1,2-pentanediol application

1,2-pentanediol is a linear diol having significant polarity and non-polarity such that it has properties different from other diols. This special charge distribution explains its unique characteristics and versatility. 1,2-pentanediol is widely used all over the world. In addition to being a fungicide propiconazole intermediate and cosmetic formula, it is also an important raw material for the production of polyester fibers, surfactants, and pharmaceuticals.

There are two main processes for 1,2-pentanediol: one is obtained by using valeric acid as a raw material, and brominated to obtain α-bromo-n-valeric acid, which is hydrolyzed to obtain α-hydroxyvaleric acid, which is obtained by hydrogenation reduction. , 2 - pentanediol. Another kind of n-pentene is used as a raw material, and an oxidizing agent system such as formic acid/hydrogen peroxide or peroxypropionic acid is used to oxidize n-pentene to epoxypentane; and under alkaline conditions, it is hydrolyzed to obtain 1,2-pentanediol. 

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