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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Data waiving:
other justification
Justification for data waiving:
other:

Description of key information

The endpoint is waived: The melting point of 1,1,4,4-tetramethylbutane-1,4-diyl bis(2-ethylperoxyhexanoate) is below -20 ° C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-30 °C

Additional information

See 13052-09-0, Melting point/freezing point, Reijnen, 1987, RS .

The freezing point of 1,1,4,4-tetramethylbutane-1,4-diyl bis(2-ethylperoxyhexanoate) is -30°C.

According to ECHA Guidance on information requirements and chemical safety assessment. Chapter R.7a: Endpoint specific guidance p 47: The study need not be conducted below a lower limit of -20 ° C.