Intruduction of 1,2-propanediol
Propylene glycol is a constructed aqueous actuality that absorbs water. Propylene glycol is aswell acclimated to accomplish polyester compounds, and as a abject for deicing solutions.Propylene glycol is acclimated by the chemical, food, and biologic industries as an antifreeze if arising ability advance to acquaintance with food. The Aliment and Drug Administration (FDA) has classified propylene glycol as an accretion that is “generally accustomed as safe” for use in food. It is acclimated to blot added baptize and advance damp in assertive medicines, cosmetics, or aliment products.
It is a bread-and-butter for aliment colors and flavors, and in the acrylic and plastics industries. Propylene glycol is aswell acclimated to actualize bogus smoke or fog acclimated in fire-fighting training and in affected productions. Other names for propylene glycol are 1,2-dihydroxypropane, 1,2-propanediol, methyl glycol, and trimethyl glycol. Propylene glycol is clear, colorless, hardly dank aqueous at allowance temperature. It may abide in air in the breath form, although propylene glycol have to be acrimonious or agilely annoyed to aftermath a vapor. Propylene glycol is about odorless and tasteless.