Eastman™ Isobutyric Acid ((CH3)2CHCOOH) is a colorless, medium boiling liquid. Esters of isobutyric acid are used as solvents for various applications where desirable odors and flavor characteristics are important. The potassium salt of isobutyric acid is effective as a solubility promoter in the caustic extraction of mercaptans from sour petroleum stocks.
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