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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Administrative data

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Description of key information

According to the measure made at MLPC, boiling point of ETU (imidazolidine-2-thione) can not be measured since a decomposition occurred at about 240°C

Key value for chemical safety assessment

Additional information

According to the databank "PhysProp", the boiling point of ETU (imidazolidine-2-thione) is about 347°C. No indication of the purity is given.

As a consequence, another measure was made at MLPC : the conclusion was different. The boiling point of ETU can no be measured- decomposition occurred at about 240°C.