Diethoxydimethylsilane
Also known as: Dimethyldiethoxysilane, DMDES, CD5600, EXP-49, kbe22, Silane, diethoxydimethyl-, Diethoxy(dimethyl)silane, dimethylsilicondioxide, Dimethyl-diethoxysilan
Diethoxydimethylsilane (CAS 78-62-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H16O2Si and a molecular weight of 148.275 g/mol. Key properties include a melting point of -97°C, a boiling point of 114.0±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 11.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78-62-6
- Jingsj CID
- J-18764-4
- Molecular Formula
- C6H16O2Si
- Molecular Weight
- 148.275 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -97°C |
|---|---|
| Boiling Point | 114.0±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 11.7±0.0 °C |
| Exact Mass | 148.091949 |
| PSA | 18.46000 |
| LogP | 0.61 |
| Vapor Pressure | 24.0±0.2 mmHg at 25°C |
| Refractive Index | 1.393 |
| Additional Property | may decompose |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
Frequently Asked Questions
What is the CAS number of Diethoxydimethylsilane?
The CAS number of Diethoxydimethylsilane is 78-62-6.
What are the molecular formula and molecular weight of Diethoxydimethylsilane?
Diethoxydimethylsilane has molecular formula C6H16O2Si and molecular weight 148.275 g/mol.
Is Diethoxydimethylsilane hazardous?
Diethoxydimethylsilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Diethoxydimethylsilane?
For Diethoxydimethylsilane, Upstream Products: Dichlorodimethylsilane, Ethanol, Dimethylethoxysilane; Downstream Products: Tetradecamethylcycloheptasiloxane, Tetradecamethylhexasiloxane, Octamethyltrisiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethoxydimethylsilane (CAS 78-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18764-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.