Diethoxy(methyl)phenylsilane
Diethoxy(methyl)phenylsilane (CAS: 775-56-4), with the molecular formula C6H5Si(OC2H5)2CH3 and a molecular weight of 210.34 g/mol, is an organosilicon compound. It finds utility in chemical synthesis and materials science. Its properties make it suitable for applications in micro/nanoelectronics and self-assembly processes.
- IUPAC
- Methyl-phenyl-diethoxysilane

Chemical Synthesis
As an organosilicon reagent, Diethoxy(methyl)phenylsilane can be employed as a building block or intermediate in various organic synthesis pathways, particularly where silicon incorporation is desired.
Materials Science and Micro/Nanoelectronics
This compound's silane structure suggests potential applications in surface modification, thin film deposition, and the development of advanced materials for electronic devices.
Self-Assembly Processes
Silanes are often utilised in self-assembly techniques for creating ordered molecular layers. Diethoxy(methyl)phenylsilane may be applicable in creating specific surface functionalities.
| Molecular weight | 210.34 |
|---|---|
| Linear formula | C6H5Si(OC2H5)2CH3 |
| Assay | 97% |
| Boiling point | 117 °C/31 mmHg(lit.) |
| Density | 0.963 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.47(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 89 °C / 192.2 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Diethoxy(methyl)phenylsilane (CAS 775-56-4) used for?
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Diethoxy(methyl)phenylsilane is used in chemical synthesis, materials science, micro/nanoelectronics, and potentially in self-assembly processes. It serves as an organosilicon building block.
What are the CAS number and molecular formula for Diethoxy(methyl)phenylsilane?
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The CAS number is 775-56-4, and the molecular formula is C6H5Si(OC2H5)2CH3.
What grade and purity does Tech Serve Solutions supply for Diethoxy(methyl)phenylsilane?
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Tech Serve Solutions supplies Diethoxy(methyl)phenylsilane with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with Diethoxy(methyl)phenylsilane?
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Diethoxy(methyl)phenylsilane is a Warning substance, classified with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and suitable gloves and respirators, should be used when handling.
How is Diethoxy(methyl)phenylsilane packed, shipped, and exported?
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Diethoxy(methyl)phenylsilane is packed, shipped, and exported by Tech Serve Solutions in compliance with relevant regulations for hazardous materials, including ADR considerations (NA 1993 / PGIII).
How can I request a sample or a quote for Diethoxy(methyl)phenylsilane?
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To request a sample or a quote for Diethoxy(methyl)phenylsilane, please contact our sales team via the website or direct enquiry channels.
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