Pharmaceutical Ingredients

Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its antioxidant properties.[7] BHT is widely used to prevent free radical-mediated oxidation in fluids (e.g. fuels, oils) and other materials, and the regulations overseen by the U.S. F.D.A.—which considers BHT to be "generally recognized as safe"—allow small amounts to be added to foods.

USP-Grade Propylene Glycol is a synthetic, odorless, and colorless liquid widely used in pharmaceutical formulations. It acts primarily as a solvent, humectant, and preservative, making it essential in various dosage forms like oral liquids, injectables, topical creams, and gels. Its ability to dissolve active ingredients, retain moisture, and stabilize formulations helps enhance the efficacy, stability, and shelf life of medications. Additionally, its non-toxic and generally recognized as safe (GRAS) status allows it to be used in oral and topical pharmaceutical products without adverse effects.

Polypropylene Glycol USP/EP (PPG) is a non-volatile, non-corrosive organic polymer suitable for industrial and pharmaceutical applications.

Butylated hydroxyanisole (BHA) is a synthetic, waxy, solid petrochemical. Its antioxidant properties have caused it to be widely used as a preservative in food, food packaging, animal feed, cosmetics, pharmaceuticals, rubber, and petroleum products.