We put titanium dissopropoxide bis (acetylacetonate) in a freezing section for 1 day. Now the chemical is crystallized and segregated with the solvent. It won't go to a mixed state by itself. What do we do to recover the chemical?
Dear Mikhail,
thank you for sharing this interesting chemical problem with the RG community. Commercially available titanium-disopropoxide-bis(acetylacetonate) normally comes as a 75% solution in iso-propanol. Chances are that in your case the compound just crystallized out of the solution upon standing over night in the freezer. Thus I think that slight warming of the bottle in hot water (ca. 40-50 °C) will leed to re-dissolution of the compound and formation of a clear solution again. If it does not dissolve again, this could be an indication the moisture has been sucked in and some hydrolysis has taken place.
Good luck with your work
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