Banana water, also known as Tianna water, is a paint thinner; is a colorless transparent volatile liquid, has a strong banana odor, slightly soluble in water, soluble in a variety of organic solvents, flammable, mainly used as a solvent for oil-based paints, spray paints and other solvents and diluents. In the production process of many chemical products, paints and adhesives, banana water is also used as a solvent. Nowadays, banana water is not a common name for a single chemical, but a mixture of organic solvents.