Trimethoxysilane
三甲氧基硅烷
Also known as: Trimethoxysilane, Silane, trimethoxy-, HSi(OCH3)3, MFCD00008340, Trimethoxysilyl hydride
- CAS No.
- 2487-90-3
- Jingsj CID
- J-47491-5
- Molecular Formula
- C3H10O3Si
- Chinese Name
- 三甲氧基硅烷
- Molecular Weight
- 122.195 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | −115 °C(lit.) |
|---|---|
| Boiling Point | 81.0±0.0 °C at 760 mmHg |
| Density | 0.96 g/mL at 25 °C(lit.) |
| Flash Point | -20.7±18.7 °C |
GHS Safety & Compliance
Flammable / Acute ToxicitySignal word: Danger
Frequently Asked Questions
What is the CAS number of Trimethoxysilane?
2487-90-3
What are the molecular formula and molecular weight of Trimethoxysilane?
C3H10O3Si, molecular weight 122.195 g/mol
Is Trimethoxysilane hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026