Tris(2-methoxyethoxy)(vinyl)silane
Tris(2-methoxyethoxy)(vinyl)silane (CAS: 1067-53-4) is an organosilicon compound with the linear formula (CH3OCH2CH2O)3SiCH=CH2 and a molecular weight of 280.39 g/mol. This chemical serves as a versatile building block in organic synthesis and materials science. It is valuable for creating advanced materials, including silsesquioxanes and POSS nanohybrids, due to its reactive vinyl group and silane functionality.
- IUPAC
- Vinyltris(2-methoxyethoxy)silane

POSS Precursors and Intermediates
This compound functions as a key precursor for the synthesis of Polyhedral Oligomeric Silsesquioxanes (POSS). Its structure allows for the incorporation of vinyl groups into POSS frameworks, enabling further functionalization.
Materials Science
It is utilised in the development of novel materials, particularly in the field of nanomaterials. The silane moiety allows for covalent attachment to surfaces or integration into polymer matrices, modifying material properties.
Organic Synthesis
As a functionalised silane, it is employed as a building block in complex organic syntheses. The vinyl group offers a site for various addition reactions, while the alkoxy groups can be hydrolysed and condensed.
Surface Modification
Tris(2-methoxyethoxy)(vinyl)silane can be used to modify the surfaces of inorganic materials or nanoparticles. This enhances compatibility with organic polymers or introduces specific reactive sites for subsequent chemical transformations.
| Molecular weight | 280.39 |
|---|---|
| Linear formula | (CH3OCH2CH2O)3SiCH=CH2 |
| Assay | 98% |
| Boiling point | 136.2 °C/5.5 mmHg(lit.) |
| Density | 1.034 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.43(lit.) |

Hazard statements
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 62 |
| Safety statements (S) | 36/37 |
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 Tris(2-methoxyethoxy)(vinyl)silane used for?
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Tris(2-methoxyethoxy)(vinyl)silane is primarily used as a precursor for Polyhedral Oligomeric Silsesquioxanes (POSS), in materials science for developing nanomaterials and modifying surfaces, and as a building block in organic synthesis.
What are the CAS number and formula for Tris(2-methoxyethoxy)(vinyl)silane?
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The CAS number is 1067-53-4 and the linear formula is (CH3OCH2CH2O)3SiCH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(2-methoxyethoxy)(vinyl)silane with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should Tris(2-methoxyethoxy)(vinyl)silane be handled safely?
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This compound is classified with GHS08 symbol and a 'Warning' signal word. It carries the hazard statement H361, indicating potential damage to fertility or the unborn child. Appropriate personal protective equipment includes eyeshields, face shields, and a full-face respirator with an ABEK type filter. It is also flammable with a flash point of 113 °C (235.4 °F).
How is Tris(2-methoxyethoxy)(vinyl)silane packed, shipped, and exported?
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Tris(2-methoxyethoxy)(vinyl)silane is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions, a trusted supplier since 1998.
How can I request a quote or sample of Tris(2-methoxyethoxy)(vinyl)silane?
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To request a quote or a sample, please contact the TSS sales team through our website or by phone. Our experts will promptly assist you with your requirements.
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