Triethoxyoctylsilane
Synonym(s):n-Octyltriethoxysilane;Octyltriethoxysilane;Triethoxyoctylsilane
- CAS NO.：2943-75-1
- Empirical Formula: C14H32O3Si
- Molecular Weight: 276.49
- MDL number: MFCD00039883
- EINECS: 220-941-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is Triethoxyoctylsilane?
Chemical properties
Colorless transparent liquid
The Uses of Triethoxyoctylsilane
Triethoxy(octyl)silane is a hydrophobization agent used to limit coalescence in solid-stabilized emulsions.
Definition
ChEBI: Octyltriethoxysilane is an organosilicon compound.
General Description
Triethoxy(octyl)silane (TEOS) is an alkoxide organosilane with four ethyl ester sidechains. It is used as a self-assembled monolayer and provides a hydrophobic coating with low surface energy. The water contact angle is in the range of 150-170°.
Properties of Triethoxyoctylsilane
| Melting point: | <-40°C |
| Boiling point: | 84-85 °C0.5 mm Hg(lit.) |
| Density | 0.88 g/mL at 25 °C(lit.) |
| vapor pressure | 0.1 hPa (20 °C) |
| refractive index | n |
| Flash point: | 210 °F |
| storage temp. | Store below +30°C. |
| solubility | Acetonitrile (Slightly), Chloroform (Slightly) |
| form | liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.875 |
| Water Solubility | reacts |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| Sensitive | Moisture Sensitive |
| BRN | 2325287 |
| CAS DataBase Reference | 2943-75-1(CAS DataBase Reference) |
| NIST Chemistry Reference | N-Octyltriethoxysilane(2943-75-1) |
| EPA Substance Registry System | Triethoxyoctylsilane (2943-75-1) |
Safety information for Triethoxyoctylsilane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. |
Computed Descriptors for Triethoxyoctylsilane
| InChIKey | MSRJTTSHWYDFIU-UHFFFAOYSA-N |
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