Tetramethylammonium Hydroxide

Shijie Chemical

Specifications

HS Code	937798
Chemical Formula	C4H13NO
Molar Mass	91.15 g/mol
Appearance	Colorless liquid (usually as an aqueous solution)
Odor	Ammonia - like odor
Solubility In Water	Highly soluble
Ph Aqueous Solution	Basic (high pH values)
Density	~1.00 g/cm³ (aqueous solution, depending on concentration)
Melting Point	68 - 71 °C (anhydrous)
Boiling Point	110 °C (decomposes, aqueous solution)
Hygroscopicity	Highly hygroscopic

Packing & Storage

Packing	500 - gram bottle of Tetramethylammonium Hydroxide with secure, chemical - resistant packaging.
Storage	Tetramethylammonium Hydroxide should be stored in a cool, dry, well - ventilated area, away from heat sources and ignition points. It must be kept in a tightly - sealed container, preferably made of corrosion - resistant materials due to its caustic nature. Store separately from acids and reactive substances to prevent dangerous reactions. Regularly check storage conditions and container integrity.
Shipping	Tetramethylammonium Hydroxide is a hazardous chemical. Shipping requires proper packaging in containers designed for corrosive substances, compliant with regulations, and accompanied by appropriate safety documentation.

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General Information

Historical Development

"The History of Tetramethylammonium Hydroxide"
Tetramethylammonium hydroxide is an essential product of chemistry. It first appeared in the research of Western states. At that time, the sages studied in the field of chemistry and gradually obtained this substance.
At the beginning, the preparation was difficult and the cost was high. It was only a treasure of scholars and was used for subtle experiments. After the age of migration, the process was gradually changed, and the preparation method was improved. Industry is gradually emerging, and the demand for it is also increasing. Because of its great use in electronics, chemical industry and other industries, it can help make delicate chips and is also used for surface treatment.
So all engineers and scholars worked together to improve the preparation technology, so that the yield gradually increased and the cost gradually decreased. From a rare thing, it has gradually become a regular product in industry. In the process of history, due to the wisdom and diligence of various sages, it has flourished. In this world, it is also an important corner of the chemical industry.

Product Overview

Tetramethylammonium hydroxide is an important product of chemistry. It may be a colorless liquid, highly alkaline and active. It is widely used in industry and scientific research.
In the electronics industry, it is often used as a developer to assist in the manufacture of circuit boards, which can accurately remove excess photoresists and ensure the accuracy of circuits. In organic synthesis, it is a commonly used alkali reagent to catalyze many reactions and promote efficient reactions.
The method of preparation is mostly through ion exchange and other means. However, it is corrosive, and when used, it must be carefully protected and operated according to specifications. Proper storage to prevent it from reacting with other substances and causing deterioration. In this way, the function of tetramethylammonium hydroxide can be fully developed, and it can contribute to chemical research and industrial development.

Physical & Chemical Properties

Tetramethylammonium hydroxide (Tetramethylammonium Hydroxide) is a chemical substance. Its properties are strongly alkaline, such as the genus of alkalis, and when it encounters acids, it can neutralize. Physical properties, at room temperature or as a liquid, clear and transparent, with a pungent taste.
In solubility, it can be miscible with water, and it is also easily soluble in alcohols. In the field of organic synthesis, it has a wide range of uses and can be used as a catalyst to help the reaction speed. However, it is active in nature and should be used with caution. If it is not handled properly, it may cause danger, such as rot and injury to the body. Therefore, the study of the physical and chemical properties of this substance, the advantages and disadvantages of its properties, and the appropriate use are beneficial for chemical research and industrial production.

Technical Specifications & Labeling

"Technical Specifications and Labeling (Product Parameters) of Tetramethylammonium Hydroxide"
Tetramethylammonium Hydroxide is an important product in the chemical industry. Its technical specifications are related to the quality. Looking at its properties, it should be a colorless and transparent liquid, free of impurities. The concentration parameters should be accurate, which is one of the keys. And the pH value must also meet the specified standards to ensure the stability of its chemical properties.
As for the logo, the name of the product should be stated on the product, and the words Tetramethylammonium Hydroxide should be clearly recognizable. And attach a warning logo to indicate its characteristics, such as corrosive, to prevent accidental touch and misuse. And product parameters, such as content, density, etc., should be listed in detail so that users can see it at a glance and use it correctly.

Preparation Method

The preparation method of tetramethylammonium hydroxide (Tetramethylammonium Hydroxide) is related to the raw material and production process, reaction steps and catalytic mechanism, and is an important content of chemical research.
Preparation of this substance, the selection of raw materials is very important. Halogenated methane and trimethylamine are commonly used as initial raw materials. In the production process, in a suitable reaction vessel, temperature, pressure and other conditions are controlled to fully react with trimethylamine.
The reaction steps are rigorous and orderly. The halogen atoms in halogenated methane combine with trimethylamine nitrogen atoms, and go through a series of intermediate states to obtain tetramethylammonium hydroxide. In terms of catalytic mechanism, specific catalysts can be introduced to accelerate the reaction process and increase the yield. For example, a catalyst can reduce the activation energy of the reaction, making the molecules more likely to collide and react, thus efficiently preparing tetramethylammonium hydroxide to meet the needs of many fields.

Chemical Reactions & Modifications

Today there is Tetramethylammonium Hydroxide, which is worth studying in chemical reactions and modifications. It is active, participates in various reactions, and can cause changes in substances.
Looking at its reaction, under specific conditions, it can combine with other substances to form a novel structure. However, the process often requires precise temperature control and pressure regulation before it can be achieved.
As for modification, it may be possible to change its characteristics and increase its utility by adding additives and changing its environment. Such as making it more stable in certain media, or making its reactive activity variable.
However, in order to maximize the wonders of its chemical reaction and modification, it is necessary to conduct many experiments and investigate in detail before we can obtain its true meaning, use it widely, and add luster to the chemical industry.

Synonyms & Product Names

Tetramethylammonium hydroxide (Tetramethylammonium Hydroxide) is also a chemical preparation. There are many other names for it, such as tetramethylammonium caustic alkali. In the market, it is also sold under different trade names. This agent has a wide range of uses, and it is common in the fields of electronics and chemistry.
Although the names of its products are different, they all refer to the same thing. For example, the tetramethylammonium hydroxide solution of a certain brand is actually this chemical substance. The nickname and the trade name, although the names are different, they refer to the same thing. We study this thing, when we understand its similarities and differences, we can make good use of it and make profits for all things in the chemical industry.

Safety & Operational Standards

"Tetramethylammonium Hydroxide Product Safety and Operation Specifications"
Tetramethylammonium Hydroxide is a commonly used reagent in chemical industry. Its liveliness is related to safety and operation standards, and should not be ignored.
In terms of safety, this substance is highly corrosive. If it touches the skin, it will burn and hurt the skin, and the skin will break the flesh. If it enters the eyes, it will damage the eyes and eyes, or even damage the eyesight. Therefore, when contacting, it is necessary to wear protective equipment, such as corrosion-resistant gloves, anti-goggles, and protective clothing to ensure safety. If you accidentally touch it, rinse it with a lot of water quickly, and if it is serious, seek medical treatment immediately. And it is volatile, exposed to the air for a long time, and the air enters the human body The place of operation must be well ventilated, or equipped with ventilation equipment to exhaust its exhaust gas and protect breathing safety.
As far as the operating specifications are concerned, when taking it, the action should be slow to avoid its splashing. Measure accurately, according to the needs of experiment or production, not more or less. When storing, it should be placed in a cool and dry place, away from fire and heat sources, because it is exposed to heat or open flame, it may be dangerous. The container must be sealed to prevent volatilization and deliquescence. After use, properly clean the utensils, and the residual chemicals should not be discarded at will. Dispose of them in accordance with regulations to avoid polluting the environment.
Only by following these safety and operating specifications can the safety of tetramethylammonium hydroxide use be guaranteed, to avoid accidents, and to protect the safety of people and the environment

Application Area

Tetramethylammonium Hydroxide is useful in many application fields. In the field of electronics, it can be used as a silicon wafer cleaning agent to remove impurities, keep it clean, and assist electronic components. In chemical synthesis, it is often a phase transfer catalyst, which promotes the anterograde reaction and increases the reaction efficiency. And in the preparation of organosilicon compounds, it is a key reagent, assisting in structure shaping and forming specific products. In the preparation of surfactants, it also has its place, which can adjust surface activity and change the interfacial properties of substances. This is where tetramethylammonium hydroxide is used in different fields.

Research & Development

Since modern times, the technology of chemistry has advanced with each passing day, and the study of substances has become more and more refined. Tetramethylammonium Hydroxide is becoming more and more important in various fields. We study it, observe its properties, and study its uses. At first, the preparation was difficult, and the yield was very little, which was only a small trial investigation. However, after various studies and improved techniques, the yield gradually increased, and the available places also increased. In the electronics industry, it helps the essence of lithography; in the chemical industry, it promotes the smooth reaction. We are unremitting, hoping that it can be used to a higher level, widely used, for the progress of the industry and the benefit of the world, adding bricks and tiles, promoting its continuous development, and benefiting everyone.

Toxicity Research

Taste and smell chemical substances, the study of toxicity, is related to people's livelihood. Today there is Tetramethylammonium Hydroxide, and the study of its toxicity should not be ignored.
This substance is strong in nature. In experiments, if you accidentally touch it, the skin will burn and even fester. If it enters the eyes, it can cause eye damage and unclear vision. If you inhale its qi, your lungs will be invaded, and you will cough and wheeze. Although it has its uses in industry, it is poisonous like a tiger and cannot be prevented.
When studying its toxicity, you should follow the ancient law and observe its changes. Take white mice as an experiment, feed a small amount, and observe the differences in their behavior, diet, and body posture. Expected to get detailed fruit, know the depth of its poison, the urgency of the harm, so that everyone knows the danger, when using it, be extra cautious, protect your health, and your career is smooth.

Future Prospects

Today, Tetramethylammonium Hydroxide has great potential in the field of chemistry. Its unique nature and wide range of uses can be used as a catalyst for many reactions, and it is also used in the electronics industry and other important places.
Looking to the future, technology is new, and Tetramethylammonium Hydroxide will definitely get more research. The method of its preparation may be more refined, the cost is decreasing, and the efficiency is increasing. At the application level, it will shine in the field of emerging technologies, such as high-end chip manufacturing, new material research and development, or emerging. The future of this material is still uncertain, and it will definitely open up new frontiers and bring unlimited possibilities for our generation.

Frequently Asked Questions

What are the main uses of tetramethylammonium hydroxide?

Tetraethyl lead is an organic compound containing lead, and its main uses are quite extensive. In the past, this compound was often used as an additive for gasoline, because adding an appropriate amount of tetraethyl lead to gasoline can significantly increase the octane number of gasoline. The octane number is related to the performance of gasoline against knock. The higher the octane number, the less likely it is to knock when gasoline is burned in the engine, so the operation of the engine is smoother and smoother, and the power output is more stable and efficient.
However, the use of tetraethyl lead also brings many drawbacks. After tetraethyl lead is burned, lead will be discharged into the atmosphere in the form of compounds, causing serious pollution to the environment, and lead is a toxic substance, which is extremely harmful to human health. Long-term exposure to lead-containing environments can cause damage to the human nervous system, blood system, digestive system, etc., especially to children's intellectual development and physical growth.
With people's emphasis on environmental protection and human health, tetraethyl lead has been gradually reduced or even banned as a gasoline additive. Nowadays, other more environmentally friendly ways are used to improve the octane number of gasoline, such as improving the refining process and adding other lead-free additives, in order to achieve the cleanliness and efficiency of automobile fuels, so as to achieve the purpose of not only protecting engine performance, but also reducing environmental pollution and health hazards.

What should be paid attention to when storing tetramethylammonium hydroxide?

Tetraaminozirconium hydroxide is a chemical substance. When storing, many matters need to be paid attention to.
The first thing to pay attention to is its environment. This substance should be stored in a cool, dry and well-ventilated place. Because it is afraid of moisture, if it is in a humid place, it is easy to react with water vapor, causing its properties to change. And the high temperature is also not good. The high temperature may accelerate the reaction, damage its quality, and even cause safety risks. Therefore, it should be avoided from direct sunlight, away from heat sources and fires.
Second and packaging. Tight and suitable packaging materials must be used. It is common to store in a sealed container to prevent air and water vapor from entering. The selected packaging material should not react with tetraaminozirconium hydroxide to ensure its stability. If the packaging is improper, the material leaks out, or causes pollution, it also poses a threat to the surrounding environment and personal safety.
In addition, it is also crucial to keep it separate. Do not coexist with acids, oxidants and other substances that can react with it. Tetraaminozirconium hydroxide has specific chemical properties. When it encounters acids or oxidants, it may react violently, and in the case of light, it may cause the substance to fail, and in the case of severe cases, it may cause risks such as combustion and explosion. Therefore, when storing, it is necessary to separate it from other substances according to its chemical properties.
In addition, the storage area should be clearly marked. Indicate the name of "tetraaminozirconium hydroxide", and storage precautions, such as "moisture-proof" and "away from fire sources". In this way, when personnel see it, they will know its characteristics and storage requirements, and when operating, they can also follow the rules to reduce accidents. And the storage place should be equipped with corresponding emergency treatment equipment, such as fire extinguishers, adsorption materials, etc., for emergencies.

What are the physical properties of tetramethylammonium hydroxide?

Tetraaminozirconium hydroxide is an inorganic compound. It has various physical properties and is quite useful in many fields.
Looking at its properties, it is a white powder-like substance under normal circumstances. This form is easy to store and transport, and it is also easy to mix with other substances. It can easily participate in the reaction in chemical preparation and other links.
When it comes to solubility, it is slightly soluble in water. This property allows tetraaminozirconium hydroxide to disperse in an aqueous solution system at a moderate concentration, slowly releasing ions, thereby regulating the reaction process, which is quite advantageous in catalysis and other aspects. And because it is slightly soluble, it will not over-dissolve and cause supersaturation of the solution, which will affect the reaction or product performance.
Its thermal stability is also worth mentioning. In a certain temperature range, tetraaminozirconium hydroxide can maintain its own structural stability and not easily decompose. This property makes it suitable for processes that require high temperature treatment, such as high temperature calcination to prepare specific ceramic materials or catalyzing high temperature reactions. It can maintain its own efficacy with good thermal stability and ensure the smooth progress of the process.
Furthermore, tetraaminozirconium hydroxide has a certain alkalinity. This alkaline property can play a key role in the reaction of some acid-base neutralization or regulation of the pH of the system. It can precisely adjust the pH of the reaction environment and create suitable conditions for specific chemical reactions. It is of great significance in the fields of organic synthesis and material surface modification.
Because its molecular structure contains special amino groups and zirconium ions, it has unique coordination ability. It can form stable complexes with many organic or inorganic ligands. This property is used in the field of material synthesis, which can be used to construct new functional materials, endow materials with special optical, electrical or magnetic properties, and broaden the application scope of materials.

What are the hazards of tetramethylammonium hydroxide to the human body?

Tetraaminozirconium hydroxide is extremely harmful to the human body.
Tetraaminozirconium hydroxide contains various elements such as zirconium. Although zirconium is a trace element required by the human body, excessive intake of it can cause endless disasters. If such dust is inhaled through breathing, it is easy to sink in the lungs, and it will accumulate for a long time, causing lung diseases, or causing lung ventilation and Qigong damage, causing people to have difficulty breathing, cough, and even the risk of lung disease.
And if taken orally by mistake, tetraaminozirconium hydroxide enters the stomach and touches various fluids and tissues in the body, which can cause gastrointestinal diseases. Or cause damage to the intestinal and gastrointestinal mucosa, causing frequent abdominal pain, diarrhea, nausea, vomiting and other diseases. Over time, the gastrointestinal transportation and chemical functions are greatly damaged, nutrition is difficult to absorb, and the body is gradually weakened.
Furthermore, if the skin comes into contact with tetraaminozirconium hydroxide, it may cause allergies. The skin is red, itchy, rash, even festering, inflamed, and painful. If the eyes are accidentally contaminated, the irritation is so strong that it can damage the tissues of the eyes and cause vision damage. It can be mild to eyesight, eyeache, tears, and severe to eye diseases, unclear vision, and even the risk of blindness.
Tetraaminozirconium hydroxide can cause harm to the human body from breathing, diet, and contact, causing harm to the lungs, stomach, skin, and eyes. Therefore, it should be carefully avoided to avoid injury.

What are the preparation methods of tetramethylammonium hydroxide?

The preparation methods of tetraaminozirconium hydroxide are as follows.
First, zirconium oxychloride and ammonia water are used as raw materials. First, take an appropriate amount of zirconium oxychloride, dissolve it in pure water, and prepare a solution of a certain concentration. Another appropriate amount of ammonia is taken and slowly dripped into the zirconium oxychloride solution. When adding dropwise, it needs to be stirred continuously to make the reaction uniform. During this process, white precipitation will form. After the precipitation is complete, let it stand for a period of time to fully settle. Then, filter out the precipitation and wash it repeatedly with deionized water until no chloride ions can be detected in the eluent. Finally, the washed precipitation is placed in an oven and dried at a suitable temperature to obtain tetraaminozirconium hydroxide.
Second, prepared by alcoholysis method. Select a suitable alcohol solvent, such as ethanol, etc. Zirconium salts, such as zirconium nitrate, are dissolved in alcohol solvents to form a homogeneous solution. Then, organic amine compounds, such as ethylenediamine, are added. Under certain temperature and pressure conditions, the alcoholysis reaction occurs between the two. After the reaction is completed, the excess solvent and unreacted substances are removed by vacuum distillation and other operations, and then tetraaminozirconium hydroxide products are obtained.
Third, prepared by sol-gel method. Take inorganic or organic salts of zirconium as precursors, such as zirconium n-propanol. Mix it with an appropriate amount of solvent and chelating agent to form a homogeneous solution. In solution, the precursor is gradually hydrolyzed and polycondensed to form a sol. As the reaction proceeds, the sol is converted into a gel. After drying and calcining the gel, tetraaminozirconium hydroxide can be prepared. This method can precisely control the particle size and morphology of the product, and the product has excellent performance.