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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Viscosity [dodecamethylcyclohexasiloxane]: 5.6 mm²/s (QSAR)

Key value for chemical safety assessment

5.6 mm²/s (static)
at the temperature of:
20 °C

Additional information

A predicted kinematic viscosity value of 5.6 mm2/s at 20°C was determined for the substance using a validated QSAR estimation method. The result is considered to be reliable and selected as key study.

In a secondary source to which reliability could not be assigned, a static viscosity value of 7.7 cS (7.7 mm²/s) at 20°C was reported for the substance.