Dichloromethylsilane
Pharmaceutical Materials 2025-03-02
CAS Number: 75-54-7
Molecular Formula: CH4Cl2Si
Molecular Weight: 115.03 g/mol
Appearance: Colorless to pale yellow liquid
Boiling Point: 41 °C
Melting Point: -93 °C
Density: 1.105 g/mL at 25 °C
Usage: Mainly used in the production of hydrogen-containing silicone oil, methyl vinyl monomer, and aminosilane.
| Attribute | Details |
|---|---|
| Name | Dichloromethylsilane |
| CAS Number | 75-79-6 |
| Molecular Formula | CH3SiCl2 |
| Molecular Weight | 107.00 g/mol |
| Appearance | Colorless liquid with a pungent odor |
| Physical Properties | |
| – Density | 1.177 g/mL at 25 °C |
| – Boiling Point | 56.1 °C (133 °F) |
| – Melting Point | -96 °C (-141 °F) |
| – Refractive Index | 1.416 (at 20 °C) |
| – Vapor Pressure | 20.2 kPa (at 20 °C) |
| Solubility | Soluble in organic solvents such as ether, benzene, and toluene; insoluble in water. |
| Chemical Properties | Reacts with water to produce hydrochloric acid and silanol. Can undergo hydrolysis, substitution, and addition reactions. |
| Uses | Used in the synthesis of silicon compounds, as a silylating agent in organic synthesis, and as a precursor in the production of silicon-based materials. |
| Hazard Information | Highly flammable liquid and vapor. May cause severe skin and eye irritation. Harmful if swallowed or inhaled. |
| Precautions | Keep away from heat, sparks, and open flames. Use explosion-proof electrical equipment and grounding. Wear protective clothing, gloves, and goggles. |
| First Aid Measures | In case of skin or eye contact, rinse thoroughly with water and seek medical attention. If swallowed, do not induce vomiting; seek medical attention immediately. |
| Storage Conditions | Store in a cool, dry, well-ventilated place. Keep away from heat, ignition sources, and incompatible materials. |
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