Hey there! I'm a supplier of Divinyldimethylsilane, and today I wanna chat about what happens when this cool chemical is exposed to air.
First off, let's understand a bit about Divinyldimethylsilane. It's a colorless liquid with a distinct smell. Chemically, its formula is C₆H₁₂Si, and it's got some unique properties that make it useful in various industries, like in the production of silicone rubbers and adhesives.
When Divinyldimethylsilane is exposed to air, a few things start to happen. One of the most significant reactions is oxidation. The oxygen in the air reacts with the silicon - carbon bonds in Divinyldimethylsilane. Over time, this oxidation process can lead to the formation of new compounds.
The first stage of oxidation often results in the formation of silanols. Silanols are compounds that contain a silicon - oxygen - hydrogen group. These silanols are more reactive than the original Divinyldimethylsilane. They can further react with other molecules in the air or with each other.

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If the silanols react with each other, they can form siloxane bonds. Siloxane bonds are the building blocks of many silicone - based materials. For example, the reaction between silanols can lead to the formation of Tetramethyldisiloxane. This is a common intermediate in the silicone industry. It's a volatile liquid with a low boiling point, and it's used in various applications, such as in the production of Methyl - ethyloxy Silicone Oil.
Another aspect to consider is the impact of humidity in the air. Moisture can accelerate the oxidation and hydrolysis reactions of Divinyldimethylsilane. When water molecules come into contact with Divinyldimethylsilane, they can break the silicon - carbon bonds, leading to the formation of more silanols. This process is called hydrolysis.
The presence of impurities in the air can also affect the reaction. For instance, if there are trace amounts of metal particles or other reactive compounds in the air, they can act as catalysts. Catalysts speed up chemical reactions without being consumed themselves. In the case of Divinyldimethylsilane exposed to air, these catalysts can increase the rate of oxidation and hydrolysis, leading to a more rapid change in the chemical composition of the Divinyldimethylsilane.
The temperature of the air also plays a crucial role. Higher temperatures generally increase the rate of chemical reactions. So, if Divinyldimethylsilane is exposed to warm air, the oxidation and hydrolysis processes will happen more quickly compared to when it's in cold air.
As the oxidation and hydrolysis reactions progress, the physical properties of Divinyldimethylsilane also change. Its viscosity may increase as more siloxane bonds are formed. The color might also change slightly, becoming a bit cloudy or taking on a yellowish tint. These changes in physical properties can have a significant impact on its usability.
In industrial applications, the change in properties of Divinyldimethylsilane due to air exposure can be a big deal. For example, in the production of silicone rubbers, the exact chemical composition and properties of Divinyldimethylsilane are crucial for achieving the desired product characteristics. If the Divinyldimethylsilane has been exposed to air for too long and its properties have changed, it may not react as expected with other ingredients, leading to a sub - standard final product.
On the other hand, in some cases, the reactions that occur when Divinyldimethylsilane is exposed to air can be harnessed for specific purposes. For example, in the synthesis of certain Octamethyl Cyclotetrasiloxane - based materials, the initial oxidation and hydrolysis steps can be controlled to produce the desired intermediate compounds.
To prevent unwanted reactions when storing Divinyldimethylsilane, it's important to keep it in a sealed container, away from air and moisture. This helps to maintain its purity and original properties for as long as possible.
Now, if you're in the market for high - quality Divinyldimethylsilane, I'm here to help. As a supplier, I can offer you top - notch products that meet your specific requirements. Whether you're using it for research, small - scale production, or large - scale industrial applications, I've got you covered. If you have any questions about Divinyldimethylsilane, its properties, or how it might react in your particular situation, feel free to reach out. We can have a detailed discussion about your needs and find the best solution for you.
So, don't hesitate to get in touch if you're interested in purchasing Divinyldimethylsilane. Let's start a conversation and see how we can work together to make your projects a success.
References
- Smith, J. (2018). "Chemistry of Silicones". New York: Chemical Press.
- Johnson, A. (2020). "Industrial Applications of Silane Compounds". London: Industrial Science Publishers.



