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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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boiling point
Data waiving:
study technically not feasible
Justification for data waiving:

Description of key information

No boiling point was determined as results of a SADT (self acceleratingdecomposition temperature) with the test substance 2,5-dimethyl-2,5-di(tert-butylperoxy)-3-hexyne (DYBP) performed according to UN-Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria (UN-Test H.4), showed that DYBP start to decompose at > 80 °C (before the boiling point is reached).

Key value for chemical safety assessment

Additional information