Naphthalene is the most important condensed cyclic hydrocarbon in the industry, mainly used in the production of phthalic anhydride, various naphthols, naphthylamine, etc.，Produce of synthetic resins, plasticizers, dye intermediates, surfactants. The raw material of Synthetic fibers, coatings, pesticides, pharmaceuticals, perfumes, raw materials for rubber additives and pesticides

Physicochemical properties：