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Physical & Chemical properties

Water solubility

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Description of key information

14.1 g/L at 20°C and pH = 5.4.

Key value for chemical safety assessment

Water solubility:
14.1 g/L
at the temperature of:
20 °C

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 (interpreted as a qualitative statement of “very soluble”) 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.