Tetraiodo Lambda 4 Tellane
Iodobenzene

Tetraiodo Lambda 4 Tellane

Fengxi Chemical

Specifications

HS Code

749137

Chemical Formula I4Te
Molar Mass 716.32 g/mol
Appearance dark - colored solid
Physical State At Stp solid
Melting Point decomposes before melting
Boiling Point decomposes before boiling
Solubility In Water insoluble
Solubility In Organic Solvents soluble in some non - polar organic solvents
Oxidation State Of Tellurium +4
Name Tetraiodo-λ⁴-tellane
Molecular Formula I4Te
Molar Mass 635.22 g/mol
Appearance Dark - colored solid
Physical State At Room Temp Solid
Solubility In Water Insoluble
Melting Point ~130 - 135 °C
Boiling Point Decomposes before boiling
Density High density
Oxidation State Of Tellurium +4
Chemical Reactivity Reacts with reducing agents
Crystal Structure Complex crystal structure
Name Tetraiodo-λ⁴-tellane
Chemical Formula TeI4
Molar Mass 635.22 g/mol
Appearance Black - brown solid
Melting Point 145 °C (decomposes)
Solubility In Water Reacts with water
Density 5.07 g/cm³
Oxidation State Of Tellurium +4
Crystal Structure Orthorhombic
Vapor Pressure Very low at room temperature
Thermal Conductivity Low
Chemical Formula I4Te
Molar Mass 635.22 g/mol
Appearance Black solid
Melting Point 142 °C
Boiling Point Decomposes
Density 5.08 g/cm³
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in some organic solvents like carbon disulfide
Oxidation State Of Tellurium +4
Crystal Structure Orthorhombic
Stability Stable under normal conditions but decomposes on heating
Packing & Storage
Packing 100g of Tetraiodo - λ⁴ - tellane packaged in a sealed, chemical - resistant vial.
Storage Tetraiodo - λ⁴ - tellane should be stored in a cool, dry place away from heat sources and ignition points. It must be kept in a tightly - sealed container to prevent contact with moisture and air, which could potentially cause decomposition or reaction. Store it separately from incompatible substances like strong oxidizers and bases to ensure safety.
Shipping Tetraiodo - λ⁴ - tellane is a chemical. Shipping requires proper packaging in accordance with hazardous material regulations. It must be labeled clearly, and transported by carriers licensed for such chemicals to ensure safety.
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Tetraiodo Lambda 4 Tellane Tetraiodo Lambda 4 Tellane Tetraiodo Lambda 4 Tellane
General Information
Frequently Asked Questions
What are the chemical properties of Tetraiodo-lambda~ 4~ -tellane?
Tetra iodo - λ⁴ - tellane is a compound containing tellurium. It has unique chemical properties and is of great concern to chemists.
In terms of its physical properties, tellurium tetraiodide is often in a solid state at room temperature. Looking at its color, it is mostly dark. Due to the combination of tellurium and iodine, the electronic structure changes, making it characteristic for light absorption and showing a specific color.
In terms of chemical activity, tellurium tetraiodide can be used as a reactant in certain chemical reactions. When it meets a reducing agent, the oxidation state of tellurium can be reduced. For example, in the case of a strong reducing agent, tellurium may be reduced from + 4 valence to a low-priced state, while iodine ions may emerge free. This is because tellurium has a certain degree of oxidation in high valence states, and is willing to obtain electrons and stabilize.
In addition, tellurium tetraiodide also reacts with nucleophiles. Nucleophiles can attack tellurium atoms, causing iodine atoms to leave, and then form new compounds. This is due to the distribution of electron clouds around tellurium atoms, which can be attacked by nucleophiles in space.
In the hydrolysis reaction, tellurium tetraiodide can change in contact with water. The lone pair of electrons of oxygen in the water molecule can interact with tellurium atoms, causing the iodine-tellurium bond to break, forming tellurium The rate of this hydrolysis reaction depends on conditions such as temperature, pH, etc.
Furthermore, tellurium tetraiodide may also be used in organic synthesis. It can be used as a reagent for introducing tellurium atoms to make organic compounds contain tellurium, thereby changing the properties of organic compounds, such as electrical properties, optical properties, etc., and opening up new avenues for organic synthesis chemistry.
What are the physical properties of Tetraiodo-lambda~ 4~ -tellane?
It is a chemical substance. Its physical properties are particularly important, and it is related to many characteristics and uses of this substance.
First of all, its phase state, at room temperature and pressure, tetraiodide lambdtellurane is often in a solid state. This solid state property makes it easy to store and transport, and it is more stable than gaseous or liquid substances. Looking at its appearance, it is mostly a solid with a certain color, or a certain color. This color property may be used as a basis for preliminary identification.
When it comes to melting point, lambdtellurane tetraiodide has a specific melting point value. When the external temperature rises to the melting point, the substance gradually changes from solid state to liquid state. The melting point is closely related to the intermolecular force. If the intermolecular force is strong, the melting point is high; if it is not, it is low. The melting point value of this substance has a great influence on its morphological changes and applications under different temperature conditions.
Furthermore, the boiling point is also a key physical property. When the temperature reaches the boiling point, the tetraiodide lambda -tellurane changes from liquid to gaseous state. The boiling point reflects the difficulty of the transition from liquid to gaseous state and is also related to the interaction between molecules. By knowing the boiling point, it can be known at what temperature the substance will undergo violent vaporization, which is of great significance in chemical production, experimental operation and other fields.
In terms of solubility, lambda-tellurane tetraiodide behaves differently in different solvents. In some organic solvents, or with certain solubility, it can form a homogeneous and dispersed solution. In water, its solubility may be poor. This solubility property is an important consideration when separating, purifying and preparing related solution systems.
Density is also one of its physical properties. The density of lambda-tellurane tetraiodide is related to its space occupation in a specific environment and its mixed distribution with other substances. The density determines its floating or sinking in liquid systems, and affects the distribution and reaction process of substances in chemical processes and material preparation.
In addition, its crystal structure also belongs to the category of physical properties. The crystal structure determines the arrangement of atoms or molecules in the substance, which in turn affects many macroscopic physical properties, such as hardness and optical properties. Through the study of crystal structure, the physical nature of lambda-tellurane tetraiodide can be deeply understood, laying the foundation for its further application and development.
What are the common uses of Tetraiodo-lambda~ 4~ -tellane?
Tetra iodo - λ⁴ - tellane is a halide of tellurium. Its preparation method is often obtained by directly combining tellurium and iodine. Take an appropriate amount of tellurium powder and iodine, place it in a suitable reaction vessel, heat it, and in an inert gas atmosphere, the two undergo a chemical reaction, and the tellurium atom and the iodine atom combine to form tellurium tetraiodide.
It has a wide range of uses. In the field of chemical research, it is often used as a reagent to explore the relevant chemical reaction mechanism of tellurium, providing evidence for the expansion of chemical theory. In the field of materials science, tellurium tetraiodide can be used as a precursor to prepare tellurium-based functional materials through specific processes, which have potential applications in electronic devices, optical components, etc. In addition, in some catalytic reactions, tellurium tetraiodide may play a unique catalytic role, accelerate the reaction process and improve the reaction efficiency. However, this application still needs to be further explored and optimized.
What is the synthesis of Tetraiodo-lambda~ 4~ -tellane?
The method of preparing tetraiodol-lambda-tellurane is a delicate chemical technique. The method is as follows:
First, tellurium (Te) and iodine (I ³) need to be prepared as raw materials. Tellurium is located at the junction of metals and non-metals in the periodic table of elements, and has unique properties; iodine is a halogen element, which is active and changeable.
Put an appropriate amount of tellurium in a suitable reaction vessel, which must be able to withstand the conditions generated by the reaction, such as corrosion resistance, and can withstand a certain temperature and pressure. Then, iodine is slowly added according to a specific stoichiometric ratio. This ratio is determined by precise chemical calculations and experimental verification, and is related to the reaction effect. The
reaction is usually carried out in an organic solvent. The selected solvent should be able to dissolve the reactants without interfering with the reaction, such as some halogenated hydrocarbon solvents. Under mild heating conditions, the reaction between the two is promoted. The temperature needs to be strictly controlled during heating. If the temperature is too high or side reactions occur, the reaction rate will be delayed if it is too low.
During the reaction process, it is necessary to continuously stir to fully contact the reactants and accelerate the reaction. This stirring operation should be stable at a uniform speed to ensure the uniformity of the reaction system.
As the reaction advances, tellurium interacts with iodine, the electron cloud rearranges, and the chemical bond reconstructs, gradually generating tetraiodol-lambda-tell When the reaction reaches the desired level, specific analytical methods, such as chromatography or spectroscopy, are often used to monitor the end point of the reaction.
After the reaction is completed, the product is separated and purified. This step can be obtained by classical chemical separation methods such as recrystallization and extraction to obtain high-purity tetraiodothane-lambda-tellurane.
In this way, the target product tetraiodothane-lambda-tellurane can be obtained through a series of steps such as raw material preparation, reaction operation, and product separation. This preparation method requires fine operation and strict control to achieve success.
What to pay attention to when storing and transporting Tetraiodo-lambda~ 4~ -tellane
Lambda-tellurium tetraiodide is a chemical substance, and all matters must be paid attention to when storing and transporting it.
When storing, choose the first environment. It should be placed in a cool, dry and well-ventilated place. This is because lambda-tellurane tetraiodide may be quite sensitive to humidity and temperature. If the humidity is too high, it is easy to cause moisture and deterioration; if the temperature is too high, it may cause chemical reactions to occur and damage its quality. Therefore, choosing a suitable storage environment is the top priority.
Furthermore, the storage container must also be considered. Choose a corrosion-resistant material, such as glass or a specific plastic container. Because the tetraiodide lambda-tellurium has a certain chemical activity, if the container is not resistant to corrosion, or reacts with it, the substance is impure, and even causes safety risks.
As for the transportation, the packaging must be stable. To ensure that the container is not damaged due to bumps and vibrations during transportation, and the tetraiodide lambda-tellurium leaks. And when transporting, you should also pay attention to the temperature and humidity of the surrounding environment and try your best to maintain relatively stable conditions. At the same time, transporters must be familiar with the characteristics of the substance and know how to deal with it in the event of an accident. If it leaks, how to properly handle it to prevent the harm from expanding.
All of these must be treated with caution during the storage and transportation of tetraiodide lambda-tellurane, and should not be ignored to ensure a smooth process and no safety concerns.