What is Tetrachlorosilane CAS 10026-04-7?
Tetrachlorosilane CAS 10026-04-7 is a colorless, volatile, fuming liquid with a pungent suffocating odor, industrially manufactured by chlorination of silicon metal, ferrosilicon, or silicon carbide, and widely utilized as a precursor for high-purity silicon production and synthesis of silicon-based chemicals.
Specification
| Item |
Value |
| Appearance |
colorless liquid |
| Melting Point |
−70 °C(lit.) |
| Boiling Point |
57.6 °C(lit.) |
| Density |
1.483 g/mL at 25 °C(lit.) |
| Fp |
57.6°C |
| pH |
1 (5g/l, H2O) |
| Storage Condition |
Store below +30°C. |
Feature
- Chlorosilane: Inorganic compound belonging to the chlorosilane family.
- Fuming Liquid: Releases fumes upon contact with moist air.
- Moisture Sensitive: Reacts violently and rapidly with water or humidity.
- Volatile Nature: Low boiling point for easy distillation and purification.
- High Reactivity: Serves as a versatile chlorinating and silicon-donating agent.
- Industrial Precursor: Produced in large volumes as a byproduct or dedicated intermediate.
Application
- High-Purity Silicon: Intermediate for polysilicon used in semiconductors and solar photovoltaic cells.
- Fumed Silica: Raw material for manufacturing fumed silica and related silica products.
- Optical Fibers: Precursor for synthetic quartz glass and optical fiber preforms.
- Organosilicon Synthesis: Starting material for silicones, silanes, and other organosilicon compounds.
- Smoke Screens: Historically used in military for producing smoke screens.
- Electronics & Chemicals: Applied in chemical analysis, coupling agents, and production of ethyl silicate.
Packaging
Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.