Chemical formula is C₁₀H₁₄ molecular weight 134. 21 grams. This chemical is highly flammable and easily ignited by heat, sparks or flames. It is also less dense than water and insoluble in water and is a colorless liquid. This chemical is an aromatic hydrocarbon used in hydrocarbon fuels. In combustion processes it contributes to the formation of mutagenic and carcinogenic compounds such as benzo(a)pyrene.