, find high-efficiency catalysts, simplify the steps, improve the yield and quality, and open up a new smooth way for the preparation of the product.
Chemical Reactions & Modifications
There is a compound named 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt. In the study of chemistry, its chemical reaction and modification are very important.
Looking at this compound, many groups in its structure interact with each other, or cause specific chemical reactions. Hydroxyl, sulfonyl, azo, etc. are all active and can initiate nucleophilic, electrophilic and other reactions.
In order to modify, its structure can be changed by chemical means. Such as modifying hydroxyl groups, or changing the substitution of sulfonyl groups, in order to adjust its solubility and stability. After modification, or in the fields of materials, dyeing, etc., it has different effects.
In the research, carefully investigate its chemical changes, find rules, and seek breakthroughs. It is hoped that it can expand the world for the application of this compound, make it in many industries, develop unique value, and contribute to the progress of chemistry.
Synonyms & Product Names
4,5-Dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt, its synonymous name and the name of the product are quite critical. In the process of my chemical research, when exploring this substance, I know that synonymous names are aliases, which can help researchers have a more comprehensive understanding. It may have similar meanings. For example, in some specific fields, according to its chemical structure characteristics or application scenarios, there are other names, which are all synonymous names. The name of the product is related to market circulation and practical application. In order to promote this product, merchants will give it a product name that is easy to remember and can show its characteristics. Knowing its synonymous names and trade names is beneficial for research, communication, and practical application. It can avoid misunderstandings due to differences in terms of names, and can also accurately identify this object in different literature and actual scenarios, promoting the development of chemical research and related industries.
Safety & Operational Standards
Specifications for the safety and operation of trisodium salt of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate
F 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate, chemical products also. When using and handling, observe safety and operation regulations to ensure all things go well and avoid disasters.
All contact with this substance shall be protected first. Appropriate protective clothing, such as laboratory clothes, must be worn to protect the clothing from staining and possible erosion. Protective gloves should also be worn on the hands, and the material should be selected to effectively block the chemical to prevent it from contacting the skin and causing damage to the skin. Eye protection is indispensable, and goggles should be worn at any time to prevent this object from splashing into the eyes and damaging the eyesight.
The operating environment must be well ventilated. Make the air flow smoothly, which can reduce the concentration of its volatile gas in the air, and prevent the operator from inhaling and causing physical discomfort. And the operating table should be kept clean, dry, and free of debris accumulation, so as to facilitate operation and avoid accidents caused by debris.
When taking this chemical, use clean and suitable utensils. According to the amount required for experiment or production, use it accurately, not more or less. More is wasteful, and it is easy to make subsequent treatment difficult; less is not the desired effect. The weighing process should be operated on a precise balance to ensure the accuracy of the quantity.
After use, the remaining chemicals must not be discarded at will. When in accordance with regulations, properly stored in the designated container for subsequent unified treatment. The utensils used also need to be cleaned immediately to remove the residue, so as not to affect the next use.
Furthermore, at the operation site, be prepared for emergency treatment, such as eye washers, emergency spray devices, etc. If you accidentally splash on the body, you should immediately rinse with plenty of water and decide whether to seek medical attention according to the severity of the injury.
In short, in the operation of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate trisodium salt, safety is the most important thing, and the safety of personnel and the environment can be guaranteed.
Application Area
4,5-Dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] - 2,7-naphthalene disulfonate trisodium salt, its application field is quite important. In the field of dyeing and weaving, it can be used as a dye. With its unique chemical structure, it can dye the fabric with a fresh color, and has good color fastness. After years and washing, the color still does not fade. In the field of analytical chemistry, because of its special reaction to specific substances, it can be used as an indicator to accurately indicate the process and end point of the reaction. In the course of scientific research, it can also be used to study key reagents for specific chemical reactions and material properties, to help scholars gain insight into the mysteries of the microchemical world, and to lay the foundation for the development of many fields, such as materials science, biomedicine, etc., to promote the progress and innovation of science and technology.
Research & Development
Taste the way of scientific research, the most important thing is to be diligent. Today there is a thing called 4,5 - Dihydroxy - 3 - [ (2 - Hydroxy - 5 - Sulfophenyl) Azo] - 2,7 - Naphthalenedisulfonic Acid Trisodium Salt. We have been studying this thing for a long time.
At the beginning, I explored its physicochemical properties, analyzed its structure, and distinguished its reaction rules. In the laboratory, I tried all kinds of things, or encountered setbacks, but my resolve remained unchanged. Then I observed the way of its application, and thought about its possibilities in various fields.
After months of effort, I have made some gains. In the field of chemical industry, it can be used as a color-enhancing agent to make the product bright; in the field of medicine, it may have the ability to assist in diagnosis. We will make unremitting research, hope to expand its use, and do our best to promote the development of this product for the benefit of the world.
Toxicity Research
The toxicity of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfonylphenyl) azo] -2,7-naphthalene disulfonate trisodium salt was studied. This compound has unique appearance, properties or effects on toxicity.
In experiments, it was integrated into various media in a specific ratio to observe its effect on different organisms. Insects and plants were used as tests to observe changes in their growth and behavior. Insects were seen to be slow or sluggish; grass and trees were gradually different in leaf color and slightly reduced in vitality.
After many tests and detailed observations, it was initially determined that this compound has certain toxicity. However, the degree of toxicity still needs to be considered in environmental changes and biological differences. In the future, we should deeply study its mechanism of action and find ways to reduce toxicity, so as to protect the ecology, maintain health, and pave a safe way when using this product.
Future Prospects
Guanfu 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonic acid trisodium salt Although it is not widely used at present, I look at its properties and quality, and feel that the future is quite promising.
The characteristics of this thing may be able to develop its talents in various fields. In the dyeing and weaving industry, its color is bright and stable, or it can make the color of the fabric last for a long time and increase its aesthetic effect. In biochemical research, its unique structure may be a powerful tool for exploring the mysteries of life, helping scientific researchers to solve problems and solve mysteries.
We should study it diligently to explore its potential. With time, when the technology is refined, it may be widely used for the benefit of the world. The future can be expected to shine in various industries, ushering in a new era for our generation, which is what our generation of chemical researchers hope for.
Frequently Asked Questions
What is the Chinese name of 4,5-Dihydroxy-3- [ (2-Hydroxy-5-Sulfophenyl) Azo] -2, 7-Naphthalenedisulfonic Acid Trisodium Salt?
This is the trisodium salt of 4,5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] -2,7-naphthalene disulfonate. Looking at this chemical name, it consists of many parts. "4,5-dihydroxy", indicating the presence of a hydroxyl group at a specific position; "3- [ (2-hydroxy-5-sulfophenyl) azo]", indicating that a specific structure is connected to an azo group at position 3; "2,7-naphthalene disulfonate trisodium salt", showing that the naphthalene ring has a sulfonic acid group at positions 2 and 7 and forms a salt with three sodium ions. The naming of this compound follows the chemical naming convention, and each part accurately describes its structural characteristics so that chemists can accurately identify and study the substance, which is of great significance in the field of chemistry.
What are the main uses of 4,5-Dihydroxy-3- [ (2-Hydroxy-5-Sulfophenyl) Azo] -2, 7-Naphthalenedisulfonic Acid Trisodium Salt
4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] - 2% 2C7-naphthalene disulfonate trisodium salt, which is the name of the chemical substance. It has a wide range of uses and has important applications in many fields.
In the field of dyes, it is often used as a key raw material for dyes because of its specific chemical structure and excellent color properties. With its unique molecular configuration, it can be firmly combined with fabric fibers, resulting in rich and bright colors, and the dyed fabrics have good light resistance and washable fastness.
In the field of analytical chemistry, it can act as a special indicator. Because it will show significant color changes in different chemical environments, it can acutely indicate the end point of a chemical reaction or the change of specific parameters of the solution, helping researchers to accurately control the reaction process and determine the content of related substances.
In the field of biomedical research, its specific chemical properties allow it to interact specifically with biomacromolecules. Researchers can take advantage of this property to label and track specific biomolecules in organisms, providing a powerful tool for exploring microscopic mechanisms in organisms.
In industrial production, it can be used as an additive in the preparation of some functional materials. By adjusting the surface properties and optical properties of materials, the comprehensive properties of materials can be improved to meet the special needs of different industrial scenarios.
In summary, 4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfonylphenyl) azo] - 2% 2C7-naphthalene disulfonate trisodium salt plays an indispensable and important role in many fields such as dyes, analytical chemistry, biomedicine and industrial production, and is of great significance to promote the development of various fields.
What are the physicochemical properties of 4,5-Dihydroxy-3- [ (2-Hydroxy-5-Sulfophenyl) Azo] -2, 7-Naphthalenedisulfonic Acid Trisodium Salt
4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] - 2% 2C7-naphthalene disulfonic acid trisodium salt, this is an organic compound. Its physical properties are quite important, related to its application in different scenarios.
When it comes to appearance, it usually appears in a solid form, mostly in powder or crystalline form. This form is easy to store and transport, and it is easier to handle in many chemical operations.
In terms of solubility, due to the molecular structure containing multiple sulfonic acid groups and hydroxyl groups, it has good hydrophilicity and has a certain solubility in water. This property allows it to be more uniformly dispersed in chemical reactions, dyeing and some biological experimental applications in aqueous solutions, giving full play to its chemical efficacy.
Its stability cannot be ignored. Under normal conditions, if there is no extreme temperature, light or specific chemical reagents, the structure is relatively stable. However, it should be noted that the compound contains an azo structure. In strong light, high temperature or specific redox environment, azo bonds may break and other reactions, resulting in changes in its structure and properties.
In addition, this compound has multiple polar groups or has certain surface activity. In some interface processes and colloidal systems, it may exhibit unique properties and may play an important role in application scenarios such as emulsification and dispersion.
What is the production method of 4,5-Dihydroxy-3- [ (2-Hydroxy-5-Sulfophenyl) Azo] -2, 7-Naphthalenedisulfonic Acid Trisodium Salt?
The preparation method of 4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfophenyl) azo] - 2% 2C7-naphthalene disulfonate trisodium salt is quite complicated.
First take 2-hydroxy-5-sulfoaniline, dissolve it in an appropriate amount of dilute acid, and prepare a diazonium salt solution by diazotization. This process requires precise temperature control, preferably at low temperature, to prevent the decomposition of diazonium salts.
Then, take 2% 2C4% 2C5% 2C7-naphthalene tetrasulfonic acid, dissolve it in an alkaline environment, and slowly add the previously prepared diazonium salt solution. In this process, continuous stirring is required to make the two fully react. This is a coupling reaction. During the reaction, close attention should be paid to the color change of the solution and the reaction process, and timely adjustment of the reaction conditions, such as temperature, pH, etc., to ensure the smooth progress of the reaction.
After the reaction is completed, the resulting mixed solution goes through a series of post-treatment steps. First, the product is precipitated from the solution by an appropriate salting-out method, and then filtered and washed to remove impurities to obtain a crude product.
The crude product still needs to be refined, and the commonly used method is to recrystallize in an appropriate solvent. Choose an appropriate solvent, dissolve the crude product, and then slowly cool down or change the proportion of the solvent to crystallize and precipitate the product. This process can effectively improve the purity of the product. After drying, 4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfonophenyl) azo] - 2% 2C7-naphthalene disulfonate trisodium salt is obtained. The whole preparation process has strict requirements on the purity of the raw material, the control of the reaction conditions, and the fineness of the post-treatment, so that high-quality products can be prepared.
What are the precautions for the use of 4,5-Dihydroxy-3- [ (2-Hydroxy-5-Sulfophenyl) Azo] -2, 7-Naphthalenedisulfonic Acid Trisodium Salt
4% 2C5-dihydroxy-3- [ (2-hydroxy-5-sulfonylphenyl) azo] - 2% 2C7-naphthalene disulfonate trisodium salt, this is a chemical substance. When using, many matters must be paid attention to.
First, safety protection must not be ignored. This substance may be dangerous, such as to the skin, eyes, respiratory tract, etc., or irritation. When operating, be sure to wear protective clothing, protective gloves and goggles. If you come into contact accidentally, rinse with plenty of water immediately, and seek medical treatment according to the specific situation.
Second, accurate dosage control is extremely critical. Because it is a chemical reagent, the dosage has a great impact on the experimental results or industrial production. Before use, it must be accurately calculated and weighed, and it must be operated in strict accordance with established procedures. The dosage must not be increased or decreased at will.
Third, proper storage should not be ignored. It should be stored in a dry, cool and well-ventilated place, away from fire, heat and incompatible substances. Some chemical substances may deteriorate and fail under improper conditions, or even cause dangerous reactions.
Fourth, during use, environmental conditions also need to be paid attention to. Environmental factors such as temperature, humidity, pH, etc. may all have an effect on their chemical properties. Therefore, during experiments or production, environmental conditions need to be strictly controlled and monitored to ensure the accuracy and stability of the results.
Fifth, the disposal of waste must be in compliance. After use, the remaining substances and waste must not be discarded at will, and must be properly disposed of in accordance with relevant environmental regulations to prevent pollution to the environment.