Substance profile
(3-Aminopropyl)triethoxysilane
(3-Aminopropyl)triethoxysilane is a liquid.
01 · Identification
What (3-Aminopropyl)triethoxysilane is
(3-Aminopropyl)triethoxysilane is a liquid. Its molecular formula is C9H23NO3Si and its molecular weight is 221.37 g/mol. It boils at 217 °C, melts at -70 °C.
Under the GHS it carries the signal word Danger.
Other names for (3-Aminopropyl)triethoxysilane
- 3-aminopropyltriethoxysilane
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 |
|---|---|
| H302 | Harmful if swallowed. |
| H314 | Causes severe skin burns and eye damage. |
Precautionary statements: P260, P270, P280, P301, P310, P312, P330, P331
03 · Physical and chemical properties
(3-Aminopropyl)triethoxysilane 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 | 217 °C (422.6 °F) | HSDB | |
| 217 °C (422.6 °F) | at 760 mmHg | DOE PAC | |
| Melting point | -70 °C (-94 °F) | HSDB | |
| Density | 0.9506 g/cm³ | at 20 °C | HSDB |
| 0.94 g/cm³ | at 25 °C | HSDB | |
| 1.01 g/cm³ | at 25 °C | DOE PAC | |
| Vapor pressure | 0.05 mmHg | at 20 °C | DOE PAC |
| 24.752 mmHg | at 121 °C | HSDB | |
| 0.01 mmHg | Haz-Map | ||
| Flash point | 98 °C (208.4 °F) | closed cup | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling (3-Aminopropyl)triethoxysilane
Storage conditions
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Moisture sensitive. Store under inert gas.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Materials to avoid: Strong oxidizing agents, acids.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check (3-Aminopropyl)triethoxys… in the storage compatibility matrix →