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4,5-Dihydroxy-3-Phenylazo-2,7-Naphthalenedisulfonic Acid,Disodium Salt

Lingxian Chemical

Specifications

HS Code

333856

Chemical Name 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt
Molecular Formula C16H10N2Na2O8S2
Molecular Weight 474.37 g/mol
Appearance Typically a colored solid (color may vary based on purity and form)
Solubility Soluble in water due to the presence of disodium salt
Ph Affects the color and stability in solution; usually tested in aqueous solutions
Stability Can be affected by light, heat, and pH; may degrade over time
Absorption Maximum Exhibits characteristic absorption in the visible spectrum, used for analysis
Application Used in dyeing processes, as a color indicator, and in some analytical methods
Packing & Storage
Packing 500g of 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid Disodium Salt in a sealed bag.
Storage The chemical 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt should be stored in a cool, dry place. Keep it away from heat, direct sunlight, and sources of ignition. Store in a tightly sealed container to prevent moisture absorption and potential air - oxidation, ensuring its stability and preventing contamination.
Shipping The chemical 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt is typically shipped in sealed, corrosion - resistant containers. Special care is taken to protect it from moisture and ensure compliance with hazardous chemical shipping regulations.
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4,5-Dihydroxy-3-Phenylazo-2,7-Naphthalenedisulfonic Acid,Disodium Salt
General Information
Historical Development
4,5-Dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, the development of this chemical has gone through years of changes. Throughout the ages, chemical researchers have explored various types of compounds. At the beginning, this substance may only be an occasional product of research. At that time, research conditions were limited, and people searched for laws in complex chemical phenomena. With the passage of time, science and technology have become more and more advanced, and the study of its structure and properties has become more and more in-depth. Scholars have worked hard to clarify its characteristics with new methods and new instruments. From preliminary understanding to in-depth understanding of its performance in different reactions, a lot of effort has been made, and finally this compound has occupied a place in the field of chemistry, laying the foundation for subsequent research and application.
Product Overview
There is now a thing called 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonate disodium salt. This is an exquisite chemical product. It is unique in nature and has a unique structure and characteristics. Look at its shape, or take a specific form, and under specific conditions, show a different state.
This substance may have a unique use in the field of chemistry. Or it can be used for specific reactions and add to chemical research. Its molecular structure is exquisite, and it is connected by various elements in a specific way to form a unique structure, which gives it special chemical activity.
In scientific research, this substance may be a key agent to help researchers gain insight into deeper chemical mysteries. We should study it in detail to understand its nature and make the best use of it, and contribute to the development of chemistry, so that the wonders of this chemical product can be fully demonstrated.
Physical & Chemical Properties
There is a substance named 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt. Its physical and chemical properties are important to our research. The appearance of this substance may have a specific color state, or it is crystalline, or it is a powder. How the color is remains to be carefully investigated.
In terms of its solubility, it dissolves differently in water or various solvents. Or it is easily soluble in water to form a uniform solution; or in organic solvents, it has different degrees of dispersion. Its melting point and boiling point are also key, which are related to the phase change of this substance at what temperature, and the strength of its intermolecular forces can be observed. In terms of chemical properties, its structure contains specific groups or has certain reactivity. Such as sulfonic acid groups, hydroxyl groups, etc., it can lead to acid-base reactions and substitution reactions. The stability of this substance under different chemical environments is also the focus of our research, hoping to clarify its properties and lay the foundation for various applications.
Technical Specifications & Labeling
4,5-Dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt technical specifications and identification (product parameters)
Fu 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, its technical specifications, the first heavy raw materials are selected, must be pure and flawless, impurities must be minimal. When preparing, the temperature and duration are fixed, and precise control can ensure the purity of the product.
As for the label, when the chemical name is stated on the package, and marked with a clear molecular formula. Product parameters are also indispensable, such as purity, which must be extremely accurate, and water content must be strictly controlled within a certain range. In this way, the product can be used with stable performance and outstanding efficacy.
Preparation Method
To prepare the product of disodium salt of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid, the method is as follows:
Raw materials and production process: Pure naphthalene is selected, supplemented by benzene and other raw materials, and prepared according to a specific ratio. After sulfonation, naphthalene and sulfuric acid are cleverly interacted to obtain naphthalene sulfonic acid intermediates. Then by diazotization, the relevant intermediates are reacted with sodium nitrite under suitable conditions to obtain diazonium salts. Then, the diazonium salt is coupled with a compound containing hydroxyl groups to obtain the target product.
Reaction steps: Naphthalene is first placed in the container, sulfuric acid is slowly injected, and the temperature control reaction is carried out to obtain the sulfonated product. Then the product is treated with sodium nitrite, etc., and the temperature is controlled for diazotization reaction. Finally, the diazotide is mixed with suitable coupling components, and the reaction is sufficient to obtain the desired product.
Purification mechanism: After the reaction is completed, impurities are removed by filtration, and then crystallized and washed to make the product pure. After several refinements, the product quality is guaranteed to meet the standard, and 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonate is obtained. Good product.
Chemical Reactions & Modifications
The field of Wenfu Chemistry, 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt This material should be modified and modified, which is related to the macro purpose.
The change of the bond between molecules is the reaction cardinal. The position of atoms is easy, and the cloud shift of electrons is based on the rules of chemistry. Or in the case of acid and alkali, or in the context of oxidation and reduction, its structure changes at every turn, and its properties are also different.
As for modification, it is designed to improve its performance and expand its use. Or adjust its solubility so that different solvents can survive; or increase its stability and prevent it from being decomposed by environmental disturbances. All of these are chemical methods to control the change of molecules and seek new energy of things.
To achieve this goal, it is necessary to study the mechanism carefully and observe the influence of conditions. Temperature, pressure, and catalysis all affect the effect of modification and modification. Make good use of various factors to make this thing in a good state and contribute to the development of chemistry and industry.
Synonyms & Product Names
4,5-Dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, which is very important in the field of chemical research. It has many synonyms and rich commercial names.
Although ancient books do not directly describe this thing, with today's chemical knowledge, its structure is unique and its properties are also characteristic. In this compound, the structure of phenylazo gives it special color and reactivity, and the dihydroxy group and naphthalene disulfonic acid group affect its solubility and chemical stability.
In the industry, different brands are given many trade names according to their uses and purity. This is for the convenience of industry people to identify and choose. The existence of synonyms comes from the naming of different angles in the research process, or according to structure, or according to performance. All these are the contents that chemical researchers need to be familiar with in order to be handy in research and application.
Safety & Operational Standards
4,5-Dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, this chemical is related to safety and operating standards, and is extremely important and should not be ignored.
At the beginning of preparation, all utensils must be clean and dry to prevent impurities from mixing and causing impure products. When weighing raw materials, when using a precise weighing instrument, operate according to a specific ratio, a slight difference may affect the quality of the product.
During the reaction process, the control of temperature and time is of great importance. It is necessary to follow the established process to steadily heat up or cool down, and must not change suddenly. At the same time, pay close attention to the reaction phenomenon. If there is any abnormality, stop immediately and investigate the reason in detail.
The product is initially formed, and the method of separation and purification must be carefully selected. Either filtration or extraction, depending on the characteristics of the product. After purification, proper storage is also the key. It should be placed in a dry and cool place to avoid excessive contact with air and moisture to prevent deterioration.
The experimenter's own protection should not be slack. When operating, be sure to wear experimental clothes, goggles and gloves. Because the chemical may be corrosive and irritating, the slightest carelessness will harm the body.
All operations involving this chemical should be carried out in strict accordance with regulations, so as to ensure the safety of the experiment and the expected quality of the product.
Application Area
4,5-Dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, this compound has a wide range of uses. In the dyeing and weaving industry, it can be used as a dye. With its special structure and properties, it can make the fabric dye a bright color, and the color lasts for a long time and does not fade. In the field of analytical chemistry, it also has important functions. Because of its unique reaction to specific substances, it can be used to detect and identify certain compounds. For example, in the analysis of some complex sample components, it can be used to generate characteristic reactions with target components to help analysts accurately identify. In biochemical research, it can be used as a marker to track the metabolic pathways of specific substances in organisms, helping researchers to deeply understand the complex biochemical processes in organisms, and providing assistance for the development of many fields.
Research & Development
The name of this chemical is 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt. During my research, this substance is quite meaningful.
Preliminary observation of its properties, explore its structure, observe its molecular arrangement, think about the connection of chemical bonds, and hope to clarify its internal mechanism. Then test its chemical properties, try it in various environments, observe its reaction state, and hope to obtain characteristic laws.
The road of research and development is step by step. Optimize the production method, seek efficient and pure production. Consider cost and energy consumption, and strive to achieve a balance between economy and benefit. We also consider the field of its application, medicine, materials, etc. as the direction, and hope that it will shine in various fields, add luster to the research path, and promote the progress of chemistry to reach a high level.
Toxicity Research
Today's study of this substance, 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt, its toxicity is very important. Before I file a case, I carefully investigate its properties. This substance may have potential hazards and is related to the health of all living beings.
Study it with ancient methods, scrutinize its reaction in detail, and explore its changes in different environments. Observe its integration with other things, and observe whether there is toxicity. After many trials, I hope to understand its toxicity geometry and how it spreads.
Toxicity research should not be ignored. It concerns living beings and also involves the environment. If its toxicity is strong, it should be avoided or used to protect the safety of all things. During this period of research, those who use this product for future generations should understand its advantages and disadvantages and lead to the right path, so as not to make toxicity a disaster to the world.
Future Prospects
I look at this 4,5 - Dihydroxy - 3 - Phenylazo - 2,7 - Naphthalenedisulfonic Acid, Disodium Salt, which really contains endless future prospects. In the field of chemical industry, it may create new methods to make synthesis more delicate, increase yield and reduce cost. In the field of materials, it may be able to give new materials, make materials with strange functions, and use them in various cutting-edge domains. Although its application may be limited at present, in time, with the deepening of research and the advancement of technology, it will be able to shine. It is expected to make its mark in medicine, electronics, and other fields, opening up a new world for our generation, leading the trend of future technology, blooming with unprecedented brilliance, and bringing many incalculable benefits to future generations.
Frequently Asked Questions
What is the main use of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt?
4,5-Dimethyl-3-benzylacetone-2,7-dimethyl naphthalate are all organic compounds, which are widely used in many fields such as chemical industry and medicine.
4,5-dimethyl-3-benzylacetone, this compound is often used as a key intermediate in the field of organic synthesis. Because of its unique chemical structure and reactivity, it can be used to construct more complex organic molecular structures by many organic reactions, such as nucleophilic addition and substitution reactions. In pharmaceutical research and development, it may be used as a starting material for the synthesis of specific drug molecules, helping to create new drugs with specific biological activities. In the fragrance industry, it may become a fragrance ingredient for the preparation of unique flavors due to its special odor characteristics.
3-Benzylacetone-2,7-dimethyl naphthalate, which is widely used in the field of materials science. In the synthesis of polymer materials, it can participate in the polymerization reaction as a monomer, thereby giving the polymer material special properties. For example, introducing it into the polymer backbone may improve the thermal stability, mechanical properties and optical properties of the polymer. In the field of organic optoelectronic materials, such compounds may exhibit unique photoelectric properties due to their special conjugate structures, and can be used as functional materials for organic Light Emitting Diodes (OLEDs), solar cells, and other optoelectronic devices to improve the performance and efficiency of optoelectronic devices.
In summary, these organic compounds play an important role in many fields such as chemical industry, medicine, and materials due to their unique chemical structures and properties, and contribute significantly to the development of related fields.
What are the physicochemical properties of disodium salt of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonate
4,5-Diamino-3-nitrobenzenesulfonic acid-2,7-naphthalene disulfonic acid disodium salt is an important class of organic compounds with unique physical and chemical properties.
This compound has significant water solubility. Because the molecule contains sulfonic acid groups and amino groups, both are hydrophilic groups, which can form hydrogen bonds with water molecules, so it can be well dissolved in water. This property is of great significance in many fields. For example, in the dye industry, water solubility can make the dye more easily dispersed in the dye solution, which is conducive to uniform dyeing of fabrics and other substrates.
From the perspective of stability, the benzene ring and naphthalene ring in its structure give certain stability. However, there are nitro groups in the molecule, which are electron-absorbing groups, which can change the distribution of the entire molecular electron cloud. Under certain conditions, such as heat, light or strong oxidants, nitro groups may react, affecting the stability of compounds. For example, in high temperature environments, nitro groups may initiate decomposition reactions, resulting in the destruction of compound structures.
Its acidity is also an important property. Sulfonic acid groups are strongly acidic groups that can ionize hydrogen ions in aqueous solutions, making the solution acidic. This acidic property can be used as a catalyst in some chemical reactions to promote the progress of specific reactions.
Regarding the color characteristics, due to the conjugated structure composed of conjugated systems, such as benzene rings and naphthalene rings, it absorbs light of specific wavelengths and presents a specific color. In dye applications, this color characteristic makes it suitable for dyeing fabrics and other materials as a dye, and the presence of conjugated systems affects its color depth and hue.
In addition, the crystallinity of the compound is also worthy of attention. Under appropriate conditions, crystallization can be precipitated. The crystalline morphology is related to conditions. Different crystalline morphologies may affect its physical properties such as density and hardness. In the process of separation and purification, crystalline properties can be used to obtain high-purity compounds.
What is the synthesis method of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt?
To prepare 4-difluoromethyl-3-indolyl-2,7-dibenzyl naphthalate, the method is as follows:
First take an appropriate amount of starting materials, in a clean reactor, and start the reaction under specific reaction conditions. The first thing to pay attention to is the temperature, pressure and reaction time, which are all key factors. If the temperature is not properly controlled, the reaction may be deviated, and the product is impure; if the pressure is not suitable, it will also affect the rate and direction of the reaction.
In the reaction process, add a suitable catalyst to promote the reaction to accelerate. The amount of catalyst needs to be precisely controlled, too much or overreaction, too little will slow the reaction, which is not conducive to product formation.
Furthermore, the choice of reaction solvent should not be underestimated. The choice of suitable solvent can fully dissolve and disperse the reactants, which is conducive to the interaction between molecules, and then promote the smooth progress of the reaction.
After the initial completion of the reaction, it needs to go through the steps of separation and purification. The target product is separated from the reaction mixture by specific separation methods, such as filtration and extraction. Then by recrystallization, column chromatography and other purification methods, impurities are removed and the purity of the product is improved.
During this preparation process, all links are closely interlocked, and any slight negligence can affect the quality and yield of the final product. Experimenters must be careful and strictly control the reaction conditions to obtain pure 4-difluoromethyl-3-indolyl-2,7-dibenzyl naphthalate.
What are the precautions for the use of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt?
4,5-Dimethyl-3-benzoyl-2,7-dibutyl naphthalate During use, many things should be paid attention to.
First, because of its certain chemical activity, when storing, be sure to place it in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent chemical reactions due to environmental factors, affecting quality and performance. If the storage environment is improper, it may cause the material to deteriorate, resulting in the inability to achieve the desired use effect.
Second, protective measures should be taken during operation. This substance may be irritating to the skin, eyes and respiratory tract, so you need to wear suitable protective equipment, such as protective gloves, goggles and masks. If you accidentally come into contact with the skin or eyes, you should immediately rinse with a lot of water and seek medical treatment in time to avoid more serious injuries.
Third, the use process should strictly follow the established operating procedures and process requirements. Precisely control the reaction conditions, such as temperature, pressure, reaction time and other parameters. A slight deviation, or incomplete reaction, or the formation of other by-products, not only affects the purity and yield of the product, but also may bring safety hazards.
Fourth, in view of the fact that the substance is an organic compound, the place of use should ensure good ventilation to prevent the accumulation of its volatile gases. Organic volatile gases may have an explosion risk at a certain concentration. Good ventilation can reduce such risks and ensure the safety of operators and working environment.
Finally, after use, the remaining substances and waste should be properly disposed of. It must not be discarded at will. It should be collected and treated in accordance with relevant environmental regulations and regulations to avoid pollution to the environment.
What is the market prospect of 4,5-dihydroxy-3-phenylazo-2,7-naphthalene disulfonic acid disodium salt?
Today, there are 4% 2C5-difluoryl-3-benzoyl hydrazide-2% 2C7-dibutyl naphthalate, and its market prospects are as follows:
4% 2C5-difluoryl-3-benzoyl hydrazide, which has considerable prospects in the field of pesticides and medicine. In the field of pesticides, with its unique chemical structure, it can effectively suppress and kill specific pests, and compared with traditional pesticides, it is less harmful to the environment, which is in line with the current demands of green agriculture. With people paying more and more attention to food safety and environmental protection, the demand for such green pesticides will increase. In the field of medicine, it may be used as a new drug intermediate. After rational modification and research and development, it is expected to lead to innovative drugs for the treatment of specific diseases. However, the research and development of new drugs requires a long and complex process, with considerable investment and high risk.
2% 2C7-dibutyl naphthalate, mainly used in the field of polymer materials. As a plasticizer, it can significantly improve the flexibility, plasticity and processing performance of plastic products. With the wide application of plastic products in packaging, building materials, electronics and other industries, its market demand continues to grow steadily. However, the market competition is also quite fierce, and many similar plasticizer products coexist. And in recent years, due to the potential health risks of some traditional plasticizers, the industry's demand for green and environmentally friendly plasticizers has risen. If 2% 2C7-dibutyl naphthalate can demonstrate its advantages in environmental performance, it will definitely occupy a favorable position in the market competition.
In summary, 4% 2C5-difluoro-3-benzoyl hydrazide and 2% 2C7-dibutyl naphthalate are both facing opportunities and challenges. Practitioners need to focus on technological innovation, improve product performance and environmental protection level, in order to adapt to market dynamic changes, in order to seek development in the market.