The propylene glycol used for organic synthesis, as a solvent, dehydrating agent, plasticizer, antifreeze agent, gas chromatography fixing liquid.
In the food industry, 1, 2-propylene glycol and fatty acid reaction to produce propylene glycol fatty acid ester, mainly used as food emulsifier;
1, 2-propylene glycol in the pharmaceutical industry is often used to manufacture all kinds of ointments, ointments solvent, softener and excipient, in the pharmaceutical industry as a mixture, preservatives, ointments, vitamins, penicillin and other solvents. Because propylene glycol and all kinds of spices have good mutual solubility, so it is also used as a cosmetic solvent and softener and so on.
