Buy Isopropanol from a trusted distributor. Isopropanol or isopropyl alcohol (IPA) is a clear, colorless, volatile material with a mild odor and a relatively low toxicity compared to alternate solvents. These characteristics allow its use for a variety of applications. IPA is miscible in water, alcohol, and most organic solvents. It will dissolve substances such as cellulose; natural resins; oils and gums; alkaloids.