A7662612
Triethoxymethylsilane , 98% , 2031-67-6
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
Update time: 2022-07-08
PRODUCT Properties
| 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 |
| Specific Gravity | 0.896 |
| color | colorless |
| 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. |
| InChIKey | CPUDPFPXCZDNGI-UHFFFAOYSA-N |
| LogP | -2.4-2.2 |
Description and Uses
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.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Warning |
| Hazard statements | H226 |
| Precautionary statements | P210 |
| Risk Statements | 10 |
| Safety Statements | 16 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | VV4640000 |
| F | 10-21 |
| Autoignition Temperature | 220 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29310095 |
| Toxicity | LD50 orally in Rabbit: 15700 mg/kg |
