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Hexamethyldisiloxane
| Chemical name | Hexamethyldisiloxane |
| Brand | MM |
| Product Name | MM |
| Quality index | Purity ≥99.0%/99.5%/99.9%, moisture ≤50ppm/200ppm/300ppm, chloride ≤1ppm/5ppm/10ppm, chroma ≤10/10/20 |
| Packing size /kg | 20、150 |
| Molecular weight | 162.38 |
| Boiling point | 101 |
| Density | 0.762~0.770 |
| Refractive index | 1.375~1.379 |
| Appearance and risk | Colorless transparent liquid;Flammable liquid |
| Product application | As a sealing agent, release agent, cleaning agent, used in silicone rubber, medicine, hydrophobic agent and moisture-proof agent. |
The personal care and cosmetics industries value Hexamethyldisiloxane for its unique sensory properties and compatibility with skin. As a volatile silicone fluid, it provides a lightweight, non-greasy feel in cosmetic formulations, contributing to smooth application and quick drying in products such as antiperspirants, sunscreens, and hair care preparations. Its excellent spreading characteristics enhance product performance while improving skin feel, and its chemical inertness ensures compatibility with a wide range of cosmetic ingredients. Furthermore, HMDSO acts as a carrier fluid in personal care products, helping to evenly distribute active ingredients while evaporating cleanly without residue.
Industrial applications of Hexamethyldisiloxane extend to its use as a lubricant and release agent in various manufacturing processes. Its low surface tension and thermal stability make it particularly effective in plastic and rubber molding operations, where it prevents sticking and facilitates clean part release. In precision machinery applications, HMDSO serves as a high-performance lubricant for delicate mechanisms where conventional oils might be too viscous or leave undesirable residues. The compound's chemical stability ensures it doesn't degrade or oxidize under normal operating conditions, maintaining its lubricating properties over extended periods.
From a chemical synthesis perspective, Hexamethyldisiloxane serves as a valuable starting material for producing more complex organosilicon compounds. Its reactivity with various organic and inorganic reagents allows for the creation of specialized siloxane polymers and functionalized silicone derivatives. Pharmaceutical researchers utilize HMDSO derivatives in drug formulation, where modified siloxanes can improve drug delivery characteristics or serve as inert excipients. The compound's role in specialty chemical production continues to expand as new applications are discovered in materials science and nanotechnology.
Safety and handling of Hexamethyldisiloxane are straightforward due to its relatively low toxicity and high flash point (approximately 27°C). While it should be handled with standard chemical precautions, its stability under normal conditions makes it easier to work with than many other industrial chemicals. Proper ventilation is recommended when using HMDSO in enclosed spaces, and standard personal protective equipment including gloves and eye protection should be employed during handling. The compound is typically stored in tightly sealed containers away from heat sources and oxidizing agents to maintain its quality and prevent moisture absorption.
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Jiancheng Production Base: No.37, Nianhua Road, High-tech Industrial Park, Quzhou, Zhejiang, China
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