Bitter Masking Pharmaceutical Liquid flavors

Monopropylene glycol (also known as 1,2-propanediol or MPG) is a clear, colorless, and odorless liquid organic compound with the molecular formula C3H8O2. It is a type of glycol, which is a class of organic compounds containing two hydroxyl (-OH) groups. Monopropylene glycol is widely used as a solvent, humectant, and viscosity modifier in various industries such as food, pharmaceuticals, cosmetics, and personal care products. It is also commonly used as an ingredient in e-liquids for electronic cigarettes.

Solvent naphtha is a term used to describe a group of hydrocarbon solvents that are commonly derived from petroleum. These solvents are typically used in industrial processes such as cleaning, degreasing, and as a diluent in the production of paints, coatings, and adhesives. Solvent naphtha can vary in composition, but it generally refers to a mixture of straight-chain and branched-chain hydrocarbons with boiling points in the range of 130°C to 230°C. The exact composition and properties of solvent naphtha can vary depending on the source of the petroleum from which it is derived and the specific refining processes used to produce it