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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

The measured water solubility of BBP is 2.69 mg/L at 25°C. The interpretation of this result is that BBP is slightly soluble.

Key value for chemical safety assessment

Water solubility:
2.69 mg/L
at the temperature of:
25 °C

Additional information

The measured value for this endpoint was obtained from the key study of Howard et al, 1985. The peer-reviewed handbook of Yalkowsky and He, 2003, (which cites a value of 2.7 mg/L) forms our second key study for this endpoint. These values are supported by two further studies. The results from all four sources are consistent with each other and mean that BBP should be considered to be slightly soluble.