Differences in the use of medical grade propylene glycol and chemical grade propylene glycol

Degree is different, industrial grade raw materials in the impurities, medical grade degree is usually above.The properties are basically the same as glycerol, but the viscosity, toxicity and irritation are smaller than glycerol. The mixture of propylene glycol and water in a certain proportion can delay the hydrolysis of some drugs, and the increased degree of propylene glycol can also be used as a penetration promoter of drug absorption through the skin or mucous membrane.

Main efficacy and action of medical grade propylene glycol

Propylene glycol is an organic compound, chemical formula C3H8O2, miscible with water, ethanol and a variety of organic solvents. Normal for colorless viscous liquid, almost tasteless, smell slightly sweet. Propylene glycol can be used as a raw material for unsaturated polyester resins and as a wetting agent in cosmetics, toothpaste and soap in combination with glycerin or sorbitol. In hair dye used as moistening, hair leveling agent, also used as antifreeze, also used in cellophane, plasticizer and pharmaceutical industry.