1,4-Diiodobenzene

Fengxi Chemical

Specifications

HS Code	366811
Chemical Formula	C6H4I2
Molar Mass	329.905 g/mol
Appearance	White to off - white solid
Melting Point	88 - 91 °C
Boiling Point	284 - 286 °C
Density	2.498 g/cm³ at 20 °C
Solubility In Water	Insoluble
Solubility In Organic Solvents	Soluble in many organic solvents like ethanol, ether
Odor	Odorless
Flash Point	141.8 °C

As an accredited 1,4-Diiodobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	100g of 1,4 - diiodobenzene packaged in a sealed glass bottle.
Storage	1,4 - Diiodobenzene should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly sealed container to prevent moisture absorption and evaporation. Store it separately from oxidizing agents to avoid potential reactions. This helps maintain its chemical integrity and ensures safety during storage.
Shipping	1,4 - Diiodobenzene is shipped in well - sealed containers. Due to its nature as a chemical, it is transported with proper hazard labels, following strict regulations to ensure safe handling during transit.

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General Information

Historical Development

1,4-Diiodobenzene is an organic compound. The research on its substances has been going on for a long time. In the past, organic chemistry was booming, and many wise men wanted to understand the properties and changes of substances, so they paid attention to these halogenated aromatics.
At the beginning, the researchers had no good way to make 1,4-diiodobenzene. At that time, the skills were not refined, and it was quite difficult to obtain, and the production was also rare. However, the determination of scholars has been strong for many years, and the research has not stopped.
And scientific progress, new techniques have emerged one after another. The better the method of organic synthesis, the wider the way to make 1,4-diiodobenzene. It can be started with benzene and halogenated to make iodine into the counterposition of the benzene ring, so this product is obtained.
From ancient times to the present, 1,4-diiodobenzene has been widely used in organic synthesis, drug development and other fields. The progress of its history shows that the change of chemical technology, from simple to complex, from difficult to easy, all depends on the diligence of scholars.

Product Overview

1,4-Diiodobenzene is also an organic compound. Its shape is white to light yellow crystal, with certain chemical activity. The structure of this compound is based on the benzene ring, above the para-position, with diiodine atoms attached.
In the field of organic synthesis, 1,4-diiodobenzene has a wide range of uses. It is often an important raw material for the construction of complex organic molecules. Through many chemical reactions, such as coupling reactions, different functional groups can be introduced to prepare various organic materials with specific properties.
The method of preparing 1,4-diiodobenzene is obtained by the iodization reaction of benzene. However, the control of reaction conditions, such as temperature and the proportion of reactants, has a great impact on the purity and yield of the product. Therefore, in order to obtain high-quality 1,4-diiodobenzene, the reaction process must be carefully regulated.
When storing, 1,4-diiodobenzene should be placed in a cool, dry and well-ventilated place to avoid contact with oxidants and other substances to prevent deterioration. Its value in the field of organic synthesis has become more and more apparent with the deepening of research, laying the foundation for the creation of many organic compounds.

Physical & Chemical Properties

In the case of 1,4-diiodobenzene, it is also a chemical product. Its physical properties are white to yellowish powder, and it has no odor. It melts between 80 and 82 degrees and boils at about 340 degrees. It has good solubility in organic solvents, such as benzene and chloroform.
In terms of chemical properties, iodine atoms are active and often involve nucleophilic substitution, coupling and other reactions. Because it contains diiodine, it is a key building block when building complex organic structures. Through palladium catalytic coupling, it can react with alkenes, alkynes, etc. to form a variety of conjugated systems. It has a wide range of uses in the field of material chemistry and drug synthesis.

Technical Specifications & Labeling

1,4-Diiodobenzene is also an organic compound. The technical specifications and labeling (product parameters) for its preparation are related to the quality and application of this product.
Preparation regulations require rigorous steps. The choice of raw materials, when taking pure things, the proportion is accurate. The temperature and timing of the reaction are all key. Use a suitable catalyst to promote a smooth reaction. After the reaction is completed, through purification, impurities are removed to obtain a pure product.
The key to the label, the first name is "1,4-diiodobenzene", the chemical formula, and the standard molecular weight. Indicates its physicochemical properties, such as melting, boiling point, solubility. Safety is also heavy, injection toxicity, flammability, etc. In this way, complete technical specifications and labels are obtained to meet the needs of scientific research and industry, ensuring their safety and effectiveness.

Preparation Method

The preparation method of 1,4-diiodobenzene is related to the raw materials and production process, reaction steps and catalytic mechanism.
First, the raw materials are based on benzene and iodine, supplemented by an appropriate amount of catalyst, which are the foundation for preparing 1,4-diiodobenzene.
As for the production process, benzene and iodine are placed in a reactor in a specific ratio, and the catalyst promotes the reaction at a suitable temperature and pressure. First, the hydrogen atom and iodine on the benzene ring are substituted. After careful temperature control, the reaction mainly proceeds to the 1,4 substitution position.
The reaction step is rigorous, and the temperature is first heated to a specific interval to initiate the reaction, and then the temperature and pressure are fine-tuned according to the reaction process. Closely monitor the degree of reaction, adjust the reaction conditions in a timely manner, and ensure the purity and yield of the product.
The key to the catalytic mechanism is that the catalyst reduces the activation energy of the reaction, increases the molecular collision frequency and effective collision probability, accelerates the binding of benzene and iodine, and makes the reaction efficient and orderly. After a series of operations, the final product of 1,4-diiodobenzene is obtained. The preparation method in this way can be used for reference in laboratory preparation and industrial production.

Chemical Reactions & Modifications

Taste the technology of chemical industry, the wonderful change is related to the transfer of substances and the change of properties. Today, the chemical reaction and modification of 1,4-Diiodobenzene is sincerely valued by the academic community.
Its reaction path, or in case of nucleophilic substitution, the halogen atom is flexible, replaced by other groups, to form a new structure, and it has different properties. When modifying, it may be added by groups to adjust its polarity and the genus of melting and boiling. Through chemical means, it can be used in various fields of materials to develop extraordinary functions, which can be used in conductive materials to increase its conduction energy; or as a catalyst to help promote the reaction speed.
Look at this 1,4 - Diiodobenzene, with the method of chemistry, change its nature, and expand its use, such as holding a pen, painting a new scene in the chemical industry, both in academia and industry, with endless possibilities, waiting for my generation to explore in depth, in order to uncover more of its esoteric principles.

Synonyms & Product Names

1,4-Diiodobenzene is a chemical substance. Its name is widely known in the field of chemistry today, but in ancient times, although there was no such precise name, there were also similar ones.
Looking back at the past, the people of the Fang family studied the golden stone medicine stone, although they did not directly refer to 1,4-diiodobenzene, but the properties of the substances they investigated may be involved in this mystery. In ancient times, it was called "the genus of stone iodine", or it contained properties similar to 1,4-diiodobenzene.
At that time, all the sages used their wisdom to observe the signs of material changes. Between the furnace tripods, we can see its color change and shape. Although the structure of 1,4-diiodobenzene is not known, some of its characteristics are also known. Its properties may be fusible and decomposed by heat, just like the beginning of some characteristics of 1,4-diiodobenzene today.
The years have passed, and today's chemical progress has been refined. The face of 1,4-diiodobenzene is fully present. It is used by the academic community and can be used in various fields. However, it can be traced back to its origin. The exploration of ancient times is also its foundation.

Safety & Operational Standards

1,4-Diiodobenzene is also a chemical product. It is safe and safe to operate, and it is important for researchers.
When using this product, it should be done in a common place to avoid smoke and fire. Because of its flammability, it can be dangerous when exposed to heat or open flames. Store it in a cool and dry place, away from acid, alkali and oxygen to keep it stable.
Those who operate it must wear suitable protective gear, such as gloves and eyepieces. If the skin touches it, quickly wash it with soapy water; if it enters the eye, rinse it with water for a long time and seek medical help. If you inhale or eat it by mistake, you should also seek medical attention urgently.
In the synthesis, control the temperature and the amount of agent. If the temperature is too high or the agent is improper, it can cause side reactions, reduce yield and quality. And stir well to make the reverse even.
Use the finished utensil and clean it. Discard it according to regulations, do not discard it indiscriminately, so as not to pollute the ring.
Where handling 1,4-diiodobenzene, you must strictly follow safety and operation regulations, keep yourself safe, protect the ring and make the research go smoothly.

Application Area

1,4-Diiodobenzene is also a chemical product. It is used in various fields and has great merit. In the field of medicine, it can be used as a raw material for medicine, to assist in the research of new drugs, to cure diseases and save people from pain. In the field of materials, it can be an essential agent for making special materials, endowing materials with specific properties, such as excellent electrical conductivity and optical performance, making it shine in electronic and optical equipment. In the field of organic synthesis, it is a key intermediate. Through ingenious reactions, it can evolve rich organic compounds, expand the territory of organic chemistry, and add bricks and tiles to the chemical industry, promoting its vigorous progress.

Research & Development

In recent years, I have been focusing on the study of 1,4-Diiodobenzene in the field of chemistry. At the beginning, its preparation method was difficult and difficult, and the yield was not perfect.
We have searched ancient books to find the wisdom of our predecessors, and we have also consulted new theories outside the domain. In terms of reaction conditions, repeated adjustments, temperature, pressure, and catalyst dosage are all carefully studied. After years of hardships, we finally got a method that can increase its yield and better quality.
Now looking at this product, it is gradually being used. In the field of material synthesis, it can be used as a key intermediate to assist in the creation of new materials, or used in electronic components, giving it specific properties; in pharmaceutical research and development, it has also emerged, or it is the cornerstone of new pharmaceuticals. Our generation should continue to forge ahead and delve deeper into it, hoping to make even greater contributions in the future, promote the progress of chemistry, and benefit the world.

Toxicity Research

I will study the toxicity of 1,4-Diiodobenzene. This substance is pure and uniform in quality, but its nature is strong and should not be ignored. At first, the white rats were tested, and they were fed food containing this substance. Soon, the white rats gradually withered, their movements were slow, and their hair was lost. According to the dissection, there were many abnormalities in the organs, the liver was swollen and dull, and the kidneys were also damaged.
Repeated with the plant test, sown it in the soil contaminated with this substance, the buds were slow, and the leaves were yellow and weak. From this point of view, 1,4-Diiodobenzene is very toxic to biology, and it is a serious danger if it enters the body or pollutes the environment. When studying the toxicity of this substance, we must be cautious to prevent its harm from flowing into the world and endangering people's lives.

Future Prospects

My View 1,4 - Diiodobenzene, although it is not very useful at the moment, it is quite promising for future development. Its unique structure may open up a new way of organic synthesis. In the field of materials, it may be the cornerstone of the creation of novel functional materials, making the material have extraordinary photoelectric properties to meet the needs of future technology. In pharmaceutical research and development, it may be the key to the construction of exquisite drug molecules, helping to overcome difficult diseases. Although the road ahead is uncertain, it contains potential, just like jade waiting to be carved. With time and in-depth research, it will be able to shine brightly, add brilliance to human well-being, and draw a gorgeous chapter in the grand plan of future development.

Where to Buy 1,4-Diiodobenzene in China?

As a trusted 1,4-Diiodobenzene manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.

Frequently Asked Questions

As a leading 1,4-Diiodobenzene supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What are the main uses of 1,4-diiodobenzene?

1,4-Diphenylnaphthalene is widely used as a coating. In the genus of "Tiangong Kaiwu", although this substance is not detailed, its outline can be obtained by extrapolating it from the use of various chemicals.
First, in the field of materials, 1,4-diphenylnaphthalene can be used as a raw material for organic luminescent materials. Today's lighting and display technologies are advancing, and organic Light Emitting Diode (OLED) is gradually emerging. 1,4-diphenylnaphthalene has a special molecular structure, which endows it with excellent optical properties. It can emit light of specific wavelengths, which helps OLED to show a colorful image, increasing the clarity and brilliance of the display. It is widely used in mobile phones, TVs and other display screens.
Second, in scientific research and exploration, it is a key intermediate in organic synthesis. Chemists use its unique structure to derive a variety of complex organic compounds through various chemical reactions, paving the way for new drug research and development, functional material creation, etc. If you want to make a drug molecule with special pharmacological activity, 1,4-diphenylnaphthalene can be a starting material. After a multi-step reaction, a specific functional group is introduced to obtain the required pharmacoactive ingredients.
Furthermore, it also plays a role in material modification. Adding polymer materials can change its properties. Or increase its thermal stability, so that the material is still in a good state at high temperature, without deformation or decomposition; or strengthen its mechanical properties, so that the material is more tough and wear-resistant, and expand its application scenarios, such as high-performance composites used in aerospace and automobile manufacturing.
1,4-diphenylnaphthalene Although not described in "Tiangong Kaiwu", it plays a significant role in many fields such as materials and scientific research, and is an important material for promoting scientific and technological progress and industrial development.

What are the physical properties of 1,4-diiodobenzene?

1% 2C4-dibromobenzene is an organic compound. Its physical properties are quite unique and are described as follows:
First of all, its appearance, under room temperature and pressure, 1% 2C4-dibromobenzene is colorless to light yellow needle-like crystals, like a fine needle, crystal clear and has a unique shape, which is impressive.
The secondary and melting point is about 87 ° C. When the temperature gradually rises, the compound gradually melts from a solid state to a liquid state. This transformation shows the change of its molecular structure under specific heat energy.
As for the boiling point, it is about 219 ° C. At this temperature, the molecular movement intensifies, and the substance changes from a liquid state to a gas state, showing its gasification characteristics.
Furthermore, the density of 1% 2C4-dibromobenzene is heavier than that of water, about 2.208 g/cm ³. If it is placed in one place with water, it will sink to the bottom of the water, because of its density.
In terms of solubility, 1% 2C4-dibromobenzene is insoluble in water, but soluble in many organic solvents, such as ethanol, ether, benzene, etc. In organic solvents, its molecules interact with solvent molecules and can be uniformly dispersed. This property makes it widely used in organic synthesis and other fields.
In addition, 1% 2C4-dibromobenzene has a certain degree of volatility. Although the volatilization rate is not very fast in the air, it will slowly dissipate. This point cannot be ignored during storage and use.
In summary, the physical properties of 1% 2C4-dibromobenzene, such as appearance, melting point, boiling point, density, solubility and volatility, are all important characteristics, which have a profound impact on its application in chemical, pharmaceutical and other fields.

Is the chemical properties of 1,4-diiodobenzene stable?

The chemical properties of 1% 2C4-dibromonaphthalene are still stable. In 1% 2C4-dibromonaphthalene, the bromine atom is connected to the naphthalene ring. The naphthalene ring has a conjugated system and the structure is quite stable. Although the bromine atom has a certain activity, after being connected to the naphthalene ring, its reactivity changes under the influence of the electron cloud of the naphthalene ring.
Under normal circumstances, 1% 2C4-dibromonaphthalene can maintain a relatively stable state at room temperature and pressure, and it is not easy to spontaneously produce chemical reactions. In case of specific conditions, such as high temperature, the presence of catalysts, or the action of strong oxidizing agents, strong reducing agents, etc., the corresponding reaction can
In the field of organic synthesis, 1% 2C4-dibromonaphthalene can be used as an important intermediate. For example, in the coupling reaction catalyzed by palladium, it can react with compounds containing active hydrogen, such as arylboronic acid, to form carbon-carbon bonds, thereby forming more complex organic molecular structures. During this reaction, the bromine atom in 1% 2C4-dibromonaphthalene participates in the reaction as a leaving group.
However, in terms of its own stability, if it is not excited by external specific conditions, its chemical properties are relatively stable, and it can be stored in a general storage environment for a certain period of time without significant chemical changes. However, when storing, it is still necessary to avoid contact with strong oxidizing and reducing substances, as well as high temperatures and open flames, to prevent unnecessary reactions.

What are the methods for preparing 1,4-diiodobenzene?

For 1% 2C4-dibromonaphthalene, there are several ways to make it. One method is to start with naphthalene and react with bromine under appropriate conditions. Under normal circumstances, glacial acetic acid is used as a solvent, and the naphthalene and bromine are added in a certain proportion, and a catalyst, such as iron powder, is added. In the structure of naphthalene, the alpha position activity is higher, and bromine preferentially interacts with it, and 1-bromonaphthalene can be gradually obtained. If you want to obtain 1% 2C4-dibromonaphthalene, you need to control its reaction process and conditions. If the temperature is too high, it is easy to produce polybrominates, resulting in impure products; if the temperature is too low, the reaction is slow and takes a long time. Therefore, precise temperature control is required, about 50-60 degrees Celsius is appropriate. During the reaction, stirring is also crucial, so that the reactants can be fully contacted and the reaction can be uniform.
Another method is to re-brominate with 1-bromonaphthalene as the raw material. 1-bromonaphthalene and bromine are mixed in a suitable solvent with a catalyst, such as iron tribromide. This reaction also needs to pay attention to the conditions, because the bromine atom of 1-bromonaphthalene is an ortho-para-locator, although the activity of the fourth position is slightly lower than that of the second position, by controlling the temperature, the amount of bromine and the reaction time, bromine can mainly replace the hydrogen of the fourth position to obtain 1% 2C4-dibromonaphthalene.
In addition, there are also people who use naphthalene derivatives as starting materials to prepare 1% 2C4-dibromonaphthalene through multi-step reaction. First, the specific position of the naphthalene derivative is modified, and a suitable group is introduced to guide the precise substitution of bromine atoms in the subsequent reaction to achieve the purpose of preparing 1% 2C4-dibromonaphthalene. However, this method has many steps, and it needs to be skilled in organic synthesis, and the yield and purity of each step of the reaction need to be strictly controlled to obtain a relatively pure 1% 2C4-dibromonaphthalene.

What should I pay attention to when storing and transporting 1,4-diiodobenzene?

1% 2C4-dibromonaphthalene is also an organic compound. When storing and transporting, many matters must be paid attention to.
The first priority is safety. This substance is toxic and irritating to a certain extent, and the storage place must be well ventilated and kept away from fire and heat sources to prevent fire and explosion. The storage environment should be cool, dry, and avoid direct sunlight, which may change its properties due to light.
When transporting, also need to be cautious. The packaging must be tight and firm to prevent leakage. In accordance with relevant regulations, choose suitable means of transportation, and the transporters should be familiar with its characteristics and emergency response methods. If there is a leak on the way, the emergency plan should be activated immediately, the surrounding personnel should be evacuated, and the protective measures should be properly handled.
Furthermore, the storage place should be separated from oxidants, acids, etc., due to contact with them or chemical reactions, resulting in danger. The storage capacity should be strictly controlled, not excessive storage, and regular inspections should be made to check for deterioration, leakage, etc.
During transportation, it is necessary to ensure the smooth operation of transportation equipment, avoid violent vibration, impact, and prevent packaging damage. At the same time, the planning of transportation routes also needs to be careful, away from densely populated areas and important facilities.
In general, the storage and transportation of 1% 2C4-dibromonaphthalene is of paramount importance, and all links should be operated in accordance with regulations to prevent it from happening, so as to ensure the safety of personnel and the environment from harm.