For chemists and materials scientists engaged in the synthesis and formulation of advanced materials, understanding the unique properties of key intermediates is paramount. 1,3-Di-n-octyltetramethyldisiloxane (CAS 18642-94-9) stands out as a versatile organosilicon compound with a molecular structure that lends itself to a variety of industrial applications. This article aims to provide a comprehensive overview of its chemical profile and practical uses, emphasizing the importance of sourcing from a dependable manufacturer.

At its core, 1,3-Di-n-octyltetramethyldisiloxane is a linear siloxane featuring two silicon atoms linked by an oxygen atom. Each silicon atom is bonded to two methyl groups and one n-octyl group, with the remaining valency occupied by the oxygen bridging the two silicon atoms. This molecular arrangement (C20H46OSi2) results in a compound with notable hydrophobic characteristics due to the long alkyl chains. Typically appearing as a clear liquid, it has a density of 0.891 and a boiling point between 122-125°C at 0.2 mmHg. Its high purity, often specified at 95% or greater, ensures its utility in precise chemical processes. The relatively high flash point, above 110°C, also contributes to its manageable safety profile in an industrial setting.

The chemical versatility of 1,3-Di-n-octyltetramethyldisiloxane makes it a valuable component in numerous applications. As a silicone intermediate, it can be used in the synthesis of polymers and resins where enhanced flexibility, thermal stability, and water repellency are desired. For chemists formulating specialty lubricants or coatings, its oleophobic properties can be exploited to reduce friction or improve surface characteristics. In personal care products, such as emollients or conditioning agents, its smooth feel and ability to form a protective barrier are highly valued.

The procurement of such specialized chemicals requires careful consideration of the supplier. A reputable manufacturer ensures that the product meets the advertised specifications, which is crucial for reproducible results in research and reliable performance in commercial products. When you are seeking to buy 1,3-Di-n-octyltetramethyldisiloxane, understanding the manufacturer's commitment to quality control and supply chain integrity is vital. Our company specializes in providing high-purity organosilicon compounds, including CAS 18642-94-9, to meet the exacting standards of chemists and formulators.

For chemists and procurement specialists looking for a trusted supplier of 1,3-Di-n-octyltetramethyldisiloxane in China, we offer a reliable source. We invite you to inquire about pricing and availability to integrate this valuable siloxane into your next project. Partnering with us means securing a quality ingredient backed by expert knowledge in silicone chemistry.