3-Hydroxy-4-(2-Hydroxy-1-Naphthylazo)-1-Naphthalenesulfonic Acid, Sodium Salt

Lingxian Chemical

Specifications

HS Code	686293
Chemical Name	3-Hydroxy-4-(2-Hydroxy-1-Naphthylazo)-1-Naphthalenesulfonic Acid, Sodium Salt
Molecular Formula	C20H14N2NaO6S
Molecular Weight	434.386 g/mol
Appearance	Typically a colored solid (color can vary)
Solubility	Soluble in water to some extent
Ph	May have an impact on the pH of an aqueous solution depending on concentration
Chemical Stability	Stable under normal conditions but may react with strong oxidizing or reducing agents
Azo Group Presence	Contains an azo group (-N=N-), which can influence its color and reactivity
Sulfonic Acid Salt Property	As a sodium salt of a sulfonic acid, it has properties related to ionic salts
Use	May be used in dyeing processes, as an indicator in some chemical reactions

Packing & Storage

Packing	100g of 3 - Hydroxy - 4-(2 - Hydroxy - 1 - Naphthylazo)-1 - Naphthalenesulfonic Acid, Sodium Salt in sealed package.
Storage	Store 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo)-1 - Naphthalenesulfonic Acid, Sodium Salt in a cool, dry place away from direct sunlight. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could potentially lead to decomposition or chemical changes. Avoid storing near sources of heat or incompatible chemicals.
Shipping	The "3-Hydroxy-4-(2-Hydroxy-1 -Naphthylazo)-1 -Naphthalenesulfonic Acid, Sodium Salt" should be shipped in well - sealed containers. Ensure compliance with chemical transportation regulations to prevent leakage and ensure safe transit.

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3-Hydroxy-4-(2-Hydroxy-1-Naphthylazo)-1-Naphthalenesulfonic Acid, Sodium Salt

General Information

Historical Development

3-Hydroxy-4- (2-hydroxy-1-naphthyl azo) - 1-naphthalenesulfonate sodium salt, the history of this chemical has been around for a long time. In the past, the sages studied chemistry, although it was not as detailed as it is today, the heart of exploration has not diminished.
At the beginning, everyone's understanding of the substance was still shallow, and the characteristics of the compound were not fully understood. After generations of scholars, after years of repeated experiments, gradually gained something. Looking at its development, it is like the gradual gathering of stars, from the observation at the end of the micro to the clear knowledge. Although the process is long and there are many twists and turns, every step forward is the foundation for future research. With the passage of time and the accumulation of knowledge, the mystery of this compound has gradually been solved by the world, and it has its unique brilliance in the field of chemistry.

Product Overview

Today, there is a substance called 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt. This is the object of chemical research. Its shape is either powder or crystal, and the color varies depending on the preparation.
This substance is widely used in chemical experiments. It is often used as an analytical reagent to help researchers detect the similarities and differences in the composition and structure of substances. Because of its special chemical properties, it can interact with many substances under specific reaction conditions, showing unique changes. This change provides researchers with key clues to understand the microscopic chemical world.
In the process of scientific research, this object is like a sharp tool for exploration, helping us to penetrate the mysteries of chemistry and contribute to the development of the chemical field. It is of great value in terms of material cognition and new material research and development.

Physical & Chemical Properties

Today there is a thing called "3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt". Its physical and chemical properties are quite important.
View its shape, or a specific color state, or a unique texture. In terms of chemical properties, the groups in its structure enable it to react with various substances under specific conditions. Hydroxyl, naphthalene, sulfonic acid groups, etc., each have their own properties and interact, causing this substance to exhibit different chemical behaviors in an acid-base environment.
The physical constants such as melting point and boiling point of this substance are also its characteristics. And its solubility varies in various solvents, or it is easily soluble in water, or it is an organic solvent, which is determined by its molecular structure and polarity. All these physical and chemical properties are of key significance in many fields such as scientific research and production, and need to be explored in detail.

Technical Specifications & Labeling

Today there is a product called 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt. In Siwu, the process specifications and identification (commodity parameters) are the key.
To examine its process specifications, it is necessary to follow the fine method, the selection of raw materials, the appropriate ratio, the various processes, rigorous and orderly, and the temperature must be pinched, and it must be precise to achieve its high-quality products. As for the identification (commodity parameters), the color, purity, particle size, etc. should be clearly marked. The color needs to be bright and pure, without noise; the purity must be up to standard, and the impurities must not exceed the limit; the particle size is uniform, in line with the established regulations. In this way, the material is stable, the quality is high, and it can be recognized by everyone in the industry according to the needs of all parties.

Preparation Method

The method of making 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt is related to the raw materials and production process, reaction steps, and catalytic mechanism.
First take an appropriate amount of 1 - naphthol - 4 - sulfonic acid, dissolve it in water, and prepare a uniform solution. This is one of the basic raw materials. In addition, prepare 2 - hydroxy - 1 - naphthylamine, in a suitable container, urge it to dissolve with acid solution, stir carefully to fully disperse it.
Slowly pour the 2-hydroxy-1-naphthylamine solution into the 1-naphthol-4-sulfonic acid solution, control the temperature at a specific range, and continue to stir to initiate a coupling reaction. This step requires accurate control of the reaction rate and temperature changes to prevent side reactions from breeding.
When the reaction is initially completed, add an appropriate amount of lye, adjust the pH value, and promote the formation of sodium salts of the product. Subsequently, through precipitation, filtration, washing and other processes, its impurities are removed to obtain a pure product.
The whole process, the proportion of raw materials, reaction temperature, pH value regulation and catalytic conditions are all key, and fine operation is required to obtain high-quality 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt.

Chemical Reactions & Modifications

The sodium salt of 3-hydroxy-4- (2-hydroxy-1-naphthyl azo) -1-naphthalenesulfonic acid. The chemical reaction and modification of this compound are related to the gist of chemical research.
The husband chemist also explores the law of material change. For the sodium salt of 3-hydroxy-4- (2-hydroxy-1-naphthalenesulfonic acid) -1-naphthalenesulfonic acid, the chemical reaction process is worth studying. Its molecular structure is unique, and the interaction of hydroxyl, naphthalenyl, azo and other groups makes the reaction complex.
On its modification, it aims to optimize the performance. Or enhance its stability, or change its solubility, all depend on the precise regulation of chemical reactions. For example, through specific reaction conditions, the rearrangement and substitution between groups are promoted to achieve the purpose of modification.
The beauty of chemistry lies in the microscopic insight into the macroscopic. The chemical reaction and modification of 3-hydroxy-4- (2-hydroxy-1-naphthalene azo) -1-naphthalene sulfonate sodium salt can provide theoretical cornerstones and practical guidelines for many fields such as materials, printing and dyeing.

Synonyms & Product Names

A chemical substance named 3-hydroxy-4- (2-hydroxy-1-naphthyl azo) - 1-naphthalenesulfonate sodium salt is very important in our chemical research. There are also many aliases and trade names.
The ancients said: "If the name is not correct, it will not go well." In the field of chemistry, there are many names of the same substance, which is easy to confuse. This 3-hydroxy-4- (2-hydroxy-1-naphthalenesulfonate) - 1-naphthalenesulfonate sodium salt also has various aliases. Or according to its characteristics, or according to its use, it gets different names. Its trade names also vary depending on the merchants and places of origin.
We chemical researchers need to scrutinize its many names in order to be correct when researching and applying them. Clarifying the different names of the same thing is the foundation of chemical research. In experimental operations and literature review, this detail cannot be ignored. Only in this way can we move forward steadily and make progress in the way of chemistry.

Safety & Operational Standards

"3-Hydroxy-4- (2-hydroxy-1-naphthyl azo) - 1-naphthalenesulfonate sodium safety and operating specifications"
3-hydroxy-4- (2-hydroxy-1-naphthyl azo) - 1 -naphthalenesulfonate sodium, is an important chemical. When handling this substance, the first priority is safety.
When storing, choose a cool, dry and well-ventilated place away from fire and heat sources to prevent accidents. When taking it, it is necessary to wear suitable protective equipment, such as gloves, goggles, etc., to avoid contact with the skin and prevent it from entering the eyes. If you accidentally touch it, you should quickly rinse with a lot of water and seek medical attention if necessary.
During operation, follow the established procedures. Weigh accurately, do not increase or decrease the dosage at will. When mixing and blending, pay attention to the order and speed to prevent violent reactions. After use, the utensils need to be cleaned in time to remove residues.
Furthermore, the experimental site should be kept clean and tidy, and the waste should be properly disposed of. The waste of this object should not be discarded at will in accordance with relevant environmental protection regulations to prevent environmental pollution.
In general, the safe and standardized operation of 3-hydroxy-4- (2-hydroxy-1-naphthyl azo) -1-naphthalenesulfonate sodium is related to personal safety and environmental safety, and must be done with caution.

Application Area

Today there is a product called 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt. This product is useful in many fields. In the art of dyeing, it can make the fabric color bright and long-lasting, and dyers often rely on it to add color. In the field of analytical chemistry, with its unique chemical properties, it can be used as an indicator to accurately measure the process and end point of the reaction, and help chemists to understand the change of substances. In some medical research, or with potential utility, although not completely clear, but the researchers are dedicated to explore, hoping to explore its more wonders, to benefit the world, so that it shines in the practical way, in various application fields to show its extraordinary ability.

Research & Development

I have always been interested in studying chemical things. Looking at this 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) -1 - Naphthalenesulfonic Acid, Sodium Salt, I am quite interested.
The study of this thing is related to many aspects. Its chemical structure is unique, and the conformation of molecules and the relationship between atoms need to be carefully explored. In terms of reaction characteristics, the state of synthesis and decomposition with other things is also the focus of research.
To develop this thing, the optimization of the process needs to be considered. How to make it more efficient, improve purity and reduce costs is the key. And its application field, or can be extended to dyeing, analytical reagents and other areas. Only by continuous study, detailed investigation of its properties and processes, can it promote its development, add bricks and mortar to the field of chemistry, and make it more effective in various industries.

Toxicity Research

Taste of the nature of the husband, is related to the safety of people's livelihood, so toxicity research must be observed. Today there are 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt, its toxicity is particularly important.
To understand its toxicity, we should consider the method of experimentation. Observe its impact on living beings and observe its changes in the body. Or apply it to rats and dolphins, observe their differences in form and spirit, and changes in diet, to test their acute toxicity. Repeat with long-term observation, to explore its chronic harm, such as damage to the viscera and decline of function.
It is also necessary to study the way it enters the body, either by mouth, by skin touch, or by breathing. Knowing the way it enters the body can prevent it from developing. And the state of decomposition and transformation of this thing in the environment is also related to the change of toxicity. It must be studied in detail to make the theory of toxicity clear to the world, so as to protect the well-being of everyone and maintain the tranquility of the environment.

Future Prospects

Today there is a product called "3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt". As a chemical researcher, every time I think about the future of this product, I am full of longing.
This product has unique properties and may have extraordinary uses in many fields. Looking at the rapid development of today's technology, I imagine that in materials science, it may become a key component of new functional materials, giving materials unique properties, such as excellent optical or electrical properties. In the field of biomedicine, it may also show wonderful effects, or provide opportunities for the development of new drugs, helping to overcome difficult diseases.
Although the road ahead may be difficult, I firmly believe that with unremitting research and exploration, we will be able to explore its endless potential, add luster to the future world, and achieve our beautiful vision for the future.

Frequently Asked Questions

What is the main use of this "3-Hydroxy-4- (2 - Hydroxy-1-Naphthylazo) -1-Naphthalenesulfonic Acid, Sodium Salt" product?

This "3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt" is a compound in the field of chemistry, and its Chinese name is "3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthalenesulfonic Acid) - 1 - Naphthalenesulfonic Acid, Sodium Salt". Its use is quite extensive, and it is often used as a key raw material for azo dyes in the dye industry. Through specific chemical processes, dyes with rich color and good fastness can be prepared, which can be used for dyeing fabrics, leather, etc., to make the products bright and lasting.
In the field of analytical chemistry, this compound also plays an important role and is often used as a chromogenic agent for metal ions. Due to its specific structure, it can react with many metal ions to form complexes with characteristic colors, which can realize sensitive and selective detection and quantitative analysis of metal ions, and help to accurately determine the concentration of metal ions in solution.
In scientific research and exploration, this compound, as an intermediate in organic synthesis, can participate in a series of organic reactions to synthesize organic compounds with more complex structures and unique functions, providing a key foundation for the creation of new substances and material research and development, promoting the continuous development and progress of chemistry and related disciplines, and is of indispensable value in industrial production and scientific research.

What are the precautions for using the "3-Hydroxy-4- (2 - Hydroxy-1-Naphthylazo) -1-Naphthalenesulfonic Acid, Sodium Salt" product?

"3-Hydroxy-4- (2-hydroxy-1-naphthyl azo) - 1-naphthalenesulfonic acid, sodium salt" There are many things to pay attention to during use.
First, pay attention to storage methods. It should be placed in a dry, cool and well-ventilated place, away from fire and heat sources. Because the substance may be sensitive to heat and open flames, if stored improperly, it may change its properties, affect the use effect, and even cause safety risks.
Second, when using, protective measures are indispensable. Wear appropriate protective equipment, such as gloves, goggles, etc. Because of its irritation to the skin and eyes, inadvertent contact may cause discomfort or even damage.
Third, the use environment is also critical. It should be operated in a well-ventilated space to avoid inhaling its dust or volatile gas. If used in a closed and poorly ventilated place, harmful substances will accumulate, or damage the health of the user.
Fourth, during use, strictly follow the established procedures. Precisely control the dosage and reaction conditions. The chemical properties of this substance are special, and the difference between the dosage and the reaction conditions may make the reaction results very different, affecting the quality of the final product.
Fifth, after use, properly dispose of the remaining materials and waste. Do not discard it at will, and collect and dispose of it in accordance with relevant regulations to avoid pollution to the environment.

What are the storage conditions for "3-Hydroxy-4- (2 - Hydroxy-1-Naphthylazo) -1-Naphthalenesulfonic Acid, Sodium Salt" products?

"3-Hydroxy-4- (2-hydroxy-1-naphthyl-azo) - 1-naphthalenesulfonic acid, sodium salt" This substance, the key to hiding, is related to its nature. This is a chemical agent, sex or delicate, need to be handled with caution.
The hiding place should be a dry, cool and well-ventilated place. Avoid direct sunlight, cover light and heat or cause it to change, and damage its quality. And do not approach water and fire. The intensity of water and fire can cause it to be dangerous, or burn or explode, and it is dangerous.
In temperature and humidity, also need to pay attention. Temperature should be constant, not sudden change, high or perishable, low or condensation. Humidity should be controlled, even damp, causing it to dissolve water, mildew, and damage its effectiveness.
In addition, when it exists, it should be separated from others. Do not co-locate with acid and alkali. The nature of acid and alkali is strong, and when it encounters it, it will cause chemical reactions and damage its constitutive. It is also free from oxidizing agents and reducing agents, which can disrupt its chemical properties and make it useless.
The package is also heavy. A secret device is required to prevent the entry of gas and maintain its purity. If the package is not good, the invasion of gas can cause its quality to gradually shift.
Store this "3-hydroxy-4- (2-hydroxy-1-naphthyl azo) -1-naphthalenesulfonic acid, sodium salt", and must follow these rules to maintain its quality for future use.

What is the Quality Standard for this "3-Hydroxy-4- (2 - Hydroxy-1-Naphthylazo) -1-Naphthalenesulfonic Acid, Sodium Salt" product?

"3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthylazo) - 1 - Naphthalenesulfonic Acid, Sodium Salt" is 3 - Hydroxy - 4 - (2 - Hydroxy - 1 - Naphthalenesulfonic Acid) - 1 - Sodium Naphthalenesulfonate, the Quality Standard is as follows:
The properties of this product should be a powder or crystal of a specific color and morphology. Its purity is extremely critical, and it needs to reach a high proportion. The impurity content should be strictly limited. Usually the purity should not be less than [X]%, and the total impurity should not exceed [Y]%.
Regarding its solubility, it should show good solubility in a specific solvent. In water, it should be able to dissolve moderately to form a uniform solution, and the solution should not have obvious insolubility or precipitation.
Its melting point is also an important indicator, and it should be within a predetermined temperature range, such as [specific melting point range]. Within this range, the substance changes from solid to liquid, which can be used to verify its purity and quality stability.
For heavy metal content, it is necessary to strictly control, such as lead, mercury and other heavy metals, the content must not exceed the very low limit standard to ensure the safety of the product, suitable for various related application scenarios.
Moisture content is also stipulated, and should be maintained at an appropriate level, generally not higher than [Z]%, to prevent excessive moisture from affecting the chemical stability and physical properties of the product.
The above Quality Standards are all key elements to ensure the quality of "3-Hydroxy-4- (2-Hydroxy-1-Naphthalenazo) -1-Naphthalenesulfonate Sodium" products, and must be strictly followed and tested during production and use.

What is the production process of "3-Hydroxy-4- (2 - Hydroxy-1-Naphthylazo) -1-Naphthalenesulfonic Acid, Sodium Salt" products?

The production process of "3-hydroxy-4- (2-hydroxy-1-naphthyl azo) -1-naphthyl sulfonic acid, sodium salt" is an important matter related to chemical manufacturing. The method begins with the selection of raw materials, which must be based on pure and refined 1-naphthamine-3,4,6-trisulfonic acid, 2-naphthol, etc.
First prepare diazonium salts. In a low temperature environment, 1-naphthylamine-3,4,6-trisulfonic acid is co-placed with sodium nitrite and inorganic acid, and the temperature is controlled and stirred to make a delicate combination into a diazonium salt solution. This step requires strict inspection of the reaction process and conditions. If there is a slight difference, the whole situation will be wrong.
Then couple the reaction, and the prepared diazonium salt is slowly poured into the alkaline solution containing 2-naphthol. At that time, temperature and pH value are the key. Careful regulation makes the two accurately couple to obtain crude azo compounds.
After purification and refining, recrystallization, filtration, and washing methods are used to remove impurities, improve purity, and obtain refined products. Finally, through the drying process, the finished product of "3-hydroxy-4- (2-hydroxy-1-naphthyl azo) -1-naphthalenesulfonic acid, sodium salt" is obtained.
Each step is like ancient alchemy, the heat, dosage and sequence must be rigorous, and if you are not careful, all your efforts will be wasted. Only in this way can you produce high-quality products to meet the needs of all parties.