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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

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Description of key information

Density dichlorosilane: 4.1 kg/m3 at 25°C (calculated based on the ideal gas laws); 4.129 g/l = 4.129 kg/m3 (Handbook data)

Key value for chemical safety assessment

Additional information

In accordance with Column 2 of REACH Annex VII, the density study does not need to be conducted as the substance is a gas.

The density of dichlorosilane is 4.1 kg/m3 at 25°C calculated based on the Ideal Gas Laws. A density of 4.129 4.1 kg/m3 is reported in a handbook that has been subject to peer-review and in which the data sources are traceable (Haynes 2010 CRC Handbook, p 4-87).