Dimethoxy(methyl)octylsilane
Dimethoxy(methyl)octylsilane (CAS 85712-15-8), with the molecular formula C11H26O2Si and a molecular weight of 218.41 g/mol, is an organosilicon compound. It is primarily utilised as a precursor in materials science and chemical synthesis, particularly in the development of self-assembly materials and in micro/nanoelectronics applications. This silane serves as a valuable building block for surface modification and the creation of specialised coatings.
- IUPAC
- Methyl-octyldimethoxysilane,Octylmethyldimethoxysilane

Materials Science
Utilised in the development and modification of advanced materials, particularly in self-assembly processes. Its properties lend themselves to creating novel surface functionalities and structured materials.
Chemical Synthesis
Serves as a versatile intermediate in organic and organometallic synthesis. It can be employed in reactions requiring specific silicon-containing functional groups.
Micro/Nanoelectronics
Applicable in the fabrication of microelectronic and nanoelectronic devices. It can be used for surface treatments, passivation layers, or as a component in deposition precursors.
Surface Modification
This silane is effective for modifying the surface properties of various substrates, enabling tailored interactions and performance in diverse applications.
| Molecular weight | 218.41 |
|---|---|
| Empirical formula | C11H26O2Si |
| Assay | ≥95.0% (GC) |
| Density | 0.863 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.421(lit.) |
| Vapour pressure | 1.23 mmHg (54.4 °C) |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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 Dimethoxy(methyl)octylsilane used for?
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Dimethoxy(methyl)octylsilane (CAS 85712-15-8) is used in materials science and chemical synthesis, particularly for self-assembly materials, micro/nanoelectronics, and surface modification.
What are the CAS number and formula for Dimethoxy(methyl)octylsilane?
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The CAS number is 85712-15-8 and the empirical formula is C11H26O2Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethoxy(methyl)octylsilane with a purity of ≥95.0% (GC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Dimethoxy(methyl)octylsilane be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. It has a flash point of 90 °C (194 °F) and is classified under WGK Germany 3.
How is Dimethoxy(methyl)octylsilane packed and shipped?
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Dimethoxy(methyl)octylsilane is packed and shipped according to relevant transport regulations, including NA 1993 / PGIII classification.
How can I request a quote or sample of Dimethoxy(methyl)octylsilane?
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To request a quote or sample of Dimethoxy(methyl)octylsilane, please contact our sales department through the website or your dedicated account manager.
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