(3-Glycidyloxypropyl)triethoxysilane
Synonym(s):3-(2,3-Epoxypropyloxy)propyltriethoxysilane;GPTES
- CAS NO.：2602-34-8
- Empirical Formula: C12H26O5Si
- Molecular Weight: 278.42
- MDL number: MFCD01311705
- EINECS: 220-011-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:42
What is (3-Glycidyloxypropyl)triethoxysilane?
Chemical properties
Colorless clear liquid.
The Uses of (3-Glycidyloxypropyl)triethoxysilane
(3-Glycidyloxypropyl)triethoxysilane (GPTES) can be used as a reagent in the synthesis of: ????????
- Polymer nanocomposite membranes for direct methanol fuel cells (DMFCs).???????
- Azido terminated poly(ethylene glycol) silane that can be self-assembled on a metal-oxide surface to facilitate the orthogonal biofunctionalization.??????
- Epoxy functionalized silsesquioxane nanoparticles (SQ-NPs).
- Epoxy-functionalized mesoporous cellular foams (G-MCFs) as the support for the immobilization of penicillin G acylase (PGA).
GPTES can also be used as a precursor to prepare water-repellent, self-cleaning coatings.
Flammability and Explosibility
Not classified
Properties of (3-Glycidyloxypropyl)triethoxysilane
| Melting point: | <-50°C |
| Boiling point: | 270°C |
| Density | 1.004 g/mL at 20 °C (lit.) |
| vapor pressure | 0.07Pa at 25℃ |
| refractive index | n |
| Flash point: | 125°C |
| storage temp. | Hygroscopic, Refrigerator, under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Oil |
| color | Clear Colourless |
| Specific Gravity | 1.00 |
| Water Solubility | 3.3g/L at 20℃ |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 144145 |
| CAS DataBase Reference | 2602-34-8(CAS DataBase Reference) |
| EPA Substance Registry System | Oxirane, 2-[[3-(triethoxysilyl)propoxy]methyl]- (2602-34-8) |
Safety information for (3-Glycidyloxypropyl)triethoxysilane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (3-Glycidyloxypropyl)triethoxysilane
| InChIKey | JXUKBNICSRJFAP-UHFFFAOYSA-N |
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