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Chemical structure of Hexachlorodisilane (HCDS) | 13465-77-5
CAS: 13465-77-5
SKU: S2121
Hexachlorodisilane (HCDS) | SKU: S2121
Request Quote — S2121

Specifications

Melting Point'-1°C
ColorColorless
Assay Percent Range98-100%
Linear FormulaSi2Cl6
Quantity5g
IUPAC NameHexachlorodisilane
Formula Weight268.97 g/mol
percent purity≥98.0% (T)
Physical Form98-100%
Chemical Name or MaterialLiquid
UN Number2987

Applications

No Application Found

Product Description

83497

Hexachlorodisilane (Si2Cl6) is a colourless, volatile liquid used to manufacture semiconductors, optical fibres, and silicone rubber. Despite its widespread use, Hexachlorodisilane is only well-known in specialised industries. In this blog post, we will explore the properties, uses, and safety considerations of Hexachlorodisilane.

Properties of Hexachlorodisilane

Hexachlorodisilane is a compound composed of two silicon atoms and six chlorine atoms, with a molecular weight of 265.88 g/mol. It has a boiling point of 147°C and a density of 1.48 g/cm³. As a highly reactive substance, it can decompose spontaneously in the presence of water, making it challenging to handle.

Uses of Hexachlorodisilane

Hexachlorodisilane has many uses across different industries, including:

  1. Manufacturing of Semiconductors: Hexachlorodisilane is a key precursor in the manufacturing of semiconductors. It is used in chemical vapor deposition (CVD) processes to deposit thin layers of silicon on substrates, which are then used to create microchips, solar cells, and other electronic components.
  2. Production of Optical Fibers: Hexachlorodisilane is used to produce optical fibres. It is a source of silicon for the fabrication of high-purity silica glass, which is then drawn into thin fibres for telecommunications and other applications.
  3. Production of Silicone Rubber: Hexachlorodisilane is used as a precursor in the production of silicone rubber. It is reacted with water to produce polydimethylsiloxane (PDMS), which is then cured to form silicone rubber. Silicone rubber is used in a wide range of applications, including automotive, aerospace, and medical industries.

Safety Considerations

Due to its highly reactive nature, hexachlorodisilane (HCDS) requires careful handling. It should only be handled by trained professionals who are familiar with its properties and hazards. It is also toxic and can cause skin and eye irritation, as well as respiratory problems if inhaled. Therefore, appropriate personal protective equipment such as gloves, goggles, and respirators should be worn when working with hexachlorodisilane. It should only be used in well-ventilated areas, and spills should be cleaned up immediately using appropriate procedures.

Safety Information

No Safety Information Available.

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FAQs: Hexachlorodisilane (HCDS)

The hexachloride formula guarantees a stable molecular structure, allowing HCDS chemicals to operate as a trustworthy precursor in producing silanes and silicones, which are required for applications in electronics and speciality coatings.

Because of the reactivity of the hexachloride formula, it is critical to keep the HCDS chemical in controlled conditions, use protective equipment, and maintain enough ventilation to reduce the hazards of exposure or reaction.

The HCDS chemical's hexachloride formula guarantees uniform deposition and outstanding purity, making it essential in the manufacture of semiconductor wafers, where accuracy and material integrity are vital.

The HCDS chemical's specialised hexachloride formula benefits the microelectronics, photovoltaics, and advanced material synthesis industries, allowing for greater performance and precision.

Hexachlorodisilane serves as a high-purity silicon precursor in advanced thin-film deposition techniques, enabling precise and efficient chemical vapor deposition (CVD) of silicon-based layers critical for semiconductor manufacturing.