Methyltriethoxysilane
Synonym(s):Methyltriethoxysilane;Methyltriethoxysilane, MTES;Triethoxymethylsilane
- CAS NO.：2031-67-6
- Empirical Formula: C7H18O3Si
- Molecular Weight: 178.3
- MDL number: MFCD00009066
- EINECS: 217-983-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:18:47
What is Methyltriethoxysilane?
Chemical properties
Colorless clear liquid
The Uses of Methyltriethoxysilane
Methyltriethoxysilane is used in production of silicone polymers or silicone resin. It is used in non-metal surface treatment, non-aqueous polymer preparation, manufacture of semi-conductors, coatings and sealants. It finds application as cross linking agent and an adhesion promoter.
Flammability and Explosibility
Flammable
Properties of Methyltriethoxysilane
| Melting point: | <-40°C |
| Boiling point: | 141-143 °C(lit.) |
| Density | 0.895 g/mL at 25 °C(lit.) |
| vapor density | >1 (vs air) |
| vapor pressure | 11 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 75 °F |
| storage temp. | Store at <= 20°C. |
| form | liquid |
| color | colorless |
| Specific Gravity | 0.896 |
| Water Solubility | INSOLUBLE |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1742453 |
| Dielectric constant | 3.8500000000000001 |
| Stability: | Moisture-sensitive. Flammable - note low flash point. Incompatible with acids, oxidizing agents, moisture, water. |
| CAS DataBase Reference | 2031-67-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Silane, triethoxymethyl-(2031-67-6) |
| EPA Substance Registry System | Triethoxymethylsilane (2031-67-6) |
Safety information for Methyltriethoxysilane
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H226:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
Computed Descriptors for Methyltriethoxysilane
| InChIKey | CPUDPFPXCZDNGI-UHFFFAOYSA-N |
Methyltriethoxysilane manufacturer
Triveni Interchem Private Limited (Group Of Triveni Chemicals)
Gujarat
product: 98% Triethoxymethylsilane, Drum
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