![Molecular structure of [Ethoxy(dimethyl)silyl]methyl methacrylate (CAS 5577-70-8)](/images/chem_structures_svg/249/5577-70-8.svg)
[Ethoxy(dimethyl)silyl]methyl methacrylate
Also known as: (Methacryloxymethyl)dimethylethoxysilane, (Dimethylethoxysilyl)methyl methacrylate, Methacryloyloxymethyldimethylethoxysilane, 2-Propenoic acid, 2-methyl-, (ethoxydimethylsilyl)methyl ester, Ethoxy(dimethyl)silylmethyl methacrylate, Methacrylic acid, (ethoxydimethylsilyl)methyl ester
[Ethoxy(dimethyl)silyl]methyl methacrylate (CAS 5577-70-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H18O3Si and a molecular weight of 202.323 g/mol. Key properties include a melting point of <0ºC, a boiling point of 200.3±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 62.4±18.2 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 5577-70-8
- Jingsj CID
- J-1318135-6
- Molecular Formula
- C9H18O3Si
- Molecular Weight
- 202.323 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 200.3±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 62.4±18.2 °C |
| Exact Mass | 202.102524 |
| PSA | 35.53000 |
| LogP | 3.42 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.424 |
| Storage Conditions | below 5° C |
Frequently Asked Questions
What is the CAS number of [Ethoxy(dimethyl)silyl]methyl methacrylate?
The CAS number of [Ethoxy(dimethyl)silyl]methyl methacrylate is 5577-70-8.
What are the molecular formula and molecular weight of [Ethoxy(dimethyl)silyl]methyl methacrylate?
[Ethoxy(dimethyl)silyl]methyl methacrylate has molecular formula C9H18O3Si and molecular weight 202.323 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "[Ethoxy(dimethyl)silyl]methyl methacrylate (CAS 5577-70-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318135-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.