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CAS #
107-51-7
| Chemical name | Octamethyltrisiloxane |
| Brand number | MM-201(1) |
| Product Name | MM-201(1) |
| Quality indicators | Purity≥ 99.0% |
| Packaging specification/kg | 20. 160 |
| Molecular weight | 236.5 |
| Boiling point | 153 |
| Density | 0.82 |
| Refractive index | 1.3840~1.3860 |
| Appearance and risk | Flammable liquid |
| Product application | Used in cosmetics and personal care products, easy to absorb and lubricate the skin; It is used in industry as lubricant, waterproof agent, plastic and rubber auxiliaries, etc. |
The primary advantage of Octamethyltrisiloxane lies in its exceptional performance as a volatile carrier in personal care and cosmetic formulations. Its exceptionally low viscosity and surface tension allow it to spread into a thin, uniform film with unparalleled ease. The most defining characteristic of Octamethyltrisiloxane, however, is its rapid and clean evaporation from surfaces at ambient temperatures. This transient nature is crucial in products like antiperspirants, hair sprays, and skin care formulations, where it facilitates the even distribution of active ingredients or pigments and then quickly evaporates, leaving behind no greasy residue or feel. The light, dry sensory profile imparted by Octamethyltrisiloxane significantly enhances the user experience, making it a cornerstone of high-quality cosmetic products. The reliable volatility of Octamethyltrisiloxane is fundamental to its functionality.
Beyond personal care, Octamethyltrisiloxane serves as a critical intermediate in the synthesis of more complex silicone-based materials. Its well-defined molecular structure with reactive end groups makes it a fundamental building block, or monomer, in the production of modified siloxanes, silicone copolymers, and high-molecular-weight polymers. The controlled polymerization and chain-extension reactions involving Octamethyltrisiloxane allow chemists to precisely engineer the properties of the final silicone product, such as its viscosity, flexibility, and thermal stability. This role as a versatile chemical precursor makes Octamethyltrisiloxane an essential raw material in the silicone manufacturing value chain, enabling the creation of a wide array of custom silicone oils, resins, and elastomers.
Classification:
Key words:
Octamethyltrisiloxane
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