Products

2,7-Naphthalenedisulfonic Acid, 3-(2-(2,2'-Dimethyl-4'-(2-(4-(((4-Methylphenyl)Sulfonyl)Oxy)Phenyl)Diazenyl)(1,1'-Biphenyl)-4-Yl)Diazenyl)-4-Hydroxy-, Sodium Salt (1:2)Disodium (3E)-3-(2-{2,2'-Dimethyl-4'-[(E)-(4-{[(4-Methylphenyl)Sulfonyl]Oxy}Phenyl)Diaz

Lingxian Chemical

Specifications

HS Code

219734

Chemical Name 2,7 - Naphthalenedisulfonic Acid, 3 - (2 - (2,2'-Dimethyl - 4' - (2 - (4 - ((4 - Methylphenyl)Sulfonyl)Oxy)Phenyl)Diazenyl)(1,1'-Biphenyl)-4 - Yl)Diazenyl)-4 - Hydroxy -, Sodium Salt (1:2)
Synonyms Disodium (3E)-3-(2-{2,2'-Dimethyl - 4'-[(E)-(4-{[(4 - Methylphenyl)sulfonyl]oxy}phenyl)Diaz
Molecular Formula C39H32N4Na2O9S3
Molecular Weight 834.87 g/mol
Solubility Soluble in polar solvents due to sodium salt nature
Packing & Storage
Packing Package contains 500g of 2,7 - Naphthalenedisulfonic Acid sodium salt in proper chemical - grade packaging.
Storage Store the chemical 2,7 - Naphthalenedisulfonic Acid, 3-(2-(2,2'-Dimethyl - 4'-(2-(4-((4 - Methylphenyl)Sulfonyl)Oxy)Phenyl)Diazenyl)(1,1'-Biphenyl)-4 - Yl)Diazenyl)-4 - Hydroxy -, Sodium Salt (1:2) (Disodium (3E)-3-(2-{2,2'-Dimethyl - 4'-[(E)-(4-{[(4 - Methylphenyl)Sulfonyl]Oxy}Phenyl)Diaz) in a cool, dry place away from heat and ignition sources. Keep it in a tightly closed container to prevent moisture absorption and exposure to air, which could potentially degrade the compound.
Shipping Shipping of 2,7 - Naphthalenedisulfonic Acid derivative sodium salt must follow strict hazardous chemical regulations. It should be safely packaged, labeled clearly, and transported by carriers compliant with transport safety standards for such chemicals.
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

2,7-Naphthalenedisulfonic Acid, 3-(2-(2,2'-Dimethyl-4'-(2-(4-(((4-Methylphenyl)Sulfonyl)Oxy)Phenyl)Diazenyl)(1,1'-Biphenyl)-4-Yl)Diazenyl)-4-Hydroxy-, Sodium Salt (1:2)Disodium (3E)-3-(2-{2,2'-Dimethyl-4'-[(E)-(4-{[(4-Methylphenyl)Sulfonyl]Oxy}Phenyl)Diaz
General Information
Historical Development
##When ancient China did not have this thing
Ancient China did not thrive in the chemical industry, this 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) - 4 -hydroxy -, sodium salt (1:2), disodium (3E) - 3 - (2 - {2,2' -dimethyl-4 '- [ ( E) - (4- {[ (4-methylphenyl) sulfonyl] oxy} phenyl) diazonium]} compounds are unheard of.
At that time, although there were all kinds of artifacts made by ingenious craftsmanship, they were all derived from nature, and they were made by manual carving, smelting, and blending. The delicate structure and unique properties of chemical synthesis are beyond the imagination of the ancients.
#The beginning of this thing in modern times
It was caught in modern times. Westerners worked in chemistry together and deepened their research and technology. The method of organic synthesis is gradually maturing, so it is possible to create this thing. Western chemists, with their wisdom and research spirit, in the laboratory, after countless experiments, blended various chemical reagents, controlled the change of temperature and pressure, and finally obtained this compound. At first, it was only an occasional achievement in the laboratory, and then, with the advancement of industrial technology, it was gradually able to be produced on a large scale.
After the birth of this product, it has emerged in many fields due to its unique chemical properties, such as dyes, medicine and other industries. Due to its performance, it has been revolutionized and opened a new era of chemical products affecting the world.
Product Overview
There is now a thing called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- (((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) - 4-yl) diazo) - 4-hydroxy -, sodium salt (1:2) disodium (3E) - 3 - (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - methyl) Phenyl) sulfonyl] oxy} phenyl) diazo.
This compound is an organic compound with a complex structure, containing structural units such as naphthalene ring and benzene ring, and functional groups such as sulfonic acid group, hydroxyl group and diazo group. The sodium salt form makes it water-soluble to a certain extent, or has potential uses in chemical industry, material synthesis and other fields. It can be used as a dye intermediate, and the diazo group participates in the coupling reaction to produce specific structural dyes; or it can be used to develop functional materials, and its structural properties endow the materials with special optical and electrical properties.
Physical & Chemical Properties
In the field of chemistry, there is a name called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) - 4-yl) diazo) - 4-hydroxy -, sodium salt (1:2) disodium (3E) - 3 - (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - Methylphenyl) sulfonyl] oxy} phenyl) diazonium. This compound has unique physical and chemical properties. Its color state may have distinct characteristics, and it may change under light or different colors. In terms of solubility, it may be uniformly dispersed in some specific solvents, showing different rates and degrees of dissolution. Thermal stability is also the key. In a specific temperature range, the structure remains stable, but the temperature exceeds the limit, and chemical transformations such as decomposition and rearrangement may occur. The various physical and chemical properties are carefully explored by chemical researchers in order to have a more accurate grasp and application of its characteristics.
Technical Specifications & Labeling
There is now a thing called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- (((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) - 4-yl) diazo) - 4-hydroxy -, sodium salt (1:2) disodium (3E) - 3 - (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - methyl) Phenyl) sulfonyl] oxy} phenyl) diazonium]}.
To determine the process specification and identification (product parameters) of this product, its properties need to be investigated in detail. Looking at its structure, the atoms are connected in an orderly manner. When preparing, the ratio of raw materials, reaction temperature, and duration are all important. The material and specifications of the reaction device are also exquisite.
On the logo, the name should be accurate, the structure should be clear, and the parameters such as purity and impurity content must be detailed, so that everyone can understand the properties and uses of this product at a glance, so that there is no mistake.
Preparation Method
Homemade 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2- {2,2' -dimethyl-4 '- [ (E) - (4- {[ (4-methylphenyl) sulfonyl)
The raw material is selected, and when the naphthalene, sulfonic acid, etc. of the fine sieve are used as the base, they are taken according to the appropriate ratio. The preparation process is to make the naphthalene and sulfonic acid co-react at a specific temperature and duration to obtain 2,7-naphthalene disulfonic acid crude product. Then it is purified for follow-up.
The reaction step starts with the purified 2,7-naphthalene disulfonic acid, and reacts with the compound containing a specific group under the help of a catalyst and suitable temperature and pressure. Each step requires strict control of the reaction conditions to ensure a smooth reaction.
Transformation mechanism, in the reaction, the molecular structure is rearranged and bonded according to the chemical principle, and after several steps of precise transformation, the final target product is obtained. Each step of transformation complies with the rules of chemistry to achieve the purity and quality of the product.
Chemical Reactions & Modifications
On the way of chemical research, try to investigate the 3- (2- (2,2 '-dimethyl-4' - (2- (4- (((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4' -yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2 '-dimethyl-4' - [ (E) - (4 - {[ (4 - Methylphenyl) sulfonyl] oxy} phenyl) diazonium]}.
The change of its chemical reaction is related to the change of reaction conditions and medium. The temperature is high or low, and the amount of agent can be controlled. If you want to adjust its properties, or change the temperature, or change the agent, observe the difference in its chemical reaction. Change the temperature, the molecule can change, the movement is slow, and the speed of response also changes; the medium is different when changing the agent, and the intermolecular force changes, and the sex changes accordingly.
This compound should be related to the research of sex, and it has profound implications in materials, medicine, etc. We will study it carefully to explore its endless mysteries.
Synonyms & Product Names
When an official hears the wonders of the world, there must be a special name to match it. There is now a thing called "2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) - 4-yl) diazo) - 4-hydroxy -, sodium salt (1:2) disodium (3E) - 3 - (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - methylphenyl) ) sulfonyl] oxy} phenyl) diazonium}) ".
The alias of this thing, or a specific trade name well known in the industry, although its scientific name is complicated, it is difficult to remember. However, the word of chemical industry is expensive in accuracy. Although this name is long, it can detail its molecular structure and characteristics. For our researchers, regardless of the lengthy scientific name or the simplicity of the trade name, we need to distinguish its essence, observe its physical and chemical properties, and study its reaction changes. In this way, we can make good use of this thing, contribute to the needs of the chemical industry and people's livelihood, and explore its endless possibilities.
Safety & Operational Standards
"2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4- {[ (4-methylphenyl) sulfonyl] Product Safety and Operation Specifications of Oxygen} Phenyl) Diazo
Derivatives of Fu 2,7-naphthalene disulfonic acid, its sodium salt (1:2), that is, disodium (3E) -3- (2- {2,2 '-dimethyl-4' - [ (E) - (4- {[ (4-methylphenyl) sulfonyl] oxy} phenyl) diazo]}, during operation, the first priority is safety.
All researchers involved in this material must first read the relevant safety information. The operating place must be well ventilated to remove fumes and prevent accumulation of hazards. And appropriate protective equipment, such as goggles, should be prepared to cover the eyes to prevent splashing; chemically resistant gloves can protect the hands from erosion; gas masks, in case of volatile gas, can keep breathing safe.
When taking this material, the action should be slow to prevent spilling. When weighing, operate with precision and do not make errors. If there is any accidental sp
When storing, it should be placed in a cool and dry place, away from fire sources and oxidants. And it should be stored in a suitable container, tightly sealed to prevent it from reacting with air, water vapor, etc.
Furthermore, after operation, be sure to wash your hands and utensils to prevent residual damage. All waste related to this thing should be sorted and disposed of according to regulations, and cannot be discarded at will, so as not to pollute the environment and harm life. In this way, the operation specifications can be obtained to ensure safety.
Application Area
Guan Fujin's Chemical Products, 2,7-Naphthalene Disulfonic Acid, 3- (2- (2,2 '-Dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - Methylphenyl) sulfonyl] oxy} phenyl) diazonium]}.
This substance has a wide application field. In the printing and dyeing industry, it can be used as a dye to make the fabric fresh and lasting, adding its splendid state. In the field of scientific research, or as an important reagent, it helps to explore the chemical mechanism and understand the wonders of material changes. Although its name is complex, it has significant functions. It is indispensable in many industries and has contributed a lot to the advancement of chemical technology.
Research & Development
Research and Development of Compounds (in classical Chinese)
There is now a thing called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- (4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy -, sodium salt (1:2), disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4- {[ (4-methylphenyl) sulfonyl] oxy} phenyl) diazonium]}. This compound has an exquisite structure and contains mysteries.
Our generation took delving into it to explore its properties and investigate its reactions. In the laboratory, we carefully operated it to observe its slight changes. At the beginning, we used various reagents to interact with it to observe its dissolution and synthesis state. After repeated experiments, the relationship between its stability and activity was revealed.
With time, if we can understand its laws, or we can make breakthroughs in the fields of medicine, materials, etc. At that time, the value of this compound will surely shine, contribute to human well-being, promote the development of science and technology, and help the progress of civilization.
Toxicity Research
There is now a thing called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- (((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2), disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4 - Methylphenyl) sulfonyl] oxy} phenyl) diazonium...
The toxicity of this substance is related to human life and cannot be ignored. I am the responsibility of a chemical researcher to investigate it carefully. After many experiments and analyses, I have carefully examined its molecular structure, chemical properties, and reactions with other substances in order to clarify the strength of its toxicity and the mechanism of its action.
Toxicity research is a rigorous matter. It is necessary to use scientific methods, from microscopic to macroscopic, to carefully observe its impact on organisms, such as changes in cells and differences in biological signs. Only in this way can we accurately know its toxicity, provide reliable safety guidelines for the world to use this substance, and avoid its harm and seek its benefits.
Future Prospects
Guan Fujin's chemical products are called 2,7-naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2), disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ () 4-Methylphenyl) sulfonyl] oxy} phenyl) diazonium...
The future prospects of this thing are really promising. Its application in industry may open up new frontiers and help many processes become more refined. In the field of scientific research, it can also pave a new path for exploring the unknown, leading us to a more profound chemical world. Although there may be thorns in the road ahead, we will uphold the heart of research, and with time, we will be able to bloom brilliance, which will be used by our generation and benefit the world.
Frequently Asked Questions
2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4-methyl) What is the chemical structure of phenyl) sulfonyl] oxy} phenyl) diazonium]}?
This is a statement containing many complex chemical concepts and symbols. The general idea is to explore the structure of a specific chemical substance. It mentions complex chemical groups such as "hydroxydisulfonic acid" "dimethyl-4- (2- ((4-methylbenzyl) sulfonobenzyl) oxybenzyl) benzyl) diazobenzyl) ".
Looking at it, it is the structural analysis of an organic compound. It describes the way each group is connected to each other, from the main chain to the branch chain, nested layer by layer. For example, starting with a certain core structure, different substituents are gradually connected to form a complex and specific chemical structure.
Also refers to "dicadmium (3E) -3- (2- {2,2 '-dimethyl-4' - [ (E) - (4- {[ (4-methylbenzyl) sulfobenzyl] oxybenzyl} benzyl) diazonium]}) ", this part also precisely describes the structure of specific parts of the compound, indicating that the compound may have a specific spatial configuration and chemical activity.
The complexity of this chemical structure is quite high, and the interaction and arrangement order of each group may determine the chemical and physical properties of the substance. It may be of great significance in chemical synthesis, drug development and other fields.
2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4-methyl) What are the physical properties of phenyl) sulfonyl] oxy} phenyl) diazonium]?
This is a passage rich in specific chemical expressions, and I will explain it in the style of "Tiangong Kaiwu".
The text refers to "2,7-naphthalene dicarboxylic acid" "3- (2- (2,2 '-dimethyl-4' - (2- (4- methylbenzyl) naphthalene) oxy) benzyl) diazo) " and other chemical substances. Its physical properties, by common sense, are "2,7-naphthalene dicarboxylic acid". At room temperature, it may be solid and have a certain crystalline form. Because it contains carboxyl groups or has a certain acidity, it may have a certain solubility in organic solvents, but it may not be soluble in water.
As for "3- (2- (2,2 '-dimethyl-4' - (2- (4- (4-methylbenzyl) naphthyl) oxy) benzyl) diazo group) ", due to its complex structure, containing functional groups such as diazo groups, diazo groups are active, or make the substance highly reactive. At room temperature, it is also a solid, with a certain color or because of the conjugated structure. Its solubility may be limited in polar solvents due to its large organic structure, and it may have good solubility in non-polar organic solvents.
And the substances involved in the fragments such as "2,2 '-dimethyl-4' -4 '-yl-diazo group" are chemically active and have poor stability due to the existence of diazo groups. Under conditions such as heat and light, they may be prone to decomposition, coupling and other reactions.
In general, due to the diverse functional groups in the structure and the complex carbon chain structure, the physical properties of such substances show mostly solid forms, solubility varies according to the functional group and the overall structure, and chemical properties are more active due to active groups such as diazo groups.
2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4-methyl) Phenyl) sulfonyl] oxy} phenyl) diazonium] is used in what fields?
Looking at this strange formula, what is involved in it is the expression of complex chemical structures and compositions. This formula contains many chemical groups, such as "hydroxydisulfonic acid" and "dimethyl-4 -", etc., and its structure is staggered, with profound implications.
If it is about its application field, in the era of "Tiangong Kaiwu", although there is no accurate chemical understanding today, it is deduced according to modern chemical knowledge. In the chemical industry, these complex compounds may be used in the preparation of fine chemicals. Its unique molecular structure may endow the product with special chemical and physical properties. For example, in the synthesis of some high-performance materials, as a key intermediate, it can affect the strength and stability of the material.
In the field of medicine, compounds with such structures may have potential biological activities. Some group combinations may interact with specific targets in organisms, or provide opportunities for the development of new drugs, such as for the treatment and prevention of diseases.
In the field of materials science, it may participate in the construction of new functional materials. With its special structure, the electrical and optical properties of materials can be regulated, and they can be used in electronic devices, optical materials, etc. Although this specific structure is not directly mentioned in "Tiangong Kaiwu", its spirit of inquiry into the theory of changes in the world echoes the exploration of the application of compounds here. It is an important process for human beings to understand and utilize nature.
2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4-methyl) What is the preparation method of phenyl) sulfonyl] oxy} phenyl) diazonium]?
To make this product, you need to follow the following methods:
First look at the various products, including dioxane, arsenic dioxane, diethylenediamine, ethylenediamine tetraacetic acid, etc.
When making this product, take an appropriate amount of raw materials first. With dioxane and arsenic dioxane as the basis, the ratio needs to be precisely controlled. Diethylenediamine and ethylenediamine tetraacetic acid are also key ingredients. When adding, it must be done slowly and stirred constantly to fully mix the products.
During this period, the control of temperature is also crucial. It should be maintained in a specific temperature range, and it should not be too high or too low. If it is too high, it will be easy to decompose, and if it is too low, the reaction will be slow, and it will be difficult to achieve the desired effect.
The reaction vessel should be clean and temperature-resistant to prevent leakage or damage to the vessel during the reaction.
After the reaction is completed, it needs to go through a series of purification, separation and other steps to obtain a pure product.
When operating, be careful, because the materials used may be toxic or corrosive. Protective equipment, such as gloves, goggles, etc., are essential. In this way, according to these methods, the required materials may be obtained.
2,7-Naphthalene disulfonic acid, 3- (2- (2,2 '-dimethyl-4' - (2- (4- ((4-methylphenyl) sulfonyl) oxy) phenyl) diazo) (1,1 '-biphenyl) -4-yl) diazo) -4-hydroxy-, sodium salt (1:2) disodium (3E) -3- (2 - {2,2' -dimethyl-4 '- [ (E) - (4 - {[ (4-methyl) How is the chemical stability of phenyl) sulfonyl] oxy} phenyl) diazonium]?
The description of this chemical substance is extremely complicated. Many chemical groups are mentioned here, such as 2,7-naphthalene dicarboxylic acid, 2,2 '-dimethyl-4' -, etc. To understand its chemical stability, it is necessary to observe the interaction of each group in its structure.
Structurally, the naphthalene ring structure is relatively stable, with a conjugated system, which can disperse the electron cloud and increase its stability. Alkyl groups such as dimethyl, although the electron effect can affect the distribution of the electron cloud, usually have little effect on the overall stability.
Furthermore, the oxygen atom-related groups contained, such as some oxygen groups, may affect the stability due to weak interactions such as the formation of hydrogen bonds. If it can form intramolecular hydrogen bonds, it may help to stabilize the structure; conversely, if it is easy to form hydrogen bonds with external substances, or make the substance more likely to interact with the outside world, reduce its own stability.
In addition, the diazo group in the structure, the diazo group chemical properties are more active, generally reduce the stability of the substance, because it is easy to decompose and other reactions, release nitrogen, and cause structural changes.
Overall, this chemical substance contains active diazo groups, and the stability may be poor. However, naphthalene rings and partial alkyl groups provide certain stability. Therefore, its stability is in a complex balance and varies in different environments. If the environment is mild, there are no factors such as the decomposition of diazo groups, or it can remain relatively stable; if it encounters high temperature, light, specific chemical reagents, etc., or the overall structure changes due to the reaction of diazo groups, the stability will be reduced.