Tetramethylammonium Hydroxide, Aqueous Solution

Shijie Chemical

Specifications

HS Code	102075
Chemical Formula	C4H13NO
Molar Mass	91.15 g/mol
Appearance	Colorless liquid
Odor	Ammonia - like odor
Density	1.00 g/cm³ (approx. for 25% solution)
Ph	Highly basic (usually above 13 for concentrated solutions)
Solubility In Water	Miscible
Boiling Point	110 °C (decomposes)
Melting Point	68 - 71 °C (anhydrous)
Stability	Unstable in the presence of strong acids, may react violently

Packing & Storage

Packing	500 mL bottle of Tetramethylammonium Hydroxide aqueous solution packaging.
Storage	Tetramethylammonium Hydroxide in aqueous solution should be stored in a cool, well - ventilated area, away from heat and ignition sources. It must be kept in a tightly - sealed, corrosion - resistant container, preferably made of plastic, to prevent leakage and reaction with the container material. Avoid storing near acids due to potential violent reactions.
Shipping	Tetramethylammonium Hydroxide aqueous solution is shipped in specialized, leak - proof containers. Due to its caustic nature, it adheres to strict hazardous materials shipping regulations, ensuring safe transport.

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General Information

Historical Development

Tetramethylammonium hydroxide aqueous solution is also used more and more widely in the field of chemical industry. Tracing back to its source, the understanding was not deep at the beginning, and the research was rare. However, the years passed, and the sages continued to study. In the past, the process was simple and clumsy, the amount of production was small, and the quality was not refined.
The wisdom of later scholars is gradually awakening, and the technology is new. Knowing its nature, making good use of it, in the electronics and chemical industries, has shown great success. The method of production has also become more refined, the output has increased greatly, and the quality has also become better.
Since the beginning, tetramethylammonium hydroxide aqueous solution has moved forward with the years, meeting the needs of the world, and assisting in the advancement of science and technology and the prosperity of industry. The future should also be more prosperous.

Product Overview

Tetramethylammonium hydroxide aqueous solution is a commonly used reagent in chemical research. It is a colorless and transparent liquid with strong alkalinity. This agent is widely used in organic synthesis, electronics industry and other fields. In organic synthesis, it can be used as a phase transfer catalyst to help the reaction process. In the electronics industry, it is often used in photoresist development and other links.
Tetramethylammonium hydroxide aqueous solution has unique properties, strong alkalinity and certain corrosiveness. When using, be sure to follow the operating procedures to prevent harm to people and the environment. Storage should also be cautious, and it should be placed in a cool and ventilated place to avoid co-storage with oxidants. Its concentration, purity and other indicators have a great impact on the effect of the application, so the relevant parameters need to be accurately controlled during research.

Physical & Chemical Properties

Tetramethylammonium hydroxide aqueous solution, its physical and chemical properties are quite critical. Looking at its physical properties, it is mostly colorless and transparent liquid at room temperature, with strong alkalinity, just like the intensity of alkali. And it is corrosive to a certain extent, and it needs to be very careful when contacting, just like a sharp blade, it can hurt things and hurt people.
When it comes to chemical properties, this solution is quite active. It can quickly neutralize with many acidic substances, like water and fire, and changes in an instant. In the field of organic synthesis, it is often used as a catalyst, just like a helmsman on a ship, guiding the direction of the reaction and promoting the smooth progress of the reaction. Its unique physical and chemical properties make it widely used in many fields such as the electronics industry. However, when using it, it must strictly abide by the specifications to prevent accidents.

Technical Specifications & Labeling

There is an aqueous solution of Tetramethylammonium Hydroxide today, and its technical specifications and identification (product parameters) are of paramount importance. Looking at this solution, it is necessary to prove that its composition is accurate and the concentration measurement must be in line with the specifications. Its appearance should be clear and free of impurities. And the container must be firmly sealed to prevent volatilization and deterioration. On the label, the parameters such as composition, concentration, production date, shelf life, etc. should be clearly marked, and there should be no ambiguity. In this way, the quality and safety of this product can be guaranteed. In various applications, it is necessary to play its due effect and strictly abide by the technical specifications and labeling standards.

Preparation Method

The method of preparing tetramethylammonium hydroxide aqueous solution is related to raw materials and production process, reaction steps and catalytic mechanism. Take suitable raw materials and mix them according to a specific ratio. First, put an appropriate amount of alkali source and halogenated methane in a clean vessel. Control at a moderate temperature and step by step. The reaction steps need to be rigorous, do not be impatient, and proceed in sequence to make the reaction sufficient. As for the catalytic mechanism, a suitable catalyst can be selected to promote the speed of the reaction and improve the rate of the product. In this way, through various processes, refining and purification, a high-quality tetramethylammonium hydroxide aqueous solution can be obtained to meet the needs of all parties.

Chemical Reactions & Modifications

Tetramethylammonium Hydroxide is a strongly basic compound, and its aqueous solution has unique chemical properties and reactions. In many reaction systems, this solution often exhibits efficient catalytic activity, which can significantly change the rate and direction of chemical reactions.
In the field of organic synthesis, it can promote some nucleophilic substitution reactions to proceed more smoothly, and enhance the activity of nucleophilic reagents by providing hydroxide ions. And because of its alkalinity, it can adjust the pH of the reaction system and affect the reaction balance.
However, its chemical activity also brings challenges. Due to its strong alkalinity, if the reaction conditions are not properly controlled, it is easy to cause side reactions, which affect the purity and yield of the product. Therefore, it is necessary to precisely control the reaction temperature, concentration and time, and optimize the reaction conditions in order to give full play to its modification effect, inhibit adverse side reactions, and improve product quality and performance.

Synonyms & Product Names

Tetramethylammonium hydroxide aqueous solution, this substance is very important in the chemical industry. It has many other names, such as tetramethylcaustic alkali.
Tetramethylammonium hydroxide aqueous solution, widely used in industry. In the electronics industry, it is often used as a silicon wafer cleaning agent. With its unique chemical properties, it can effectively remove impurities on the surface of silicon wafers and ensure stable performance of electronic components. In the field of organic synthesis, it is also a key catalyst, which can accelerate the process of many chemical reactions and improve production efficiency.
This substance has special properties. It is a colorless and transparent liquid with strong alkalinity. When using it, it needs to be handled with caution and strictly follow safety procedures. In terms of storage, it should be placed in a cool, dry and well-ventilated place, away from fire sources and oxidants to ensure Many industries continue to demand it, driving relevant research and production forward to meet the needs of diverse markets.

Safety & Operational Standards

"Specifications for safety and operation of tetramethylammonium hydroxide aqueous solution"
tetramethylammonium hydroxide aqueous solution is also a common product for chemical research. Its unique characteristics are related to safety and operation, and detailed specifications should be specified to ensure safety.
For storage, it should be placed in a cool and ventilated place, away from fire and heat sources. Cover it or it may be volatile, and it may be dangerous in case of open flame or hot topic. And it should be stored separately from oxidants, acids, etc., and should not be mixed with storage to prevent violent reactions.
When operating, be careful. Operators must undergo professional training and strictly follow the operating procedures. It is recommended to wear a self-priming filter gas mask (full mask), wear rubber acid and alkali-resistant clothing, and wear rubber acid and alkali-resistant gloves to protect yourself.
If you accidentally come into contact with the skin, you should immediately take off the contaminated clothing, rinse with a large amount of flowing water for at least 15 minutes, and seek medical attention in time. If it splashes into the eyes, you should immediately lift the eyelids, rinse thoroughly with a large amount of flowing water or normal saline for at least 15 minutes, and also seek medical attention.
After use, properly dispose of the remaining products. Do not dump at will to avoid polluting the environment. And at the operation site, appropriate plugging materials and emergency treatment equipment should be prepared to prevent unexpected situations. In this way, the safety of the use of tetramethylammonium hydroxide aqueous solution can be ensured, and the operation specifications can be ensured.

Application Area

Tetramethylammonium hydroxide aqueous solution is useful in many fields. In the electronics industry, it can be used as a silicon wafer etchant to precisely remove excess silicon materials and help chip manufacturing achieve higher accuracy. In the field of organic synthesis, it is often used as a strong alkali catalyst to promote the efficient progress of many chemical reactions. When preparing surfactants, the properties of surfactants can be adjusted to enhance their emulsification and dispersion effects. In the manufacturing process of liquid crystal displays, liquid crystal materials can be processed to optimize the display effect. These applications all demonstrate the unique role of tetramethylammonium hydroxide aqueous solution, contributing to the development of various industries.

Research & Development

In recent times, the science of chemistry has advanced day by day, and Tetramethylammonium Hydroxide, Aqueous Solution has gradually entered our field of vision. We explore its properties in a state of study.
In the laboratory, observe its reaction image in detail and measure its physicochemical properties. This solution is strongly alkaline. In the field of organic synthesis, it is often used as a catalyst to promote the speed of reaction and change the path of reaction.
After long-term research, we know that it is also very useful in the electronics industry. It can be used as a cleaning agent to remove impurities and ensure the purity of devices. However, its strong properties require caution when used to prevent the risk of corrosion and avoid safety risks.
Our generation should make unremitting efforts to study, expand its use, make good use of its methods, seek the progress of chemical industry, and seek the prosperity of industry. For the benefit of future generations, we will devote our efforts to promoting this chemical in scientific research and industry, so as to achieve long-term development.

Toxicity Research

Tetramethylammonium Hydroxide, Aqueous Solution, the study of its toxicity is crucial. Looking at this substance, it is strongly alkaline and penetrating. Although it has many applications in industry and scientific research, its toxicity should not be underestimated.
Taste, if this substance touches the skin by mistake, it will be slightly tingling, red and swollen, and in severe cases ulceration and tendons. If it is not carefully entered into the eyes, it will damage vision and even risk blindness. Inhaling its volatile gas can also hurt the lungs, causing asthma and shortness of breath. Therefore, when studying its toxicity, it is necessary to investigate its mechanism of action in detail and explore the relationship between dose and reaction in order to obtain its true meaning, which is a guide for protection and application, to ensure that people are safe and free from poisoning.

Future Prospects

Tetramethylammonium Hydroxide, Aqueous Solution, is also a chemical product. Today, this product has its uses in the field of engineering and scientific research.
Looking forward to the future, its work in this field may help the fabrication of chips, resulting in higher integration and better performance. In the field of materials, it is expected to lead to the research of new materials and the generation of materials with excellent characteristics. And the concept of colorization is developed, its application or protection, energy consumption is reduced, and pollution is less.
In the future, Tetramethylammonium Hydroxide, Aqueous Solution has not been developed, and it will be able to expand the color of many domains, promote the progress of science and technology, and achieve the best.

Frequently Asked Questions

What are the main uses of tetramethylammonium hydroxide aqueous solution?

What are the main users of tetraaminozirconium hydroxide aqueous solution? This solution has a wide range of uses and is crucial in many fields.
In the field of material preparation, it can be used as a precursor. Taking the preparation of high-performance oxide ceramic materials as an example, tetraaminozirconium hydroxide aqueous solution is mixed with specific organic reagents, and a uniform gel can be prepared by sol-gel method. Then calcined at high temperature to obtain ceramics with dense structure and excellent properties. Because it can be uniformly dispersed in solution and has good reactivity with organic reagents, it can effectively control the microstructure of materials and improve material properties.
is also useful in the surface treatment industry. In terms of surface modification of metal materials, a dense zirconia film can be formed on the surface of the metal by immersing the metal in this solution. This film can enhance the corrosion resistance of the metal because it isolates the contact between the metal and the external corrosive medium. And it can improve the hardness of the metal surface and reduce wear. It plays a significant role in industries that require strict metal properties such as aerospace and automobile manufacturing.
In the field of catalysis, it is also an important raw material. Due to its structural characteristics, it can be supported on a specific carrier to make a high-efficiency catalyst. In some organic synthesis reactions, it can accelerate the reaction process, improve the reaction yield, and has good selectivity. Its catalytic activity comes from its surface activity check point, which can effectively absorb reactant molecules and reduce the reaction activation energy. From this perspective, tetraaminozirconium hydroxide aqueous solution plays an important role in material preparation, surface treatment, catalysis, etc. It is a widely used and important chemical reagent.

What are the precautions for storing and transporting tetramethylammonium hydroxide aqueous solution?

When storing and transporting tetraaminozirconium hydroxide aqueous solution, there are several points to pay attention to.
First, this solution is corrosive. If it is the edge of a sharp blade, it will touch the skin like a sharp blade, causing pain, and the skin may be red, swollen and ulcerated; if it enters the eyes, it can cause severe eye pain, damage vision, or even blindness. Therefore, when handling, be sure to take strict care of the body, wear protective clothing, protective gloves and goggles, which are essential for protection.
Second, its stability is of great importance. If this solution is exposed to high temperature or strong light, it is still placed on the boiling tripod, and the internal structure is prone to chaos, or its chemical properties are changed, and its efficacy or activity are damaged. When storing, it is advisable to find a cool, dry and well-ventilated place to hide away from light, just like pearls hidden in a box, protected from light and heat.
Third, when transporting, the packaging must be firm and tight. If the packaging is omitted, such as the collapse of the dam, the solution leaks out, and the places it passes along the way may be eroded and damaged, polluting the environment and endangering humans and animals. Suitable packaging materials must be selected to ensure that they are sealed and can withstand bumps and shocks.
Fourth, the reaction with other things should also be carefully observed. This solution can react violently when exposed to certain chemical substances, just like dry firewood when exposed to fire. During storage and transportation, it must not be co-located with acids, strong oxidizing agents, and other substances, and must be strictly separated, such as the Chu River and Han borders, with clear boundaries.
All of these are the key to storing and transporting tetraaminozirconium hydroxide aqueous solutions. They must not be ignored. They must follow standard laws to ensure safety.

What are the usual concentration specifications of tetramethylammonium hydroxide aqueous solution?

The concentration specification of tetraaminozirconium hydroxide aqueous solution often involves the following ends:
First, when industrial preparation of many materials, such as the synthesis of special ceramics, catalytic materials, etc., the concentration of tetraaminozirconium hydroxide aqueous solution is required to be accurate. The common concentration is about 20% - 50%. This concentration range is conducive to its uniform dispersion in the reaction system, giving full play to the chemical activity of zirconium ions and amino groups, and promoting the efficient progress of the reaction. If the concentration is too low, the reaction rate is slow, and the product yield is not high; if the concentration is too high, the reaction may be too violent, difficult to control, and or cause adverse phenomena such as agglomeration.
Second, when used in scientific research experiments to explore the synthesis of new compounds, material properties research and other scenarios, the concentration specification is Dilute solutions as low as 1% to 5% can be used to study the reaction mechanism and interaction between substances in extremely dilute environments; concentrated solutions as high as 60% to 80% can explore the special properties and behaviors of substances at high concentrations. Scientists flexibly allocate concentrations according to research purposes and needs to reveal the potential laws and characteristics of substances.
Third, in the field of surface treatment, such as modifying the surface of metal materials to enhance their corrosion resistance and wear resistance, the concentration of tetraamino zirconium hydroxide aqueous solutions is mostly 10% to 30%. This concentration not only ensures that the zirconium compound is effectively adsorbed and chemically reacts with the metal surface to form a dense protective film, but also prevents the film layer from being too thick and cracking due to high concentration.
Fourth, in the manufacture of electronic materials, in view of the strict requirements for material purity and performance, the concentration of tetraaminozirconium hydroxide aqueous solution also has a specific range. Usually in the concentration range of 30% - 50%, electronic materials with excellent performance can be obtained after subsequent treatment to ensure the stable operation of electronic devices.

What are the safety measures when using tetramethylammonium hydroxide aqueous solution?

The safety protection measures when using tetraaminozirconium hydroxide aqueous solution are as follows:
First, it is related to respiratory system protection. Wear a self-priming filter dust mask where tetraaminozirconium hydroxide dust or its aerosols may be stored. If the concentration of this substance in the working environment is high, or during emergency rescue or evacuation, be sure to wear an air respirator to ensure safe breathing and prevent harmful substances from invading the human body through the respiratory tract.
Second, eye protection cannot be ignored. During the operation of tetraaminozirconium hydroxide aqueous solution, chemical safety glasses should be worn to prevent the solution from splashing into the eyes, causing chemical burns and other injuries to the eyes, providing a reliable protective barrier for the eyes.
Third, for body protection. It is necessary to wear anti-toxic penetrating work clothes. This work clothes can effectively block the direct contact of tetraaminozirconium hydroxide aqueous solution with the body and prevent it from penetrating into the skin through the clothes, so as to protect the body from damage.
Fourth, hand protection is essential. Rubber gloves should be worn to ensure that the skin of the hands is not in direct contact with tetraaminozirconium hydroxide aqueous solution to avoid the adverse effects of the solution on the hands such as corrosion and allergies.
In addition, the operation site should be well ventilated to reduce the concentration of tetraaminozirconium hydroxide in the air. After the operation is completed, be sure to wash the body thoroughly and change clothes. If you accidentally come into contact with tetraaminozirconium hydroxide aqueous solution, skin contacts should immediately remove contaminated clothing and rinse with a large amount of flowing water; eye contacts should immediately lift the eyelids, rinse with flowing water or normal saline, and seek medical attention in time. During use, do not eat, drink, smoke, to prevent harmful substances from entering the body. At the same time, it is necessary to strictly follow the operating procedures to avoid danger caused by illegal operations.

What are the reactions between tetramethylammonium hydroxide aqueous solution and other common chemicals?

The aqueous solution of tetraaminozirconium hydroxide is a chemical substance, which is active and often reacts with many common chemicals.
If it encounters acids, it will be like water and fire, and the two will be neutralized. The hydrogen ion of the acid and the hydroxide ion in the tetraaminozirconium hydroxide interact with each other to form water. In the case of hydrochloric acid, the hydrogen ion dissociated by the hydrogen chloride in the hydrochloric acid and the hydroxide ion of the tetraaminozirconium hydroxide combine to form water, and the other chloride ions and zirconium ions also combine to form new compounds.
also meet with some salts, and there are wonderful changes. If it encounters copper salts, such as copper sulfate, the hydroxide ion in the tetraaminozirconium hydroxide will meet the copper ion and form a copper hydroxide precipitation. Due to the fact that copper hydroxide is insoluble in water, it precipitates from the solution, just like rain falling in the clouds, condensing and falling.
meets organic compounds, and the reactions are also varied. Some organic compounds containing carboxyl groups, the hydrogen in the carboxyl group can react with the hydroxide ion of tetraaminozirconium hydroxide to form water and corresponding salts. In this process, the clutch of chemical bonds is like a delicate dance, and the elements are recombined according to the laws of chemistry.
When it encounters acidic oxides such as carbon dioxide, it also reacts. Carbon dioxide dissolves into water to form carbonic acid, and the reaction between carbonic acid and tetraaminozirconium hydroxide is similar in nature to the reaction of acids and bases. In carbonic acid, hydrogen ions combine with hydroxide ions, and the product depends on the specific situation, either carbonate or bicarbonate, depending on the quantity ratio and conditions of each substance during the reaction.
This tetraaminozirconium hydroxide aqueous solution, in the field of chemistry, meets with all kinds of substances, and all changes according to the principle of chemistry, or combination, or decomposition, which is amazing.