Hexachlorodisilane/HCDS
- Synonym: Perchlorodisilane
- CAS Number: 13465-77-5
- EC Number: 236-704-1
| Product Code | GC-003 |
| CAS Number | 13465-77-5 |
| Assay (purity) | 99.8% |
| Purity Method | by GC |
| Molecular Weight | 268.88 g/mol |
| Form | gas |
| Appearance | colorless |
| Sensitivity | |
| Melting Point | −1 °C |
| Molecular Formula | Si2Cl6 |
| Linear Formula |
Gaschem manufactures and sells this product in small and bulk volumes. Gas cylinder, tonner, Stainless steel drums, ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing contact us at info@gaschem.pro
Safety Information
| Signal Word | Danger |
| Pictograms |
|
| Hazard Statements | H227, H314, H318, H335 |
| Precautionary Statements | P280 ,P210, P260, P264, P271P301+P330+P331,P303+P361+P353,P304+P340,P370+P378,P403+P233,P403+P235,P405, P501 |
| UN | 2987 |
| Transport Description | Chlorosilanes, corrosive, n.o.s. (hexachlorodisilane) |
| Hazardous Class | 8 |
| Packing Group | II |
| In TSCA Registry | Yes |
Certificates of Analysis (CoA)
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External Identifiers
| Pubchem CID | |
| SMILES | [Si]([Si](Cl)(Cl)Cl)(Cl)(Cl)Cl |
| IUPAC Name | Hexachlorodisilane |
| InchI Identifier | InChI=1S/Cl6Si2/c1-7(2,3)8(4,5)6 |
| InchI Key | LXEXBJXDGVGRAR-UHFFFAOYSA-N |
Other Customers Often Ask:
Some key properties of Hexachlorodisilane
- Stability: It’s relatively stable under inert conditions (air or nitrogen) at high temperatures (up to 400°C).
- Reactivity: It readily decomposes in the presence of Lewis bases, even at room temperature, forming dodecachloroneopentasilane and silicon tetrachloride.
- Chemical Equation: 4 Si₂Cl₆ → 3 SiCl₄ + Si₅Cl₁₂
- Applications:
- Semiconductor Industry: This decomposition reaction is crucial for producing silicon-based components used in semiconductors, including those found in photovoltaic cells (solar panels).
- Deoxygenation Reactions: Hexachlorodisilane acts as a reagent for deoxygenating various compounds, such as phosphine oxides. This involves removing oxygen from the compound.
In summary: Hexachlorodisilane is a valuable compound with both stability and reactivity, making it useful in various applications, particularly in the semiconductor and chemical industries.
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