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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

14.1 g/L at 20°C and pH = 5.4.

Key value for chemical safety assessment

Additional information

The water solubility of MIBK was measured in a study of Klimisch-1 reliability by Mollandin (2010), using the flask method. The study, conducted in compliance with the OECD Guidelines for the Testing of Chemicals No. 105 and in accordance with Good Laboratory Practices (GLP), reports a water solubility value of 14.1 g/L for MIBK at 20°C and a pH of 5.4. Information regarding water solubility of MIBK also was sourced from CRC Handbook of Chemistry and Physics (81st Ed.), known to contain peer-reviewed data of Klimisch-2 reliability, which reports that MIBK is “slightly soluble” in water. However, no numerical value for concentration or information on solution temperature or pH was reported.