Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flash point

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Administrative data

Link to relevant study record(s)

Description of key information

The flash point of 1,1-dimethylheptanethiol is expected to fall in the range of 70 to 128°C based on read across from octane-1-thiol (70°C), dodecane-1-thiol (128°C) and tert-dodecanethiol (95°C).

Key value for chemical safety assessment

Flash point at 101 325 Pa:
95 °C

Additional information

The flash point of 1,1-dimethylheptanethiol has been read across from octane-1-thiol, dodecane-1-thiol and tert-dodecanethiol. The flash points for all of these substances were determined in closed-cup equilibrium studies following EC method A9 (Atwal 2012, Harlan 2012 and Tremain 2010 respectively). All studies are considered reliable and suitable for use for this endpoint.