Methoxytrimethylsilane
Also known as: Trimethylmethoxysilane, Methyl trimethylsilyl ether, TMSOME, Methoxy(trimethyl)silane, (CH3)3SiOCH3, Me3SiOMe, Trimethyl Methoxysilane
Methoxytrimethylsilane (CAS 1825-61-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H12OSi and a molecular weight of 104.223 g/mol. Key properties include a boiling point of 57.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -30.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1825-61-2
- Jingsj CID
- J-1523469-2
- Molecular Formula
- C4H12OSi
- Molecular Weight
- 104.223 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 57.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | -30.6±0.0 °C |
| Exact Mass | 104.065742 |
| PSA | 9.23000 |
| LogP | 1.62 |
| Vapor Pressure | 230.3±0.1 mmHg at 25°C |
| Refractive Index | 1.372 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methoxytrimethylsilane?
The CAS number of Methoxytrimethylsilane is 1825-61-2.
What are the molecular formula and molecular weight of Methoxytrimethylsilane?
Methoxytrimethylsilane has molecular formula C4H12OSi and molecular weight 104.223 g/mol.
Is Methoxytrimethylsilane hazardous?
Methoxytrimethylsilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Methoxytrimethylsilane?
For Methoxytrimethylsilane, Upstream Products: Chlorotrimethylsilane, Benzaldehyde dimethyl acetal, 1,1-Dimethoxycyclohexane; Downstream Products: Methyl dichlorophosphite, Hexamethyldisiloxane, Sodium methoxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methoxytrimethylsilane (CAS 1825-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523469-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.