Dichlorosilane

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Dichlorosilane
IUPAC name Dichlorosilane
Other names DCS
Identifiers
CAS number [4109-96-0]
PubChem 61330
SMILES ClSiCl
Properties
Molecular formula H2Cl2Si
Molar mass 101.007 g/mol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Dichlorosilane (H2SiCl2), or DCS as it is commonly known, is usually mixed with ammonia (NH3) in LPCVD chambers to grow silicon nitride in semiconductor processing.

A higher concentration of DCS:NH3 (ie 16:1), usually results in lower stress nitride films.


[edit] External Links

Safety data for dichlorosilane from the Chemistry Department at Oxford University.