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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The viscosity of ethanethiol is 0.000287 Pa.s at 25˚C.

Key value for chemical safety assessment

0.287 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

The key result, with a reported dynamic viscosity value of 0.287 mPa.s, has been taken from Lide (2009). No information on the primary source of these data or the methods used is available. However, this information is taken from a peer-reviewed handbook and can be considered reliable and suitable for use as the key study for this endpoint.