Ethoxytrimethylsilane
Pharmaceutical Materials 2025-03-02
CAS Number: 1825-62-3
Molecular Formula: C5H14OSi
Molecular Weight: 118.25
Appearance: Liquid
Melting Point: -83°C
Boiling Point: 75-76°C
Usage: It is widely used in organic synthesis and as a chemical reagent.
| Attribute | Details |
|---|---|
| Chemical Name | Ethoxytrimethylsilane |
| Synonyms | Trimethylsilylethyl ether; Ethoxy(trimethyl)silane; TMS-ethyl ether; (Trimethylsilyl)ethyl ether; etc. |
| CAS Number | 1825-57-4 |
| Molecular Formula | C5H14OSi |
| Molecular Weight | 118.24 g/mol |
| Appearance | Colorless to slightly yellow liquid |
| Density | 0.768 g/mL at 25°C |
| Boiling Point | 93-94°C (760 mmHg) |
| Flash Point | -14°C (closed cup) |
| Refractive Index | 1.387-1.389 (20°C) |
| Solubility | Miscible with ethers, esters, ketones, and aromatic hydrocarbons. Slightly soluble in aliphatic hydrocarbons. Insoluble in water. |
| Chemical Properties | Reactive silane. Undergoes hydrolysis to form trimethylsilanol and ethanol. Can be used as a protecting group for hydroxyl functionalities in organic synthesis. |
| Applications | Used as a silylating agent in organic synthesis. Acts as a precursor for the preparation of silicas and other silicon-based materials. Employed in the modification of surfaces and polymers to impart hydrophobic properties. |
| Safety Precautions | Highly flammable. Keep away from heat, sparks, and open flames. Wear suitable protective clothing, gloves, and eye protection. Use in a well-ventilated area. Store in a cool, dry place, away from oxidizing agents and incompatible materials. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention if necessary. |
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