Substance profile
Vinyltrimethoxysilane
Vinyltrimethoxysilane is a chemical substance with the molecular formula C5H12O3Si.
01 · Identification
What Vinyltrimethoxysilane is
Vinyltrimethoxysilane is a chemical substance with the molecular formula C5H12O3Si. Its molecular formula is C5H12O3Si and its molecular weight is 148.23 g/mol. It boils at 123 °C, melts at -97 °C.
Under the GHS it carries the signal word Warning.
Other names for Vinyltrimethoxysilane
- trimethoxyvinylsilane
- trimethoxy(vinyl)silane
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H317 | May cause an allergic skin reaction. |
03 · Physical and chemical properties
Vinyltrimethoxysilane properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 123 °C (253.4 °F) | at 760 mmHg | DOE PAC |
| 123 °C (253.4 °F) | at 759.813 mmHg | Pertti | |
| Melting point | -97 °C (-142.6 °F) | Pertti | |
| Density | 1.13 g/cm³ | at 25 °C | DOE PAC |
| 0.94 g/cm³ | Pertti | ||
| Solubility | Water Solubility: 1,000,000 mg/L at 20°C (modeled data). | at 20 °C | Pertti |
| Vapor pressure | 8.9257 mmHg | at 20 °C | Pertti |
| Flash point | 25.5 °C (77.9 °F) | Pertti | |
| Autoignition temperature | 224 °C (435.2 °F) | Pertti |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.