Propylparaben has been used as an antimicrobial preservative in the food, cosmetic, and pharmaceutical industries for over 50 years. The chemical formula for propylparaben sodium is NaC10H12O3, it is the sodium salt of propylparaben.
Propylparaben is easily absorbed through the gastrointestinal tract and skin, and metabolites are rapidly excreted in the urine. It does not appear to accumulate in the body. It is on the FDA generally regarded as safe list.