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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Link to relevant study record(s)

Description of key information

TBHP was confirmed to be very soluble in water (>691000 mg/l at STP)

Key value for chemical safety assessment

Water solubility:
691 000 mg/L
at the temperature of:
20 °C

Additional information

Absence of undissolved TBHP in the most concentrated aqueous product available was confirmed by use of the Tyndall beam effect.