Mid chrome Yellow

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.