Products

1,3-Naphthalenedisulfonicacid,7-Hydroxy-8-(Phenylazo)-,Disodiumsalt

Lingxian Chemical

Specifications

HS Code

953951

Chemical Name 1,3 - Naphthalenedisulfonic acid, 7 - Hydroxy - 8 - (phenylazo) -, disodium salt
Molecular Formula C16H9N2Na2O7S2
Molecular Weight 458.36 g/mol
Appearance Typically a colored solid (usually red - brown)
Solubility Soluble in water
Ph Affects the color and stability in solution, usually used in slightly acidic to neutral pH range
Stability Stable under normal conditions, but may decompose on exposure to strong acids, bases, or high heat
Absorption Max Absorbs light in the visible spectrum, with a characteristic absorption maximum that can be used for colorimetric analysis
Use Used as a dye in various industries like textile, also in some biological staining applications
Hazard Class May cause skin and eye irritation, handle with proper safety precautions
Packing & Storage
Packing 100 - gram pack of disodium 7 - hydroxy - 8 - (phenylazo)naphthalene - 1,3 - disulfonate
Storage 1,3 - Naphthalenedisulfonic acid, 7 - Hydroxy - 8 - (phenylazo) - disodium salt should be stored in a cool, dry place away from direct sunlight. Keep it in a well - sealed container to prevent moisture absorption. Avoid storing near heat sources or reactive chemicals. This helps maintain its chemical stability and prevent degradation or unwanted reactions.
Shipping 1,3 - Naphthalenedisulfonic acid, 7 - Hydroxy - 8 - (Phenylazo) - disodium salt is shipped in accordance with chemical regulations. Packed securely to prevent spills, transported under appropriate conditions to maintain its stability during transit.
Free Quote

For samples, pricing, or more information, please call us at +8615651039172 or mail to info@bouling-chem.com.

We will respond to you as soon as possible.

Tel: +8615651039172

Email: info@bouling-chem.com

1,3-Naphthalenedisulfonicacid,7-Hydroxy-8-(Phenylazo)-,Disodiumsalt
General Information
Historical Development
1,3-Naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, plays an important role in the development of chemical products. Looking back to the past, at the beginning, the discovery and exploration of this thing was the result of the unremitting research of chemical masters. At that time, the academic community was eager to explore new compounds, and through many experiments and analyses, this unique chemical structure was obtained.
With the passage of time, the technology has progressed, and the preparation process has been continuously improved. From the initial crude attempt to the later mature process, every step has gathered countless efforts. This compound has gradually developed its capabilities in many fields, either assisting industrial production or emitting light in scientific research and exploration. Its historical evolution has witnessed the rise of chemical technology, and has also paved a solid path for subsequent related research and applications, with far-reaching impact.
Product Overview
1,3-Naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, this is a unique chemical substance. Its properties are quite special. In terms of structure, it has a naphthalene ring structure. The naphthalene ring is connected to specific groups such as sulfonic acid, hydroxyl and phenylazo. The substance is in the form of disodium salt, or affects its solubility and chemical activity in solvents.
In terms of chemical properties, it can participate in acid-base reactions because it contains hydroxyl groups or has certain acidity. The existence of phenyl azo groups gives it a special response to light and heat, or causes its color to change under specific conditions.
This substance may have important uses in the chemical industry, such as in the synthesis of dyes, or due to its unique structure and properties, it has become a key intermediate, helping to generate brightly colored and stable dyes, providing indispensable raw materials for textile, printing and dyeing industries.
Physical & Chemical Properties
Guanfu 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo), disodium salt. Its physical and chemical properties are related to many things. Its color may be in a distinct state, like a powder, its solubility in water has its own characteristics, or it can be soluble, or slightly soluble, all because of its molecular structure.
When it comes to chemical properties, it has an azo structure, which makes it uniquely active in chemical reactions. In the environment of acid and base, it may change, such as the genus of acid-base neutralization, or it may change color due to structural changes. And because of the existence of naphthalene rings, it is aromatic and can participate in a variety of aromatic reactions. The use of this substance in the fields of chemical industry and scientific research, or its extraordinary use, depends on its physical and chemical properties.
Technical Specifications & Labeling
1,3-Naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, the process specifications and identification (product parameters) of this substance are the key to our chemical research. The process specifications need to clarify the preparation process of each step, from the selection of raw materials, when it is pure and flawless, to the reaction conditions, the temperature and pressure must be precisely controlled, and the temperature is slightly worse. In terms of identification, the product parameters must be detailed, such as purity, which needs to reach a very high standard, and the impurity content must be minimal, which is related to the quality of the product. The packaging label should not be ignored, and its characteristics and warnings should be clearly stated to ensure that users are safe. In this way, we can obtain the essence of the product's process specifications and labels, making the product suitable for use and safe in the city.
Preparation Method
To prepare 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, the method of preparation is related to the raw materials and production process, reaction steps and catalytic mechanism, which is the key.
First take the appropriate naphthalene, supplemented by sulfonic acid, under a specific temperature and pressure environment, carry out the sulfonation reaction to obtain 1,3-naphthalene disulfonic acid. Then take phenolic raw materials, and sodium nitrite and other reagents, through diazotization reaction, to obtain diazonium salt. Then, the diazonium salt and 1,3-naphthalene disulfonic acid in an alkaline medium, at an appropriate temperature, catalyzed by a suitable catalyst, carried out a coupling reaction to generate 7-hydroxy-8- (phenylazo) -1,3-naphthalene disulfonic acid. Finally, react with sodium salt reagent to obtain the target product 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt. Each step of the reaction requires precise temperature control, timing control and reagent dosage control to achieve the ideal yield and purity.
Chemical Reactions & Modifications
The chemical transformation of 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt is related to chemical reaction and modification. I have tried to study this product, and its chemical reaction is wonderful, which is considerable. When it is under specific reaction conditions, its molecular structure is volatile, and both hydroxyl and azo groups can initiate various reactions, or nucleophilic substitution, or oxidation and reduction, resulting in different products.
As for modification, new groups can be introduced to change its chemical properties. Such as treatment with specific reagents, or increase its solubility, or change its stability. This depends on fine control of reaction conditions and precise selection of reagents to achieve the expected modification purpose. In the process of chemical research, this is the key to exploring new qualities and expanding applications.
Synonyms & Product Names
1,3-Naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, in the field of chemical research, has many aliases and trade names. Its synonym is also known as naphthol yellow S. In ancient books, it is also seen that its name is described in ancient and elegant words.
It is recorded in ancient books of Guanfu that its name may be named according to its color, its nature, and its use. For example, because its color is yellow and it is useful in the dyeing and weaving industry, it is named with the word "yellow". And because its structure contains naphthalene, it is not separated from the name of the old book. The trade names are taken by merchants for their characteristics and for the convenience of the market. Either the color is correct, or the dyeing effect is good, each has its own meaning.
Although there are many names, they all refer to this 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt compound. These many synonyms and trade names are also witnesses to the history of chemical industry, reflecting one of the spots in chemical cognition and business exchanges at that time.
Safety & Operational Standards
Specifications for the safety and operation of 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt
Fu 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, an important substance for chemical research. Its experimental operation and storage and use, when observing safety and operating standards, to ensure that everything goes smoothly and there is no danger.
The way to safety is the first protection. Experimenters must wear suitable protective equipment, such as protective clothing and protective gloves, to avoid contact with the skin and avoid irritation and allergies. It is also necessary to wear protective goggles to prevent it from splashing into the eyes and damaging the eyesight. In the place of operation, when the ventilation is good, the harmful gases can escape in time and do not gather in the room to protect the well-being of the experimenter.
The operation specification is also the key. When taking it, the action should be slow and steady, and the measurement should be taken according to the precise measuring tool. Do not make too much or too little, resulting in experimental deviation. Dissolve and prepare, according to the specified steps, add an appropriate amount of solvent first, and then slowly add this substance, and stir evenly at the same time to promote its full dissolution. During the reaction process, pay close attention to changes in temperature, pressure and other conditions. If there is any abnormality, dispose of it immediately.
The method of storage should not be ignored. It should be placed in a dry, cool and ventilated place, away from fire sources and oxidants. Different batches and specifications should be stored in different categories, with clear marks for easy access and management. In case of material leakage, do not panic, evacuate personnel first, isolate the site, and then according to the amount and condition of leakage, choose appropriate methods to clean up, such as adsorption with adsorbent, properly collect waste, and dispose of according to regulations.
In general, in the research and application of 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, safety must be the basis, follow the operating specifications, in order to explore the chemical mystery and ensure the safety of the experiment.
Application Area
1,3-Naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt is useful in many fields. In the field of dyeing and weaving, it can be used as a dye. With its unique chemical structure, it can make the fabric dye a brilliant color, and the color is firm, and it will not fade for a long time. In the process of scientific research, because of its characteristics, it can be used as an indicator to accurately display the process and results of certain chemical reactions. In some chemical production, it can be used as an important intermediate to derive other useful compounds through a series of reactions. Such various applications show that it is of great significance in related fields and silently contributes to the development of various industries.
Research & Development
Today there is a product named 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt. As a chemical researcher, I have been studying it for a long time.
This compound has unique properties and has great potential in the fields of chemical industry and materials. After repeated experiments, its reaction characteristics were observed and the best synthesis method was explored. During the process, many problems were encountered, such as difficult to control the purity and the yield was not up to expectations.
However, I was not discouraged. I consulted ancient books and classics, learned from the wisdom of predecessors, and combined with today's new techniques to continuously adjust the plan. Fortunately, the synthesis method has gradually improved, and the quality of the product has also improved.
In the future, I will continue to study and expand the application of this product, hoping to contribute to the development of the industry, make it shine in more fields, and promote the progress and development of chemical research.
Toxicity Research
A chemist, specializing in the study of toxicants. A recent study of a product, named "1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt".
To clarify its toxicity, then rigorous operation. Observe its shape and quality, observe the changes in detail. Under various conditions, the subjects of the genus White Rat and Rabbit Dolphin were tested. Observe its diet, movement and lying, and expression, and note its subtle abnormalities.
After observation over the years and analyzing its data, it is known that when this product is highly concentrated, it has obvious damage to the subject's body, and can cause organ abnormalities and decay of vitality. However, the low concentration should not be ignored, or there is a chronic accumulation of poison. The fruit of this research is enough to alert the world. In the system, use, and handling of this thing, we should be cautious and cautious to avoid disasters, so as to protect the well-being of living beings and the peace of the world.
Future Prospects
I have dedicated myself to studying 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt. In today's context, although its properties are already slightly understood, in the future, I still have a broad outlook.
I think that in the future, we can explore its microstructure in depth, clarify the delicate structure of its molecules, and the subtlety of bonding, so as to gain a deeper understanding. Furthermore, we want to expand its application domain. Looking at today's world, science and technology are improving, and this compound may have opportunities to emerge in the fields of new material creation, exquisite analysis and detection. Ji Neng will join hands with colleagues to jointly develop its new applications, so that it can shine in various fields such as industrial manufacturing, medicine and health, and contribute to human well-being, achieving an extraordinary career in order to meet the grand vision of the future.
Frequently Asked Questions
3-Naphthalenedisulfonicacid, 7-Hydroxy-8- (Phenylazo) -, what is the chemical structure of Disodiumsalt
This is a 1,3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, and its chemical structure is based on chemical principles.
1,3-naphthalene disulfonic acid, above the naphthalene ring, is connected with sulfonic acid groups at the 1st and 3rd positions. The sulfonic acid group is a group derived from -SO 🥰 H, which has strong polarity and hydrophilicity.
7-hydroxy group is connected with a hydroxyl group (-OH) at the 7th position of the naphthalene ring. Hydroxyl groups can participate in the formation of hydrogen bonds and have a great influence on the physical and chemical properties of compounds.
8- (phenylazo), the 8-position of the naphthalene ring is connected with a phenylazo group. The phenylazo group is formed by -N = N -linking a phenyl group, and its structure gives the compound a specific color and photochemical properties. It is common in dyes and other fields.
For disodium salts, due to the acidity of the sulfonic acid group, it can form a salt with sodium ions (Na 🥰). The two sulfonic acid groups each combine a sodium ion to form a disodium salt. The formation of this salt enhances the solubility of the compound in water, and also affects its ionic behavior and reactivity.
In summary, the structure of this compound is composed of naphthalene ring as a group, including sulfonic acid group, hydroxyl group, phenyl azo group, and forms a disodium salt state. The interaction of each group endows it with unique physical and chemical properties.
3-Naphthalenedisulfonicacid, 7-Hydroxy-8- (Phenylazo) -, what are the main uses of Disodiumsalt
1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, this substance is widely used in industrial and scientific research fields.
In the dyeing and weaving industry, it is often used as a dye. Because its structure contains specific chromophore groups, such as phenylazo structure, the substance has a unique color and can impart a lasting and bright color to the fabric. In the ancient dyeing and weaving industry, the selection of dyes is extremely critical, which is related to the quality and beauty of the fabric. This compound can make the fabric show a variety of colors and meet the color needs of different groups of people for clothing and fabrics.
In the field of analytical chemistry, this substance may act as an analytical reagent. Due to its properties of reacting with specific substances to form characteristic products, it can be used to detect and identify certain metal ions or organic compounds. Just as in ancient times, the identification of various substances required specific methods and materials, this compound plays a similar role in modern analytical chemistry, helping researchers identify and determine the composition and content of substances through specific chemical reactions.
In the leather manufacturing industry, it may also have applications. It may be used to assist in the dyeing or tanning process of leather. In the leather treatment process, various chemicals are used to give the leather a good color and durability. This compound may play a role in the dyeing stage, giving the leather a uniform and firm color; or in the tanning process, it may assist in enhancing the stability and quality of the leather, just as the addition of specific materials in the ancient leather manufacturing process improved the performance of the leather.
3-Naphthalenedisulfonicacid, 7-Hydroxy-8- (Phenylazo) -, what are the physical properties of Disodiumsalt
1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, the physical properties of this substance are as follows:
It is usually in solid form and is quite stable under normal temperature and pressure. Looking at its color, it is often a specific color, or it varies slightly due to different preparation methods and impurities contained. Its solubility is also an important physical property. It has a certain degree of solubility in water. This solubility is related to the sulfonic acid group contained in the molecular structure. The sulfonic acid group is hydrophilic, so it exhibits a specific solubility behavior in water.
Furthermore, the melting point and boiling point of this substance are also key physical parameters. The value of the melting point depends on the strength of the intermolecular forces, including hydrogen bonds, van der Waals forces, etc. The hydroxyl groups, sulfonic acid groups and azo structures in the molecule all affect the intermolecular forces, which in turn determine the melting point. The same is true for the boiling point, which is affected by the dual effects of intermolecular forces and external pressures.
Its density is also one of the physical properties. The size of the density reflects the compactness of the internal structure of the substance, which is determined by the relative mass of the molecule and the arrangement of the molecules.
In terms of optical properties, due to the existence of the azo structure, this substance may have a specific light absorption property and exhibit an absorption peak in a specific wavelength range. This property can be used as a basis for identification and detection in analytical chemistry and related fields.
In addition, its particle size distribution may also affect some applications, such as in some preparation processes, the size and uniformity of particle size will affect the quality and performance of the product.
In summary, 1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt has a variety of physical properties, which are interrelated and jointly determine its application and behavior in different fields.
What is the preparation method of 3-Naphthalenedisulfonicacid, 7-Hydroxy-8- (Phenylazo) -, Disodiumsalt?
1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, this is an important chemical substance. To obtain this substance, you can follow the following method.
Take 1,3-naphthalene disulfonic acid as the starting material first, and pay attention to its purity and quality to ensure a smooth reaction. Place it in a suitable reaction vessel, add an appropriate amount of solvent to fully dissolve the raw material and create a good reaction environment.
Then, slowly add 7-hydroxy-8- (phenylazo) related reactants to the reaction system. When adding, the speed must be properly controlled to prevent the reaction from being too violent and out of control. In this process, the reaction temperature and pH should be closely monitored. Too high or too low temperature will affect the rate of reaction and the purity of the product, and the imbalance of pH may also lead to the occurrence of side reactions.
When the reactants are added, continue to stir to fully react. The reaction time at this stage is very critical and should be determined according to the specific reaction conditions. Generally speaking, the reaction takes several hours to tens of hours.
After the reaction is completed, the product is separated from the reaction system by suitable separation methods, such as filtration and extraction. Then, appropriate purification methods, such as recrystallization, are used to improve the purity of the product. When recrystallizing, a suitable solvent should be carefully selected, and the solubility of the solvent to the product should be considered with temperature, so as to obtain a high purity of 1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt.
The entire preparation process needs to strictly follow the operating procedures and pay attention to the control of details, so that high-quality products can be prepared.
3-Naphthalenedisulfonicacid, 7-Hydroxy-8- (Phenylazo) -, Disodiumsalt What are the precautions during use
1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, this is a chemical substance, and many matters need to be paid attention to during use.
Bear the brunt of safety protection. This substance may be toxic and irritating to a certain extent. When contacting, be sure to wear appropriate protective equipment. For example, wear protective gloves to prevent it from coming into direct contact with the skin, causing skin damage, causing allergies or corrosion; wear protective glasses to avoid it accidentally splashing into the eyes, causing serious damage to the eyes. At the same time, you should also wear a mask to prevent inhalation of dust or volatiles of this substance, so as not to damage the respiratory tract.
Furthermore, storage is also exquisite. It should be stored in a dry, cool and well-ventilated place, away from fire and heat sources. Due to its nature or instability, high temperature, humid environment or cause chemical reactions, which affect quality and even cause danger. Different chemical substances should also be stored in categories to avoid mutual reactions.
The use process also needs to be cautious. The operation should be carried out in strict accordance with the standard process, and the dosage and reaction conditions should be precisely controlled. If a chemical reaction is involved, factors such as temperature, pH, reaction time, etc. have a great impact on the result. If there is a slight poor pool, the reaction may fail, or harmful substances will be generated. After use, properly dispose of the remaining substances and waste, follow environmental protection and safety requirements, and must not be discarded at will to prevent pollution of the environment and endanger the safety of others.
Only in the process of using 1% 2C3-naphthalene disulfonic acid, 7-hydroxy-8- (phenylazo) -disodium salt, attention should be paid to the above matters to ensure the safety of use and achieve the desired effect.