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NINGBO INNO PHARMCHEM CO.,LTD. is a trusted provider of specialized chemical intermediates, including the highly versatile 1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane. Identified by CAS No. 17875-55-7, this organosilicon compound, also known as Ph2Si[OSiMe2H]2, is pivotal in numerous industrial applications, particularly within the silicone sector. This article details its properties and underscores its importance in modern material science.
1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane is a complex molecule with the chemical formula C16H24O2Si3 and a molecular weight of 332.62. It is characterized by its appearance as a colorless, clear liquid, indicating a high degree of purity, typically 97% minimum. The compound's physical attributes, such as a boiling point of 292°C (though other sources cite 81-83 °C at 4 mmHg for similar compounds, indicating potential variations in specific forms or experimental conditions) and a density of approximately 0.994 at 25°C, are critical for its effective use in chemical processes. These precise parameters are vital for formulation chemists and process engineers when integrating this compound into their production cycles.
The significance of 1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane extends to its role as a precursor and component in the synthesis of various high-performance silicone materials. It serves as a crosslinker for liquid silicone rubber (LSR) and phenyl silicone rubber, enhancing their thermal stability and resistance to harsh environments. This capability is highly valued in industries such as automotive, electronics, and medical devices, where the reliability of silicone components is paramount.
Moreover, this trisiloxane derivative is instrumental in the production of phenyl silicone resins. These resins offer superior thermal and oxidative stability compared to traditional silicone resins, making them suitable for demanding applications like high-temperature coatings, advanced sealants, and specialized adhesives. The incorporation of phenyl groups into the siloxane backbone, facilitated by compounds like 1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane, results in materials that can withstand extreme temperatures and prolonged exposure to UV radiation.
As a chemical intermediate, the consistent supply of high-purity 1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane from NINGBO INNO PHARMCHEM CO.,LTD. is crucial for manufacturers who depend on precise molecular building blocks for their innovative product development. The compound's contribution to the creation of advanced silicone materials highlights its essential role in pushing the boundaries of material science.
In conclusion, 1,1,5,5-tetramethyl-3,3-diphenyltrisiloxane (CAS 17875-55-7) is a compound of considerable industrial value. Its unique combination of physical properties and its function as a key intermediate in the production of high-performance silicone elastomers and resins solidify its importance. NINGBO INNO PHARMCHEM CO.,LTD. remains committed to supplying this vital chemical, supporting the ongoing evolution of silicone technology.
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