How is Dibutyl phthalate(DBP) produced? Is it toxic?

Dibutyl phthalate(DBP) is an odorless and colorless to faint yellow oily liquid, it is used in making flexible plastics that are found in a variety of consumer products. In addition, it is used in the making of adhesives, dyes, lacquers, personal care products, cosmetics, and more. Dibutyl phthalate is produced by the reaction of n-butanol with phthalic anhydride. It appears to have relatively low acute (short-term) and chronic (long-term) toxicity. The largest source of exposure to dibutyl phthalate is from food, possibly fish and seafood; levels in fish ranged from 78 to 200 parts per billion (ppb).

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