Question: what are xylenes describe the preparation and properties?
Answer: It is one of the three isomers of dimethylbenzene. ... Commercially obtained Xylene is a colourless, flammable, nonviscous, toxic liquid. It does not dissolve in water but is miscible with various organic liquids. At an industrial level xylenes are synthesized by the process of methylation of benzene and toluene.