Hexachlorodisilane

CAS 13465-77-5(SiCl3)2Micro / NanoElectronics

Hexachlorodisilane (CAS: 13465-77-5), with the linear formula (SiCl3)2 and a molecular weight of 268.89 g/mol, is a key organosilicon compound. It is a colourless liquid characterised by its reactivity, particularly with water. Hexachlorodisilane is primarily employed in materials science and micro/nanoelectronics for the synthesis of specialised silicon-containing materials and as a precursor in surface modification techniques.

IUPAC: 1,1,1,2,2,2-Hexachlorodisilane,Disilicon hexachloride,HCDS
Synonyms: 1,1,1,2,2,2-HexachlorodisilaneDisilicon hexachlorideHCDS

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Hexachlorodisilane ((SiCl3)2) — chemical structure, CAS 13465-77-5; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMicro/NanoElectronicsSelf-Assembly MaterialsSilanesTrichlorosilanes More...

01 /Applications

Materials Science Precursor

Hexachlorodisilane serves as a valuable precursor in the synthesis of advanced silicon-based materials. Its unique structure allows for the incorporation of silicon into complex molecular architectures for various material applications.

Micro/Nanoelectronics Fabrication

In the microelectronics industry, this compound is utilised in fabrication processes requiring precise deposition or modification of silicon-containing layers. It plays a role in the development of semiconductor devices and nanostructures.

Surface Modification and Self-Assembly

Hexachlorodisilane is instrumental in surface functionalisation, particularly in self-assembly processes. It enables the creation of specific surface properties for applications like contact printing and the development of self-assembled monolayers.

Silane Coupling Agent Intermediate

As a highly reactive silane, it acts as an intermediate in the production of silane coupling agents and adhesion promoters, enhancing the compatibility between organic and inorganic materials.

02 /Properties

Molecular weight	268.89
Linear formula	(SiCl3)2
Assay	96%
Boiling point	144-145.5 °C(lit.)
Density	1.562 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.475(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)	UN 2987 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	14-34
Safety statements (S)	26-36/37/39-45
Supplemental hazards	Reacts violently with water.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

13465-77-5

MDL number

MFCD00011599

PubChem substance

24852311

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Hexachlorodisilane used for?

Hexachlorodisilane is used as a precursor in materials science, for micro/nanoelectronics fabrication, surface modification, self-assembly processes, and as an intermediate for silane coupling agents.

What is the CAS number and formula for Hexachlorodisilane?

The CAS number for Hexachlorodisilane is 13465-77-5, and its linear formula is (SiCl3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Hexachlorodisilane with an assay of 96%. We do not represent this product as USP, BP, or EP grade.

What are the main safety hazards associated with Hexachlorodisilane?

Hexachlorodisilane is a Danger GHS hazard, labelled with H314, indicating it causes severe skin burns and eye damage. It reacts violently with water, necessitating careful handling with appropriate personal protective equipment, including gloves, goggles, and respiratory protection.

How is Hexachlorodisilane packed, shipped, and exported?

Hexachlorodisilane is packed and shipped according to UN 2987 8 / PGII regulations. Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals.