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HS Code |
348115 |
| Chemicalname | Dichlorosilane |
| Chemicalformula | SiH2Cl2 |
| Casnumber | 4109-96-0 |
| Molarmass | 101.01 g/mol |
| Appearance | Colorless gas |
| Meltingpoint | -122 °C |
| Boilingpoint | 8.3 °C |
| Density | 1.17 g/cm³ (at 0 °C) |
| Solubilityinwater | Reacts violently |
| Vaporpressure | 1460 mmHg (at 20 °C) |
| Odor | Pungent, irritating |
| Flammability | Flammable |
| Unnumber | 2189 |
As an accredited Dichlorosilane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dichlorosilane is supplied in a 47-liter high-pressure steel cylinder, fitted with secure valve, labeled with hazard and handling information. |
| Shipping | Dichlorosilane should be shipped in tightly sealed, corrosion-resistant cylinders or containers, under inert gas, and clearly labeled as hazardous. It must be transported per regulations for toxic, flammable gases (UN 2189), avoiding heat, moisture, and incompatible materials. Emergency procedures and appropriate protective equipment must be in place during handling and transit. |
| Storage | Dichlorosilane should be stored in tightly sealed, corrosion-resistant containers, away from moisture, heat, and incompatible materials such as oxidizers. The storage area must be well-ventilated and equipped with proper fire suppression, as dichlorosilane is highly flammable and reacts violently with water. Store in a cool, dry location, and ensure containers are clearly labeled and regularly checked for leaks. |
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Purity 99.999%: Dichlorosilane with purity 99.999% is used in semiconductor epitaxial silicon film deposition, where it enables high-purity crystal layer growth with minimal contamination. Stability temperature 25°C: Dichlorosilane with a stability temperature of 25°C is used in integrated circuit manufacturing, where it ensures stable and controlled precursor delivery for uniform film formation. Low moisture content (<10 ppm): Dichlorosilane with low moisture content (<10 ppm) is used in chemical vapor deposition processes, where it prevents unwanted oxide formation and improves device yield. Gas phase reactivity: Dichlorosilane with high gas phase reactivity is used in polysilicon production for photovoltaic applications, where it increases deposition rate and optimizes material efficiency. Molecular weight 101.01 g/mol: Dichlorosilane with molecular weight 101.01 g/mol is used in fiber optic preform fabrication, where predictable diffusion and reaction kinetics result in precise dopant incorporation. Boiling point 8.3°C: Dichlorosilane with a boiling point of 8.3°C is used in plasma-enhanced CVD reactors, where efficient vaporization ensures uniform distribution within the reaction chamber. High decomposition efficiency: Dichlorosilane with high decomposition efficiency is used in amorphous silicon thin film processing, where it promotes faster film growth and reduced process times. Ultra-high purity grade: Dichlorosilane with ultra-high purity grade is used in MEMS device fabrication, where it minimizes trace impurities and enhances surface quality. Low metal impurity (<1 ppb): Dichlorosilane with low metal impurity (<1 ppb) is used in advanced CMOS transistor gate stack formation, where it prevents electrical leakage and device degradation. High storage stability: Dichlorosilane with high storage stability is used in large-scale silicon wafer manufacturing, where consistent gas composition ensures reproducible film properties. |
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