BVV™ Toluene ACS Reagent Grade 99.9% - 15 GallonsToluene ACS Reagent Grade 99. 9% 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