Decamethyltetrasiloxane
Decamethyltetrasiloxane (CAS: 141-62-8) is a linear siloxane with the molecular formula (CH3)3SiO[Si(CH3)2O]2Si(CH3)3 and a molar mass of 310.69 g/mol. This colourless liquid is a key intermediate in organosilicon chemistry. It finds utility in various chemical synthesis applications, serving as a building block for more complex silicon-containing materials and polymers. Its properties make it a valuable reagent in research and industrial settings.
![Decamethyltetrasiloxane ((CH3)3SiO[Si(CH3)2O]2Si(CH3)3) — chemical structure, CAS 141-62-8; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F141-62-8.png&w=3840&q=75)
Chemical Synthesis Intermediate
Decamethyltetrasiloxane serves as a fundamental building block in the synthesis of various organosilicon compounds. It is employed in the preparation of silicone polymers and other silicon-based materials for diverse industrial applications.
Organosilicon Chemistry
As a member of the siloxane family, this compound is integral to organosilicon research and development. It facilitates the creation of specialised materials with unique thermal, electrical, and mechanical properties.
Reagent in Material Science
The unique structure and reactivity of decamethyltetrasiloxane make it a useful reagent for developing novel materials. It can be incorporated into polymer backbones or used to modify surface properties.
| Molecular weight | 310.69 |
|---|---|
| Linear formula | (CH3)3SiO[Si(CH3)2O]2Si(CH3)3 |
| Assay | 97% |
| Boiling point | 194 °C(lit.) |
| Density | 0.854 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.389(lit.) |
| Vapour density | >1 (vs air) |
| Melting point | −68 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Decamethyltetrasiloxane used for?
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Decamethyltetrasiloxane is primarily used as an intermediate in chemical synthesis, particularly within organosilicon chemistry and material science for the development of silicone-based materials and polymers.
What is the CAS number and chemical formula for Decamethyltetrasiloxane?
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The CAS number for Decamethyltetrasiloxane is 141-62-8. Its linear formula is (CH3)3SiO[Si(CH3)2O]2Si(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Decamethyltetrasiloxane with an assay of 97%. This product is not represented as USP, BP, or EP grade.
How should Decamethyltetrasiloxane be handled safely?
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Handling Decamethyltetrasiloxane requires appropriate personal protective equipment, including safety glasses and gloves. In areas with potential exposure, use approved respiratory protection. It has a flash point of 62 °C (143.6 °F), indicating it is a combustible liquid and should be handled away from ignition sources.
How is Decamethyltetrasiloxane packed, shipped, and exported?
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Decamethyltetrasiloxane is carefully packed to ensure integrity during transit. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant shipping and regulatory requirements.
How can I request a sample or quote for Decamethyltetrasiloxane?
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To request a sample or a quote for Decamethyltetrasiloxane, please contact our sales department through the website or by phone, providing your specific requirements.
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