BVV™ Toluene Lab Grade, 99.8% Purity - 15 GallonsToluene Lab Grade 99. 8% Purity Toluene, also called methylbenzene is a colorless liquid with a flash point 40 F. It is Less dense than water (7. 2 lb gal) and insoluble in water. Hence floats on water. This is an aromatic hydrocarbon that has a smell you would associate with paint thinners. It is a naturally occurring hydrocarbon found in crude oil. Toluene is volatile, flammable, and evaporates quickly. Toluene is the simplest member of the class