1,8-Dimethylnaphthalene (1,8-DMN) is an organic compound with the formula . It is one of the ten isomers of dimethylnaphthalene. Methylated naphthalenes are typically obtained from coal tar. The concentration of 1,8-dimethylnaphthalene have attracted interest as markers of the age of a petroleum. 1,8-Dimethylnaphthalene isomerizes to 1,7-dimethylnaphthalene when heated near 360 °C in the presence of clays.
References