Use: mainly used in the manufacture of phthalic acid, the fatty acid and phosphate group of dual-n-butyl type plasticizers, which are widely used in a variety of plastic and rubber products. Is organic synthesis system butyraldehyde, acid, lactic acid and butyl butylamine, such as raw materials. Or fats, drugs (such as antibiotics, hormones and vitamins) and the extraction of spices, alkyd paint additives. Also can be used as organic dyes and printing ink solvents, dewaxing agent.