Hexamethyldisiloxane with CAS 107-46-0
What is Hexamethyldisiloxane?
Hexamethyldisiloxane (HMDSO), with CAS number 107-46-0, is a premium organosilicon compound widely recognized for its exceptional versatility in industrial applications.
This linear disiloxane features a Si-O-Si backbone with methyl groups attached to each silicon atom, giving it unique chemical properties that make it invaluable in coating technologies, semiconductor manufacturing, pharmaceutical synthesis, and polymer production. Our hexamethyldisiloxane is manufactured using advanced distillation processes to ensure consistent quality and minimal impurities.
HMDSO serves as an essential building block in silicone chemistry and acts as a highly effective surface treatment agent, offering superior hydrophobicity and protective characteristics. Its low viscosity and excellent spreading properties make it ideal for applications requiring uniform coverage and penetration.
Runtai Chemical is a professional and reliable China manufacturer of Hexamethyldisiloxane with CAS 107-46-0 with higher purity and lower price. If you are interested in our Hexamethyldisiloxane, PLS free to contact us for a free sample!
Product Advantages
- Excellent Hydrophobicity: Provides superior water repellent properties, making it ideal for protective coatings, surface modification, and moisture barrier applications.
- Chemical Stability: Demonstrates outstanding chemical resistance and thermal stability, maintaining performance across a wide range of temperatures and pH conditions.
- Low Viscosity: Low viscosity profile enables easy handling, excellent substrate penetration, and uniform film formation in coating applications.
- Environmentally Friendly: Low VOC emissions and minimal environmental impact compared to traditional organic solvents, supporting sustainable manufacturing practices.
Hexamethyldisiloxane Quick details
- Chemical Name:Hexamethyldisiloxane
- CAS No.: 107-46-0
- EINECS: 203-492-7
- Molecular Fomula: C6H18OSi2
- Molecular weight: 162.38
- Appearance:Colorless transparent liquid
- Assay:99.9%
- Synonyms:os10;oxybis(trimethyl-silan;Oxybis(trimethylsilane);Silane, oxybis(trimethyl)-;sws-f221;SILICONE FLUID;2,2,4,4-TETRAMETHYL-3-OXA-2,4-DISILAPENTANE;HMDO
Hexamethyldisiloxane Typical Properties
| Item | Specification | Results |
| Appearance | Colorless transparent liquid | Conforms |
| Purity | 99.9% | 99.93% |
| Odor | No odor | No odor |
| Viscosity 25℃ ,nm2 /s | 0.60-0.70 | 0.65 |
| Refractive index 25℃ | 1.372-1.378 | 1.3756 |
| Acid value μg/g | ≤20 | 0.2 |
| Conclusion | The results conforms with enterprise standards | |
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Hexamethyldisiloxane Applications
- Semiconductor Manufacturing: Used in PECVD processes for depositing silicon oxide thin films, serving as a precursor in microelectronics fabrication and integrated circuit production.
- Protective Coatings: Essential component in hydrophobic coatings, anti-corrosion treatments, and surface modification agents for metal, glass, and ceramic substrates.
- Pharmaceutical Industry: Utilized as a derivatization reagent in analytical chemistry and as an intermediate in pharmaceutical synthesis and API production.
- Silicone Polymer Production: Functions as a chain terminator and starting material in the synthesis of polydimethylsiloxane (PDMS) and other silicone-based polymers.
- Analytical Chemistry: Employed in gas chromatography as a derivatization agent for improving volatility of polar compounds and enhancing detection sensitivity.
- Construction Materials: Added to concrete, mortar, and masonry products to impart water repellency and improve durability against weathering and moisture damage.
- Electronics & Display: Applied in the manufacturing of flexible displays, touch screens, and electronic components requiring moisture barrier properties.
- Paint & Ink Industry: Incorporated into formulations to improve water resistance, surface smoothness, and anti-blocking properties of coatings and printing inks.
Hexamethyldisiloxane Package & Storage
- Package: 25kg/drum; 200kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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