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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information

Density (decamethyltetrasiloxane): 0.8536 g/cm3 at 20°C (Handbooks)

Key value for chemical safety assessment

Additional information

Three reliable density data are available for decamethyltetrasiloxane. A density value of 0.8536 g/cm3 at 20°C was reported for the substance in handbooks or collection of reliable data which have been subject to peer review and in which the original sources are traceable. The result is considered reliable and used as weight of evidence. In other secondary sources to which reliability could not be assigned, relative density of 0.854 at 20°C and specific gravity of 0.854 at 25°C were reported for the substance.