Hexamethyldisiloxane

Meisheng Chemical

Specifications

HS Code	974283
Chemical Formula	C6H18OSi2
Molecular Weight	162.38 g/mol
Appearance	Colorless liquid
Odor	Mild, characteristic
Density	0.763 g/cm³ at 25 °C
Boiling Point	101 - 103 °C
Melting Point	-59 °C
Flash Point	-1 °C
Solubility In Water	Insoluble
Solubility In Organic Solvents	Soluble in many organic solvents
Vapor Pressure	3.96 kPa at 25 °C
Refractive Index	1.375 - 1.377 at 20 °C

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

Packing & Storage

Packing	Hexamethyldisiloxane packaged in 5 - liter containers for chemical use.
Storage	Hexamethyldisiloxane should be stored in a cool, well - ventilated area, away from heat, sparks, and open flames as it is flammable. Keep it in tightly - sealed containers to prevent evaporation and contamination. Store it separately from oxidizing agents and incompatible substances. Ensure storage areas are dry to avoid potential hydrolysis reactions.
Shipping	Hexamethyldisiloxane is shipped in well - sealed, corrosion - resistant containers. It follows strict hazardous material regulations. During transit, measures ensure protection from heat, impact, and moisture to maintain its integrity.

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General Information

Historical Development

Hexamethyldisiloxane, organosilicon compounds are also. Its historical development is traced back to the past, and silicone chemistry flourished at an early age, and various sages dedicated themselves to research. At that time, the process was first developed, and it was quite difficult to obtain this product. However, scholars have been unremitting, and the technology has progressed over time. Since the beginning of crude production, after the intensive research, the conditions have improved, and the yield has gradually increased. Its use has also gradually expanded, emerging in various fields of chemical industry. From the beginning, it was only a rare thing in the laboratory, to the post-industrial multi-use, the development of Hexamethyldisiloxane is a good example of chemical evolution, witnessing the progress of scientific research, and now it continues to shine in the long river of chemical industry.

Product Overview

Hexamethyldisiloxane, silicone compounds are also. Its color is clear and transparent, like water, with special volatility. At room temperature, its properties are quite stable and do not easily react with common substances.
This compound is widely used in industrial fields. It is often used as a raw material for organic synthesis, helping many chemical reactions to proceed smoothly. In the electronics industry, it can be used as a cleaning agent to remove tiny dirt and ensure the performance of electronic components. In the cosmetics industry, it is also used to make the product texture smoother and improve the sense of use.
The preparation of Hexamethyldisiloxane requires a specific chemical process to ensure its purity and quality. Its application prospects are broad, with the development of science and technology, or play an important role in more fields.

Physical & Chemical Properties

Hexamethyldisiloxane, the organosilicon compound is also. Its physical and chemical properties are particularly important. Looking at its properties, it is a colorless and transparent liquid at room temperature, and it has a weak special smell. Its boiling point is about 101.5 ° C, the melting point is -59 ° C, the density is nearly 0.763g/cm ³, and it has low surface tension and good solubility in organic solvents. Chemically, it is relatively stable, and it is not easy to react violently with common acids and bases. However, under specific catalytic conditions, it can participate in the related reaction of silicon-oxygen bonds. These physical and chemical properties make it widely used in many fields such as chemical industry and materials, and it is a valuable chemical substance.

Technical Specifications & Labeling

Hexamethyldisiloxane, the organosilicide is also. Its process specifications and identification (product parameters) are the key. The process specifications are related to the production method and need to be accurate. The selection of raw materials must be pure, the reaction conditions should be stable, and the temperature, pressure and other parameters must be fixed to ensure the quality of the product.
The label (product parameters) cannot be ignored, and its purity standard must reach the standard of excellent grade. The appearance should be clear and colorless, free of impurities and no filth. And its physical and chemical properties, such as boiling point, density, etc., should be explained for the user's reference. By following this process specification and identification (product parameters), the Hexamethyldisiloxane can be better, so as to meet the needs of industry and scientific research.

Preparation Method

Hexamethyldisiloxane, the organosilicon compound is also. The method of its preparation is related to the raw material and the production process, reaction steps, and catalytic mechanism. The raw material is commonly used in hexamethyldisiloxane-related compounds. In the production process, conditions such as temperature and pressure need to be controlled. The reaction steps go through several steps of chemical reaction. Catalytic mechanism, or a specific catalyst is used to promote the reaction rate. Such as the ancient method of preparation, first take suitable raw materials, mix them in proportion, and put them in a special kettle to heat up and regulate the reaction time in sequence. In the meantime, the catalyst is added in time to help its chemical bond rearrangement and combination. After the reaction is completed, the finished product can be obtained Hexamethyldisiloxane separation and purification techniques to meet the needs of various industries.

Chemical Reactions & Modifications

Hexamethyldisiloxane, the translation of hexamethyldisiloxane. The reaction and modification of hexamethyldisiloxane are quite important in industry.
Looking at the reaction, hexamethyldisiloxane can react violently when it encounters a strong oxidant, such as peroxide, to generate a new silica bond structure. And under the catalysis of acid or base, it can be hydrolyzed, and its silica bond is broken to obtain a silanol-containing substance.
As for modification, it is often introduced into the polymer main chain by copolymerization to give the material excellent hydrophobicity and flexibility. Or by surface modification, the surface of the material is coated with the structure of hexamethyldisiloxane, which can change its surface energy and increase its fouling resistance. All of this shows its unique ability in chemical processing and modification, for industrial use, display ads.

Synonyms & Product Names

Hexamethyldisiloxane, the Chinese name is hexamethyldisiloxane, which also has many nicknames and trade names. Although ancient chemistry is not as developed as it is today, it also has corresponding names for such substances.
Its nickname is silicon ether, which was called in the chemical exploration of the past. As for the trade name, it may vary depending on the merchant, place of origin, and use. In industrial use, it may be called "moisturizing silicon liquid", which means that it is clean in nature and rich in silicon elements. In some fine chemical fields, it may be called "crystal permeable silicone agent", emphasizing that it can make the product appear crystal permeable and is a preparation containing silicon oxide.
Although times have changed and chemical knowledge has changed with each passing day, looking back at the names of this substance in the past can also give a glimpse of the development of chemistry.

Safety & Operational Standards

Hexamethyldisiloxane, known in Chinese as hexamethyldisiloxane, is widely used in the chemical industry. To ensure its safe use and operating practices, specific guidelines must be followed.
Hexamethyldisiloxane volatile and flammable substances. During storage, it must be placed in a cool and well-ventilated place, away from fire and heat sources. Storage containers should also be tightly sealed to prevent leakage. During handling, handle with care to avoid material leakage caused by damage to the container.
When operating, ensure that the workplace is well ventilated. Operators must wear appropriate protective equipment, such as gas masks, protective gloves and protective glasses, to avoid inhalation of volatile gases or contact with materials to cause harm to the body. If you accidentally contact the skin, you need to rinse with a lot of water immediately; if you contact the eyes, you should immediately open the eyelids, rinse with flowing water or normal saline, and seek medical attention in time.
If Hexamethyldisiloxane leakage occurs, first of all, quickly evacuate the personnel in the leaked contaminated area to a safe area, and quarantine, strictly restrict personnel access. Emergency personnel need to wear self-contained positive pressure breathing apparatus and fire protective clothing to cut off the source of leakage as much as possible. For a small amount of leakage, it can be absorbed by inert materials such as sand and vermiculite; when a large amount of leakage, it is necessary to build a dike or dig a pit to contain it, and cover it with foam to reduce volatilization. Recycle or transport to a waste disposal site for disposal.
The safety and standardized operation of Hexamethyldisiloxane is related to personnel safety and production stability, which cannot be ignored. Any link needs to be strictly implemented in accordance with the regulations to prevent problems before they occur.

Application Area

Hexamethyldisiloxane, silicone compounds are also. Its application field is wide, in the chemical industry, often as raw materials for organic synthesis. With its characteristics, it can assist in the construction of a variety of organic molecules, providing key starting materials for the preparation of many fine chemicals.
In materials science, it also has extraordinary performance. It can be used to prepare coating materials with special properties and apply them to the surface of objects to enhance their waterproof and anti-fouling properties. And in the electronics industry, it is also indispensable. In the semiconductor manufacturing process, it can be used as a cleaning agent to effectively remove impurities on the surface of wafers and ensure the stability of electronic components. It shows unique value in different application fields and contributes greatly to the development of modern industry.

Research & Development

Hexamethyldisiloxane, silicone compounds are also. We have been studying this substance for a long time to observe its properties, uses and development trends. This compound has low surface tension and high chemical stability, and is widely used in the chemical industry.
In the past, the preparation process of Hexamethyldisiloxane was complicated and costly. However, today is different from the past. After the unremitting exploration of our researchers, the new method has gradually matured, the cost has been controlled, and the yield has also increased.
In the application level, it has made a name for itself in the paint, cosmetics, electronics and other industries. It can increase the leveling and gloss in coatings; help to adjust the texture and stability in cosmetics; it is a key material in the electronics industry. Looking to the future, Hexamethyldisiloxane will expand more application areas and achieve greater development due to the advancement of science and technology.

Toxicity Research

Hexamethyldisiloxane, chemical substances are also. Our generation takes poison research as a service to detect the toxicity of this Hexamethyldisiloxane. It is commonly used in many fields of industry, but the investigation of toxicity is related to the safety of people and the environment.
After research, although Hexamethyldisiloxane is not highly toxic, it should not be ignored. If the human body touches it, it may cause skin, eye irritation. Inhalation of its qi, or respiratory discomfort. And it may have potential effects in the environment.
In order to ensure the safety of people and the environment, it is essential to study the rules of its toxicity and properly determine the prevention and treatment methods. Hope that all operators can pay attention to it and follow the rules to avoid poisoning.

Future Prospects

Hexamethyldisiloxane, it is also a new existence in today's chemical substances. Looking at its current situation, its use is becoming more and more extensive, and it occupies a place in the silicone industry.
Looking to the future, its development may have multiple good times. With the advancement of science and technology, the higher the requirements for its purity and characteristics in the field of electronics, Hexamethyldisiloxane must respond to this change and develop new methods for making high-quality products. Industrial manufacturing also seeks high efficiency and energy conservation, which may play an important role in process improvement, becoming the key to improving production and reducing consumption. Furthermore, the voice of environmental protection is growing, Hexamethyldisiloxane or in green synthesis to meet the needs of the world.
All these show that Hexamethyldisiloxane future development is bright and full of variables, waiting for our chemical researchers to explore and develop its endless potential.

Where to Buy Hexamethyldisiloxane in China?

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

Frequently Asked Questions

As a leading Hexamethyldisiloxane 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 Hexamethyldisiloxane?

Hexamethyldisiloxane, that is, hexamethyldisiloxane. It has a wide range of uses and has many important applications in the chemical industry. First, in the synthesis of silicone, this is a key intermediate. Many silicone compounds can be prepared by its reaction. If condensation reactions occur with other silane reagents, more complex siloxane structures can be constructed, which is of great significance in the preparation of high-performance silicone polymers. Silicone polymers are often used in the manufacture of high-end materials due to their excellent heat resistance, weather resistance and chemical stability. Second, in the cosmetic industry, hexamethyldisiloxane is also very popular. Because of its good volatility and spreading, it can make cosmetics easier to apply evenly and give the skin a silky feel. And it can enhance the waterproof performance of cosmetics and make makeup last longer. Third, in the field of electronics industry, it also has its shadow. Can be used as a cleaning agent to effectively remove oil and impurities on the surface of electronic components to ensure stable performance of electronic components. Because of its relatively stable chemical properties, it is not easy to cause corrosion damage to electronic components. Fourth, in the paint and ink industry, it can be used as an additive. After adding, it can improve the leveling and gloss of paints and inks, and enhance the quality and appearance of products. And it helps to reduce the surface tension of the system, so that the paint and ink can better adhere to the surface of the substrate.

What are the physical properties of Hexamethyldisiloxane?

Hexamethyldisiloxane is also a silicone compound. Its physical properties are particularly important, related to its use and performance. First properties, under normal circumstances, hexamethyldisiloxane is a colorless and transparent liquid, with a clear appearance, no variegated or muddy. Its smell has a weak special smell, not pungent, but has a unique taste, which can be based on this. Secondary and boiling point, about 100.1 ° C. At this temperature, hexamethyldisiloxane changes from liquid to gaseous state. In chemical production, separation and purification, the boiling point is a key parameter. According to this, the process conditions can be set to achieve the purpose of separation or purification. Furthermore, the melting point is about -77 ° C. When the temperature reaches this point, it changes from a solid state to a liquid state. The low melting point makes it mostly liquid at room temperature, making it easy to transport, store and use. Its density is about 0.765g/cm ³, which is lighter than water. It is placed in water and floats on the surface of the water. This characteristic can be operated according to the difference in density in liquid-liquid separation or mixing systems. The solubility of hexamethyldisiloxane is also characterized. It is insoluble in water and is a single phase in water. It can be miscible with most organic solvents, such as ethanol, ethyl ether, benzene, etc. This solubility makes it a good solvent in organic synthesis. It can help the reactants to mix and contact and promote the reaction. The surface tension is low, which makes the surface of the material have good spreadability and wettability. It can be used in coatings, inks and other fields to make the product evenly coated and improve quality. The vapor pressure of hexamethyldisiloxane has a corresponding value at a specific temperature, which is related to its volatilization rate. The vapor pressure is suitable, and it volatilizes moderately under certain conditions. It is crucial for some application scenarios where the volatilization rate needs to be controlled, such as aerosol products.

Hexamethyldisiloxane What are the precautions during storage and transportation?

Hexamethyldisiloxane, the Chinese name of hexamethyldisiloxane, this thing is in the process of storage, there are general matters to be paid attention to. The storage, the first heavy environment. It should be placed in the room, the fire, the source. Because of its flammability, in case of open fire, high temperature can cause combustion explosion. It should not exceed 37 ° C, keep the container sealed. And the oxidizer, acid, and other parts of the storage, do not mix. There is no leakage of emergency treatment and containment materials, in order to prevent the leakage can be quickly dealt with, to avoid harm. The problem, there are also many. In summer, it is best to wait in the morning and evening to prevent the risk from increasing due to high temperature. The tank (tank) used in the warehouse does not have a grounding tank, and the tank can be baffled with holes to generate less shock and avoid accidents. It is forbidden to mix oxidation, acid, oil, edible chemicals, etc. On the way, it is necessary to prevent exposure, rain, and high temperature. Stop for a fire, gas source, and high temperature. The exhaust pipe of the warehouse must be equipped with a fire resistance device, and it is forbidden to use the equipment and tools that are easy to make sparks. The highway should follow a fixed route, and do not stay in residential and densely populated areas. Water should be prevented from leaking into the water. If there is a leak, the water will be harmful.

Hexamethyldisiloxane impact on the environment

Hexamethyldisiloxane (hexamethyldisiloxane), organosilicon compounds are also. Its impact on the environment is related to ecology and human health, and cannot be ignored. If this substance is released into the atmosphere, it will disturb the air quality because of its volatility or participation in photochemical reactions. In the troposphere, or with free radicals, it will cause ozone and other pollutants to form, affecting the chemical balance of the atmosphere. And its volatilization and dissipation, or long-distance transmission, are widely distributed in different regional environments. If it enters the water body, hexamethyldisiloxane will settle to the bottom of the water due to its hydrophobicity, or adhere to suspended particles, and accumulate in the bottom mud. This has a great impact on aquatic ecology, or causes poisoning to aquatic organisms, interfering with their physiological processes, such as affecting the respiratory and reproductive functions of fish. Its long-term existence in water bodies may also change the chemical properties of water bodies and affect the stability of aquatic ecosystems. In soil, hexamethyldisiloxane or adsorbed on soil particles, affecting the activities of soil microorganisms. Microorganisms are the key to soil ecology. If their activity is suppressed, soil material circulation, nutrient transformation and other functions are involved, which in turn affects vegetation growth. Hexamethyldisiloxane is refractory to degradation in the environment, can be retained for a long time, and is transmitted and enriched through the food chain. After ingestion by low-level organisms, they accumulate layer by layer through the food chain, and the concentration in high-level organisms gradually increases, eventually endangering human health, or causing human endocrine disorders, organ damage and other diseases. Therefore, it has a far-reaching impact on the environment. When producing and using, it should be handled with caution and proper prevention and control to reduce its harm to the environment.

What is the market price range for Hexamethyldisiloxane?

Hexamethyldisiloxane, that is, hexamethyldisiloxane. Its market price range often changes for a variety of reasons. Looking at the past, the price of hexamethyldisiloxane is influenced by factors such as raw material supply, market demand and process technology. If the supply of silicon sources is sufficient and stable, the process is refined, and the production cost is reduced, the price may become more affordable. On the contrary, if the raw materials are scarce, or the process is blocked, the cost will rise, and the price will be high. Furthermore, market demand has a huge impact on its price. When the electronics, chemical and other industries are booming, the demand for hexamethyldisiloxane has increased sharply, and the supply is in short supply, and its price has also risen. However, the development of the industry is stagnant, demand has dropped sharply, and prices have a downward trend. For the time being, the market price of hexamethyldisiloxane is roughly between 50 and 200 yuan per kilogram. However, this is only an approximate number, and the actual price may vary due to differences in quality, purchase volume, and regions. Those with high quality may have slightly higher prices; those with large purchases may get preferential prices; in different regions, due to transportation costs, etc., prices will also vary. To know the accurate market price, it is necessary to carefully observe market dynamics and consult from multiple parties.