Hexamethyldisiloxane with Cas 107-46-0
What is Hexamethyldisiloxane?
Hexamethyldisiloxane (silicone ether, MM capping agent), colorless and transparent liquid, easily deliquescent. Insoluble in water, soluble in various organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixative, analytical reagent, hydrophobic agent, etc. Prepared by hydrolysis of trimethylchlorosilane.
Hexamethyldisiloxane is an important primary raw material for organosilicon, often used as a capping agent in the production of organosilicon silicone oil, or as a cleaning agent for silicone rubber, pharmaceuticals, gas chromatography fixatives, analytical reagents, hydrophobic agents, and medical electronic components.
The Si-O-Si bond in the molecular chain structure of hexamethyldisiloxane has a high chemical bond energy (460.5 kJ/mol), and the polydimethylsiloxane prepared from it as a capping agent has good thermal and chemical stability.
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Recommended
Dosage:(exact dosage should be subject to customer’s finial product formulation.)
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
- As a sealing agent, cleaning agent, and stripping agent, it is mainly used in organic chemical and pharmaceutical production.
- Used as a hydrophobic agent, insulation material, and moisture-proof agent.
- Used for circulating cooling fluids in instruments and manufacturing various organic silicon products, also known as hydrophobic agents, used for surface treatment of fiber fabrics, insulation and moisture resistance of wireless components. It is also used as a stationary liquid for gas chromatography.
- As a sealing agent, cleaning agent, and stripping agent, it is mainly used in organic and pharmaceutical chemical production.
- Used as a sealing agent in silicone oil production and also as a raw material for silazane.
Hexamethyldisiloxane Package & Storage
- Package: 25kg/drum; 200kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
