In the wonderful world of chemistry, there are many substances that play unique and important roles, and hexamethylcyclotriosiloxane is one of them.
Hexamethylcyclotriosiloxane has multiple aliases, such as cyclotrimeric dimethylsiloxane, 1,1,3,3,5,5-hexamethylcyclotriosilazane, etc. Its CAS number is 541-05-9. From the molecular formula C6H18O3Si3, molecular weight 222.46200, and exact mass 222.05600, it can be seen that it has a specific chemical composition structure.
Visually, it appears as a colorless to white crystalline powder with a density of 1.02. It has a clear melting point range of 50-64 ° C (lit.), a boiling point of 134 ° C (lit.), a flash point of 95 ° F, and a refractive index of 1.417. These physical properties determine its performance in different environments.
It has a wide range of applications, not only for synthesizing common organic silicon polymers, but also as a key raw material for preparing special organic silicon compounds. For example, in industrial production, it can transform into various surface treatment agents to help improve the surface properties of materials, making them more hydrophilic or hydrophobic; As a coupling agent, it can build a "bridge" between different materials and enhance the bonding strength between them; When acting as a crosslinking agent, it can also enable the polymer to form a more stable and high-performance network structure.
In terms of synthesis, it usually starts from dimethyldichlorosilane and undergoes a series of complex processes such as hydrolysis, condensation, and subsequent separation and distillation to obtain pure hexamethylcyclotriosiloxane. Moreover, it has numerous upstream and downstream products, which are related to numerous links in the entire silicone industry.
However, we also need to be aware that it has certain risks and belongs to flammable and irritating substances. Therefore, when storing, it should be strictly placed in a cool, dry, well ventilated place, away from fire and heat sources. Proper protective measures should be taken during operation to prevent harm to the human body. In summary, although hexamethylcyclotriosiloxane plays a significant role in industrial and other fields, its use and storage should be handled with caution.
Product Introduction: "Hexamethylcyclotriosiloxane - a powerful assistant in the field of organosilicon"
In the current booming trend of the chemical industry, hexamethylcyclotriosiloxane has become an indispensable and important product in the field of organosilicon due to its unique properties and diverse uses.
Firstly, let's understand its basic characteristics. It has a standardized chemical label, with the Chinese name being hexamethylcyclotriosiloxane, and other aliases such as cyclotrimeric dimethylsiloxane, making it convenient for people to refer to it in different scenarios. Its CAS No. 541-05-9 is as unique as its "ID card number". The molecular formula C6H18O3Si3 determines its intrinsic chemical structure, and its molecular weight of 222.46200 and precise mass of 222.05600 further refine its chemical properties.
From the appearance, it appears as a colorless to white crystalline powder, which makes it more visually recognizable. The density is 1.02, the melting point is between 50-64 ° C (lit.), the boiling point is 134 ° C (lit.), the flash point is 95 ° F, and the refractive index is 1.417. These physical parameters allow it to be accurately controlled in different processing and usage stages.
When it comes to its uses, they are truly diverse and colorful. In the field of synthesis of organic silicon polymers, it is a fundamental and critical raw material, and the birth of many organic silicon rubber, resin, silicone oil and other products cannot be separated from its participation. Not only that, it can also transform into various surface treatment agents. For example, during metal surface treatment, it can form a special protective film on the metal surface, improving the metal's corrosion resistance and oxidation resistance; As a coupling agent, it can perfectly combine inorganic and organic materials, such as allowing glass fibers and resins to blend better, enhancing the overall performance of composite materials; In terms of crosslinking agents, they can form crosslinked structures between the molecular chains of some polymers, significantly improving the strength, toughness, and other properties of the material.
In the production process, it starts from upstream raw materials such as dimethyldichlorosilane, undergoes complex and refined chemical reactions and purification steps, and finally becomes the high-quality product we need. At the same time, its downstream products have further expanded to numerous industries, contributing to the progress of materials science and other fields.
Of course, when using and storing it, we must follow relevant safety regulations, as it carries hazardous characteristics such as flammability and irritability. Only under the premise of ensuring safety can the enormous value of hexamethylcyclotriosiloxane in the organosilicon industry be fully utilized, and it can continue to contribute to the high-quality development of the industry.

Room termperature curing polysilazane, pls check IOTA 9150, IOTA 9150K.       
High termperature curing polysilazane, pls check IOTA 9108, IOTA 9118.