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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint is waived, substance hydrolyzes rapidly and SADT is 0 oC.

The water solubility of the test item has been determined at 12.0 ± 0.5 °C. Results of the evaluation, including an assessment of the influence of loading rate, are summarized in the following table. The test item demonstrated loading rate dependent solubility characteristics, attributed at least partially to partitioning behaviour between the aqueous solution and the second phase presented by excess, undissolved test item within saturated solutions.

Nominal initial test item
loading rate

Water solubility(g/Lat 12 °C)

Bisisopropyl peroxydicarbonate
(CAS No. 105-64-6)

Isopropyl sec-butyl peroxydicarbonate
(CAS No. 78350-78-4)

Bis-sec-butyl peroxydicarbonate
(CAS No. 19910-65-7)


7.55 x 10-3

1.37 x 10-2

5.26 x 10-3


2.65 x 10-2

3.24 x 10-2

8.69 x 10-3

Key value for chemical safety assessment

Additional information