Dipropylene Glycol (DPG)

Definition - What does Dipropylene Glycol (DPG) mean?

Dipropylene Glycol is a high purity compound that contains three isomeric chemical compounds, 4-oxa-2, 6-heptandiol, 2-(2-hydroxy-propoxy)-propan-1-ol, and 2-(2-hydroxy-1-methyl-ethoxy)-propan-1-ol. It is odorless and non-toxic in nature thus regular exposures do not have any adverse effects on health when used up to 5%. Moreover, it is not volatile and is present in extremely low percentage in the atmosphere. It is produced as the byproduct of a chemical called propylene glycol. The United States is the largest manufacturer of Dipropylene Glycol by 131 million pounds. It is used in plasticizers, unsaturated polyester resins, cosmetics, and fragrances.

Petropedia explains Dipropylene Glycol (DPG)

Dipropylene Glycol (DPG) is miscible in water thus it offers excellent co-solvency in hydrocarbons, water, and oil. It is particularly designed for odor-sensitive applications like fragrance. Moreover, it is used as an intermediate in diverse chemical reactions used in various industries. In chemical processes, it acts as an initiator, monomer as well as a solvent. Apart from being an essential additive for fragrances, it is used in different hair and skin products. Some other uses of DPG are:

  • It is used as an ingredient in commercial fog fluid
  • It is used in fog machines in entertainment industry
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