Aluminum Trisodium Hexafluoride

Duxiu Chemical

Specifications

HS Code	544908
Chemical Formula	Na3AlF6
Molar Mass	209.94 g/mol
Appearance	colorless to white solid
Density	2.95 g/cm³
Melting Point	1009 °C
Boiling Point	1275 °C
Solubility In Water	insoluble
Crystal Structure	cubic
Refractive Index	1.338
Odor	odorless
Chemical Formula	Na3AlF6
Molar Mass	209.94 g/mol
Appearance	colorless to white crystals
Density	2.95 g/cm³
Melting Point	1009 °C
Boiling Point	1275 °C
Solubility In Water	insoluble
Odor	odorless
Ph Aqueous Solution	neutral
Crystal Structure	cubic
Refractive Index	1.338
Thermal Conductivity	0.029 W/(m·K)

As an accredited Aluminum Trisodium Hexafluoride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	50 - kg bags of Aluminum Trisodium Hexafluoride, well - sealed for chemical protection.
Storage	Aluminum trisodium hexafluoride, also known as cryolite, should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat and ignition. Store in tightly - sealed containers to prevent moisture absorption and contamination. Avoid storing near reactive substances as it may react under certain conditions. This helps maintain its chemical integrity and safety.
Shipping	Aluminum Trisodium Hexafluoride is shipped in sealed containers to prevent moisture and contamination. It's transported with care, following strict chemical shipping regulations due to its nature.

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General Information

Historical Development

I have heard of Aluminum Trisodium Hexafluoride, its name is Aluminum Trisodium Hexafluoride, which is widely used in industry. In the past, the research of this compound has gone through hardships. At the beginning, people did not know its nature, but after the unremitting study of various sages, its characteristics gradually became clear.
Early years ago, when mineralists were exploring, they occasionally found signs of this thing. Chemists did their best to analyze its composition, and they came to know that it is a wonderful combination of sodium, aluminum, and fluorine. At the beginning of the extraction method was not good, and the output was very small. After several generations of improvement, the process became more and more refined, and the output increased.
From ancient times to the present, Aluminum Trisodium Hexafluoride has been used in metallurgy, and its effect is outstanding. It helps metal melting and improves its purity. The road of its development has witnessed the wisdom and perseverance of various sages. In today's industry, its status is respected, and it will surely show more unique uses in the future.

Product Overview

"Description of Sodium Aluminium Fluorate"
Sodium aluminium fluorate, its scientific name is Aluminum Trisodium Hexafluoride. This material is a white crystalline powder with stable properties. It is often used in the field of metallurgy and plays a key role in the aluminum smelting process. As a flux for aluminum smelting, it can effectively reduce the melting point of alumina, greatly reduce the energy consumption of the aluminum smelting process, and improve production efficiency.
Its preparation method is obtained by a specific chemical process, using raw materials containing aluminum, sodium and fluorine, according to the precise ratio, through reaction, purification and other processes.
Looking at its characteristics, the chemical properties are relatively stable, and it is not easy to react violently with other substances under normal temperature and pressure. However, in case of strong acid and alkali, there may be changes. And because of its extraordinary role in the aluminum smelting industry and the benefits of industrial production, it is very important to chemical and metallurgical practitioners.

Physical & Chemical Properties

Aluminum Trisodium Hexafluoride, commonly known as cryolite, is very important in the field of industry, especially in the aluminum smelting industry.
Looking at its physical properties, under room temperature, it is white crystalline. If you look closely, the crystal shape is regular and lustrous. The quality is quite hard, but it is brittle and fragile. Its density is moderate, about 2.9 grams per cubic centimeter, and the melting point is quite high, nearly one thousand degrees Celsius. This property makes it stable but not melted in high temperature furnaces, making it a good aid for aluminum smelting.
When it comes to chemical properties, its chemical properties are still stable, and it is difficult to react with various substances under ordinary conditions. In case of strong acid, it can gradually dissolve and release fluoride ions. In the reaction system of aluminum smelting, it can reduce the melting point of aluminum oxide, reduce energy consumption, and promote the precipitation of aluminum, which greatly benefits the efficiency and quality of aluminum smelting. This is due to the unique physical and chemical properties of Aluminum Trisodium Hexafluoride.

Technical Specifications & Labeling

"Technical Specifications and Labeling (Product Parameters) of Sodium Aluminum Trisodium Hexafluoride"
Sodium Aluminum Trisodium Hexafluoride (Aluminum Trisodium Hexafluoride) is very useful in the field of industry. Its technical regulations, the first choice of raw materials. Pure aluminum, sodium and fluoride, according to the precise ratio, blend into one. After high temperature calcination, control its heat, observe its color changes, and wait for its uniform and translucent, you can get a good product.
As for the logo (product parameters), the appearance is often white crystalline, with uniform particle size. The purity should reach 90% to 50% or more, with trace impurities. The moisture content should not exceed one percent. This is all about its quality and the effectiveness of industrial applications. Workers follow this procedure and strictly check the identification parameters to obtain high-quality sodium aluminum fluorate to meet the needs of various industries.

Preparation Method

To make Aluminum Trisodium Hexafluoride, the raw materials and production process are the key. The raw materials are often pure aluminum sources, sodium sources and fluorine sources. For example, aluminum hydroxide is used as the aluminum source, sodium carbonate is the sodium source, and hydrofluoric acid is the fluorine source.
The first reaction step in the production process. Mix aluminum hydroxide and hydrofluoric acid in a specific ratio to slowly react to form an intermediate product. Then add sodium carbonate and continue to stir to promote its full reaction. This process requires precise temperature control and time control to ensure complete reaction.
Furthermore, the activation mechanism cannot be ignored. The product is initially formed, or the activity is insufficient, and special treatment is required. For example, heat calcination, optimize the crystal structure of the product and improve its performance. In this way, high-quality sodium aluminum fluoride products can be obtained.

Chemical Reactions & Modifications

Aluminum Trisodium Hexafluoride, which is sodium hexafluorate, is commonly known as cryolite. This compound has a wide range of uses in metallurgy and is often used as a flux for aluminum smelting.
Its chemical properties are related to many reactions and modifications. In high temperature environments, cryolite will react with alumina. This reaction can effectively reduce the melting point of alumina and greatly improve the efficiency of aluminum smelting. The reaction formula is roughly: $nAl_2O_3 + mNa_3AlF_6\ stackrel {high temperature} {\ longrightarrow} $ (the product involves aluminum elements and other compounds).
In order to improve its properties, specific additives are often added. This can optimize the dissolution rate and stability of cryolite. After modification, cryolite can better meet the process requirements, reduce energy consumption, and improve the purity of aluminum during the aluminum refining process, which is of great significance to industrial production.

Synonyms & Product Names

Today there is a thing called Aluminum Trisodium Hexafluoride. This thing is used in various industrial things and has a wide range of uses. Its synonymous names are also numerous.
Or ice crystals, this name has been known for a long time, and everyone is familiar with it. Ice crystals are white or light in color, like crystals, crystal clear and light. Its quality is hard, and in the metallurgical industry, it is a treasure for melting.
It is also called sodium fluoroaluminate, which is named after its chemical properties. It is called because it contains fluorine, aluminum, and sodium elements. In the art of aluminum smelting, it is very beneficial, which can reduce the melting point of aluminum and save energy and energy.
This Aluminum Trisodium Hexafluoride, although the name is different, is the same thing. Its contribution to industry cannot be underestimated, and it is still an important chemical raw material in this world.

Safety & Operational Standards

"Safety and Operation Code for Aluminum Trisodium Hexafluoride"
Aluminum Trisodium Hexafluoride, that is, sodium hexafluoroaluminate, commonly known as cryolite, is widely used in our chemical research field. However, its safety and operation standards are the top priority and cannot be ignored.
When it comes to safety, this substance has certain toxicity. If inhaled inadvertently, it may cause respiratory discomfort and even cause serious diseases. Therefore, during operation, it is necessary to ensure good ventilation, and it is appropriate to equip effective ventilation equipment to expel volatile gas. If it comes into contact with the skin, it should be rinsed with a lot of water immediately. If there is any discomfort, seek medical treatment immediately.
As for the operation specifications, when using clean and dry utensils, beware of impurities mixing in and affecting its quality. The weighing needs to be accurate, and according to the experimental requirements, it should be measured with a precise balance. Storage also needs to be paid attention to, and it should be placed in a dry and cool place, away from fire sources and oxidants, because of specific conditions or dangerous reactions.
Furthermore, after the experiment is completed, the remaining Aluminum Trisodium Hexafluoride cannot be discarded at will, and should be properly disposed of according to regulations to prevent environmental pollution. Clean the utensils used to ensure that there is no residue, so as not to affect the follow-up experiment.
In short, in the use of Aluminum Trisodium Hexafluoride, strictly observe safety and operating standards, so as to ensure the smooth experiment, protect the well-being of personnel, and maintain the cleanliness of the environment.

Application Area

Aluminum Trisodium Hexafluoride is a chemical product, and its use is also important. In the field of metallurgy, it is often used to help melt. Of course, adding this product can reduce the melting cost of the product, make the smelting easy, and can save energy consumption.
It is also useful for ceramics. It can improve the properties of ceramic billets, increase their durability and refractory ability, and make ceramic products more refined.
Furthermore, this product is also indispensable for glass manufacturing. It can help the glass to clarify and remove its appearance, making the glass more transparent and uniform, and improving the quality of glass. All of this is necessary for the use of Aluminum Trisodium Hexafluoride in multiple fields.

Research & Development

The quality of Aluminum Trisodium Hexafluoride (Aluminum Trisodium Hexafluoride) has been studied for a long time. This agent is used in metallurgy and has considerable functions.
The beginning is also the beginning, and the research is made. At the beginning, the method was still simple, but the effect was not good, and the production was also small. The craftsmen and researchers have been thinking hard and trying all kinds of methods. Or adjust the matching of its raw materials, or change the temperature and order of its production. After years of work, the method is gradually refined, and the production is also increased.
Next, study its properties. Melting in fire, it flows like liquid gold, which can help melt other ores and remove their debris. It is an indispensable agent in the aluminum smelting industry. Make the quality of aluminum purer and more productive.
Today, this industry is thriving. Researchers are still unremitting, seeking new ways to improve their products, exploring new uses and expanding their fields. Looking forward to the future, the industry of sodium aluminum fluoride, like the sun rising, bright and prosperous.

Toxicity Research

Those who taste and study poisons must scrutinize their properties and examine their harm. In today's words, Aluminum Trisodium Hexafluoride, the study of its toxicity is crucial.
Examine this substance in detail, in the experiment, observe its effect on various substances. Take the white rat as an experiment, feed it with food containing this substance, and within a few tens of days, the white rat gradually developed a different state. Slow movement, loss of hair, and signs of damage to the viscera.
Also observe it in the environment, if it is scattered in water and soil, the growth of vegetation is inhibited by it. The leaf color is wilted and the growth is sluggish. Because this substance enters the body, or disturbs the order of biochemistry, it can disrupt the viscera.
The depth of the toxicity still needs to be investigated in detail. Not only in the biological body, but also in the long-term environment, it is necessary to study carefully in order to know the whole picture, so as to avoid its harm, ensure the well-being of the public, and protect the tranquility of the environment.

Future Prospects

Today, there is a product called Aluminum Trisodium Hexafluoride, which is a chemical product. Looking at its current situation, although it has been useful, our generation of chemical researchers still have high hopes for its future development.
This product has unique characteristics and has emerged in many fields. However, with the development of science and technology, we should think about making progress and explore more potential. In the future, we may be able to improve its performance in the field of material strengthening, adding to the manufacturing of equipment. Or in the world of energy storage, find new ways to help the development of new energy.
Furthermore, its preparation process also has room for refinement. It is hoped that the future can simplify the process, reduce costs and increase efficiency, so that this product can be more widely used. Our chemical industry personnel, when diligently researching, will make Aluminum Trisodium Hexafluoride shine in the future, seek well-being for the world, and contribute to the progress of science and technology.

Historical Development

Taste the wonders of the world, there is Aluminum Trisodium Hexafluoride. Its prosperity has been around for a long time. The ancient craftsmen did not know its details at the beginning, but only in the matter of smelting and casting. Occasionally, they encountered it, but they did not know its quality.
Catch up with later generations, and the research of scholars becomes more and more profound. Observe its nature and know its effect in the industry of smelting aluminum. In the past, smelting aluminum was difficult and abnormal, and the cost was quite huge. Since Aluminum Trisodium Hexafluoride has been used, the smelting of aluminum has made it easier to see. Energy consumption has dropped sharply, and production efficiency has increased greatly.
Therefore, this product has gradually become more and more important to the worker, and its technique has also spread more and more widely. With the passage of time and the increasing technology, Aluminum Trisodium Hexafluoride has become more and more crucial in the industrial position, contributing to the progress of the world and making great achievements.

Product Overview

"Aluminum Trisodium Hexafluoride Product Overview"
Aluminum cryolite is also a chemical substance. Its color is white or light gray, like a fine powder, and the texture is uniform. This is an indispensable flux in the aluminum smelting industry. In the aluminum smelting process, it can reduce the melting point of aluminum oxide, reduce energy consumption, and improve the purity and yield of aluminum.
Its preparation method is mostly made of hydrofluoric acid, aluminum hydroxide and soda ash, etc. It is obtained by serialization. This product is stable in nature and is not easy to react with various substances at room temperature and pressure. When it encounters strong acid, hydrogen fluoride gas can be precipitated.
In the industrial field, its use is quite wide. In addition to aluminum smelting, ceramics, glass and other industries are also often used to help adjust product performance. And because of its environmental protection characteristics, it is increasingly favored by the industry and has broad prospects in the chemical industry.

Physical & Chemical Properties

"On the Physical and Chemical Properties of Cryolite (Aluminum Trisodium Hexafluoride) "
Cryolite, its white color or light gray, light yellow shape, brittle and hard. Its melting point is quite high, about a thousand Baidu, this characteristic is particularly critical in the field of metallurgy.
From the perspective of chemical properties, cryolite has a certain stability, and it is difficult to react with many substances under normal temperature and pressure. However, in the high temperature molten state, it can exhibit unique chemical activity.
In the electrolytic aluminum industry, cryolite is an indispensable flux. Because it can greatly reduce the melting point of alumina, the energy consumption of the electrolysis process is greatly reduced. The presence of cryolite can optimize the conductivity of the electrolyte and make the electrolysis reaction proceed more efficiently. Its density is moderate, and it can maintain a good phase distribution in the electrolyte system, laying the foundation for the efficient extraction of aluminum.

Technical Specifications & Labeling

"Technical Specifications and Labeling of Sodium Aluminum Fluorate (Commodity Parameters) "
In this sentence, the technical specifications of sodium aluminum fluorate (Aluminum Trisodium Hexafluoride) are the key. Its color should be pure, and the texture should be uniform. In terms of its purity, it should reach a very high standard, and the impurities must be minimal. The particle size distribution is also fixed, and the thickness should be moderate in order to be effective in various uses.
In terms of labeling, the product parameters must be clear. On the packaging, the product name, content, origin and other information should be accurate and legible. This is to enable users to determine its characteristics and sources, so as to be suitable for different needs. Technical specifications and logos complement each other to ensure the quality of sodium aluminum fluorate and are fundamental to its circulation in the market.

Preparation Method

To prepare Aluminum Trisodium Hexafluoride, the method is as follows:
In terms of raw materials, an appropriate amount of aluminum source, sodium source and fluorine source should be prepared. The aluminum source can be selected from pure bauxite. The sodium source is preferably sodium salt, and the fluorine source is hydrogen fluoride gas or hydrofluoric acid.
In the production process, the aluminum source is first co-dissolved with an appropriate amount of alkali to obtain an aluminate solution. Then, at a specific temperature and under stirring, slowly add fluorine-containing raw materials to fully react to generate fluoroaluminate ions. Then, add a sodium source to adjust the pH and temperature of the reaction system to promote the precipitation of sodium aluminum fluoride.
The reaction steps are crucial, and the temperature, time and proportion of reactants in each step of the reaction need to be precisely controlled. After the precipitation is complete, impurities are removed through filtration, washing, drying and other processes to obtain pure sodium aluminum fluoride products.
In addition, in order to ensure product quality, a sound monitoring mechanism needs to be built, and each step of the reaction and product indicators need to be tested in detail to ensure a stable and efficient production process.

Chemical Reactions & Modifications

Aluminum Trisodium Hexafluoride is also a chemical substance. Its modification and modification are related to many uses.
The view of its chemical reaction, in the aluminum smelting industry, is a melting agent. It can reduce the melting point of aluminum oxide, promote its melting, and make the extraction of aluminum smoother. This is because Aluminum Trisodium Hexafluoride can interact with aluminum oxide, change its chemical properties, and form a fusible system.
On its modification, it can increase its thermal stability and wear resistance through special treatment. In the field of materials, this modification can be expanded. For example, in ceramics, adding can adjust the quality of ceramics to make it stronger and more beautiful.
In summary, the transformation and modification of Aluminum Trisodium Hexafluoride is the basis for its use in industrial and material display ads, and it is also an important problem for chemical researchers to continuously explore new paths.

Synonyms & Product Names

Sodium aluminate, its scientific name is Aluminum Trisodium Hexafluoride. There are many other names, such as cryolite, which is a commonly used synonym. Its trade names are also different and are widely known in the industry. Cryolite-like crystals, often white or gray in color, with light red and light brown in between.
It has a wide range of industrial uses, especially in the aluminum smelting industry. It can reduce the melting point of alumina, reduce energy consumption, and improve the efficiency of aluminum smelting. It is also used in glass and ceramic industries, as a flux, etc., with significant effect. Due to its important industrial value, the name of cryolite is well-known in the chemical industry. The scientific name of Aluminum Trisodium Hexafluoride is also well-known to practitioners. Synonyms and trade names are shared in the industry, contributing to industrial development.

Safety & Operational Standards

Aluminum Trisodium Hexafluoride is also used for the purpose of work. However, it is safe to operate and should not be observed carelessly.
This physical property is very special and poses a certain danger. In the event of an open flame, it is advisable to reduce the dryness of the universe and pass the air, and to prevent the source of fire and heat. In case of a high temperature or open flame, it may cause an accident and cause danger.
The operation of the air must comply with specific regulations. Those who work together should take appropriate precautions, such as protective clothing, gloves, eyes, etc., to prevent this object from contacting the skin and eyes, so as to avoid damage. If it is accidentally connected, it is advisable to wash it with a lot of water and seek medical treatment.
Furthermore, in the process of use, it is necessary to pay attention to the good environment and avoid the powder from spreading in the air. If the amount of inhalation, or the respiratory system. After the operation, properly clean the air and do not leave it behind.
In addition, it is also necessary to follow the relevant methods to ensure its stability, avoid collisions and bumps, and ensure the safety of the road. In addition, the safe operation of Aluminum Trisodium Hexafluoride is required. In order to avoid problems and make work and life orderly.

Application Area

Aluminum Trisodium Hexafluoride has a wide range of uses. In the field of metallurgy, it is often used as a melting agent for aluminum smelting. It can reduce the melting point of aluminum oxide, reduce energy consumption, promote smooth aluminum smelting, and improve its quality and quantity.
In the ceramic industry, it is also useful. Adjust the melting point, viscosity and fluidity of the glaze to make the glaze smooth and bright, and increase the beauty and quality of ceramics.
Glass manufacturing also depends on it. It can be used as a clarifying agent, an opacifier, to remove glass bubbles and make them uniform and pure; or to cause glass opacification and increase its decorative properties.
This substance has a variety of uses and is important in various industrial fields, assisting production and promoting the progress of the industry.

Research & Development

In the field of chemical industry, there is a thing called Aluminum Trisodium Hexafluoride, which is very different in nature and is valued by researchers. My generation has been researching it for years, and its characteristics, production methods, and applications have all been painstakingly studied.
At the beginning, it took a lot of effort to clarify its properties and analyze its structure. After repeated tests, it was known that it can help melt metals under high temperatures, and it has a significant effect in the metallurgical industry.
As for the production method, there are also many exquisite studies. Try various paths, or extract natural minerals and refine them; or synthesize them chemically, striving for purity. Every step is done cautiously, lest there is a mistake.
Look at its application, especially in the aluminum industry. It can reduce the temperature of aluminum melting, reduce energy consumption, and improve efficiency. And in other industries, it also gradually develops its growth.
We should continue to study and explore more wonders of it. We hope that this substance will have greater benefits in the progress of industry and the rise of science and technology, and create a new situation for future generations.

Toxicity Research

To taste and hear the nature of all things is related to the safety of people's livelihood, and to study the nature of poisons is of the utmost importance. Today, Aluminum Trisodium Hexafluoride, the poison of its nature, needs to be investigated in depth.
Looking at the past, I have not heard of this thing, but it began to appear in various industries in recent times. It is widely used in the industry of aluminum smelting, but its poison is hidden and difficult to detect. At first, people did not realize its harm, but later those who gradually became sick found out that it was toxic.
After various tests, this Aluminum Trisodium Hexafluoride can enter the body and damage the organs, especially the liver and kidneys. Or through breathing, or through diet, quietly enter the body. And it accumulates in the body and is difficult to eliminate, and it takes a long time, and the disease occurs.
Therefore, the study of its toxicity cannot be slowed down. When we carefully investigate the path of its entry into the body, find a solution, and protect the well-being of everyone, this is the heavy responsibility of our generation of chemical researchers.

Future Prospects

Now looking at this Aluminum Trisodium Hexafluoride, its industrial use is quite critical. Although there are certain achievements now, our generation of chemical researchers should look to the future.
We hope that in the future, the production of this product will become more sophisticated, energy consumption will be reduced, output energy will be increased, and the impact on the ring will be minimized. Or new technologies and new methods can be used to make this agent more effective in aluminum smelting and other industries, adding to the progress of the industry and the prosperity of the world. I also hope that its application field will be expanded, and it will emerge in the fields of new material research and development, paving the way for the future industrial scene. In this way, we can live up to our generation's vision for the future, and make this product shine in the unfinished business.

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Frequently Asked Questions

As a leading Aluminum Trisodium Hexafluoride 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 Aluminum Trisodium Hexafluoride?

Aluminum (Aluminum) and sodium hexafluoride (Trisodium Hexafluoride, commonly known as cryolite) are mainly used in the smelting of aluminum.
In the smelting of aluminum, cryolite plays a crucial role. In the field of metallurgy, cryolite is a flux. The melting point of alumina extracted from bauxite is extremely high, about 2,000 degrees. If only alumina is used as raw material for direct melting and electrolysis, the energy required is huge and difficult to achieve. However, the appearance of cryolite solves this problem. The melting point of cryolite is low, about 1,000 degrees, and it can form a eutectic system with alumina. The melting temperature of alumina can be greatly reduced by dissolving alumina into the cryolite melt. Usually, the melting of alumina can be achieved at about 1,000 degrees.
In this way, in the electrolysis process, the molten alumina-cryolite mixed system is used as the electrolyte, and direct current is applied in the electrolytic cell. Oxygen ions at the anode lose electrons to generate oxygen and escape, and aluminum ions at the cathode obtain electrons to precipitate metal aluminum. This process greatly reduces the energy consumption of aluminum smelting, making large-scale industrial production of aluminum possible. Since the application of cryolite in the aluminum smelting process, the output of aluminum has been greatly increased and the cost has been significantly reduced, so that aluminum can be widely used in many fields, such as construction, transportation, electronics, etc., which has greatly promoted the progress and development of human civilization.

What are the Physical and Chemical Properties of Aluminum Trisodium Hexafluoride

Aluminum (Aluminum) and sodium hexafluoride (Trisodium Hexafluoride, commonly known as cryolite) are both crucial materials in many fields such as metallurgy, and their physical and chemical properties are unique.
Aluminum has a light texture, a silver-white color and a metallic luster, and a soft and malleable texture. Its melting point is about 660.37 ° C, and its boiling point is 2467 ° C. Aluminum has good electrical conductivity, second only to silver, copper and gold, so it is widely used in the field of power transmission. This metal has excellent thermal conductivity and is often used in the manufacture of heat sinks. In addition, aluminum easily reacts with oxygen in the air, forming a dense aluminum oxide film on its surface, which can effectively resist further oxidation and corrosion, making aluminum highly resistant. In terms of chemical activity, aluminum is relatively active and can react with many acids and bases. In case of strong acids, such as hydrochloric acid, it will react violently and release hydrogen; in case of strong bases, such as sodium hydroxide solution, it can also react and produce hydrogen.
Sodium hexafluoroaluminate, usually in the form of a white fine crystalline powder, odorless and tasteless. Its melting point is about 1009 ° C, and the density is 2.95-3.05g/cm ³. This substance is slightly soluble in water, and its aqueous solution is acidic. Sodium hexafluoroaluminate is relatively stable in chemical properties and is not easy to decompose under normal conditions. In industry, it is effective as a flux in the process of aluminum smelting. Due to the extremely high melting point of pure alumina, up to 2050 ° C, direct melting consumes a lot of energy, and after adding sodium hexafluoroaluminate, the melting temperature of alumina can be greatly reduced to 900-950 ° C, which greatly saves energy consumption and improves aluminum smelting efficiency.
In summary, aluminum and sodium hexafluoroaluminate have their own characteristics in physical and chemical properties, and play an indispensable role in industrial production and other fields.

What is the production process of Aluminum Trisodium Hexafluoride?

Aluminum and sodium hexafluoroaluminate (cryolite, $Na_3AlF_6 $) are mainly used in the smelting of aluminum in industry. The production process is as follows:
The method of aluminum smelting is to take bauxite first. This ore contains many impurities, so it needs to be refined first. The bauxite is co-dissolved with caustic soda, and the alumina in the bauxite reacts with caustic soda to form a solution of sodium metaaluminate. Impurities are insoluble and can be removed. After passing carbon dioxide into the solution, sodium metaaluminate is converted into aluminum hydroxide precipitation, filtered and calcined to obtain pure alumina.
As for sodium hexafluoroaluminate, its preparation is also possible. Fluorite ($CaF_2 $) and concentrated sulfuric acid are co-heated to obtain hydrogen fluoride gas. Sodium hexafluoroaluminate can be prepared by the reaction of hydrogen fluoride gas with aluminum hydroxide and sodium carbonate.
After the alumina and sodium hexafluoroaluminate are prepared, the alumina is melted into the molten sodium hexafluoroaluminate. The melting point of the system formed by the two is greatly reduced compared with that of alumina, which saves energy. Carbon is used as an electrode to pass direct current. Above the anode, oxygen ions lose electrons and escape into oxygen, and the carbon electrode reacts with oxygen, so it needs to be replaced regularly. At the cathode, aluminum ions gain electrons and precipitate aluminum liquid. In this way, aluminum metal can be obtained, and after subsequent treatment, it can be used as an aluminum product.

What are the precautions for Aluminum Trisodium Hexafluoride during use?

Aluminum and sodium hexafluorate (that is, cryolite, commonly known as "Trisodium Hexafluoride") are used in metallurgy. There are various matters to pay attention to, and listen to me one by one.
One is related to the control of temperature. The reaction between the two requires a high temperature environment, usually at more than 1,000 degrees. If the temperature is too low, the reaction will be slow, and the output of aluminum will be small; if the temperature is too high, it will not only consume energy, but also cause damage to equipment. Therefore, it is necessary to measure and regulate the temperature accurately to keep it stable in a suitable range, so as to promote the smooth reaction and increase the yield of aluminum.
Second, the proportion of raw materials is crucial. The ratio of aluminum and sodium hexafluoroaluminate should be accurately established according to the reaction principle and practical experience. If the amount of sodium hexafluoroaluminate is small, it is difficult to effectively reduce the melting point of alumina, and the reaction is difficult; if the amount is large, it may increase the cost or affect the quality of aluminum. Therefore, the dosage of the two must be carefully weighed to ensure that the ratio is appropriate.
Third, the selection and protection of equipment should not be ignored. High temperature reactions have strict requirements on the material of the equipment, and it needs to be able to withstand high resistance and corrosion. And during use, the equipment should be regularly repaired to check for damage or leakage. If there is a problem, repair it immediately to avoid affecting production and prevent accidents.
Fourth, it is related to the environment and safety. There may be harmful gases escaping during the reaction, such as fluoride. Therefore, a perfect exhaust gas treatment device must be set up to capture and purify harmful gases to prevent them from polluting the atmosphere. At the same time, the operators should use suitable protective equipment, such as gas masks, fire suits, etc., to ensure their own safety.

What are the advantages of Aluminum Trisodium Hexafluoride compared to other similar products?

The products made of aluminum and sodium hexafluorate (cryolite, that is, Trisodium Hexafluoride) have many advantages over other imitations.
First, the melting point advantage is significant. When cryolite helps aluminum smelting, the melting point of alumina can be greatly reduced, from about 2050 ° C to 900-950 ° C. As a result, the energy consumption is sharply reduced. In ancient smelting, if other substances are used to replace cryolite, to melt aluminum oxide requires a huge amount of char or other fuels, and the effect of cryolite, such as a stroke of genius, can not be underestimated, which is the key to cost savings.
Second, good electrical conductivity. In the process of aluminum electrolysis, cryolite-aluminum oxide melt has good electrical conductivity. Just like a smooth river, the current can pass smoothly, so that the electrolysis reaction can be carried out efficiently. If other similar products are used, or due to poor electrical conductivity, the electrolysis efficiency is low, time-consuming and laborious, and cryolite ensures the high efficiency of aluminum smelting.
Third, strong chemical stability. Cryolite is chemically stable, and it is not easy to react with other substances in the high temperature environment of aluminum smelting. Like a loyal guard, it protects the aluminum smelting process smoothly. Other substitutes may react with substances in the furnace due to their active chemical properties, which affects the purity of aluminum, while cryolite can maintain the purity of aluminum products.
Fourth, the density is appropriate. The density of cryolite melt is lower than that of aluminum liquid. During smelting, the aluminum liquid sinks at the bottom, which is easy to separate and collect. Like oil and water, the layers are distinct. If a substitute with an inappropriate density is used, or the aluminum liquid and flux are indistinguishable, the aluminum extraction will be affected.