Naphthalene Molecular Formula: C10H8 CAS NO. : 91-20-3 EINECS: 202-049-5 UN: UN 1334 4.1/PG 3 Main application: 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: Appearance: White crystal flake Purity: >99% Refractive index: 1.5821 Flashing point: 174 °F Vapor pressure: 0.03mm Hg ( 25 °C) Storage condition: The warehouse is ventilated at low temperature and stored separately from oxidants and acids. Melting point: 80-82 °C(lit.) Density: 0.99 Water solubility: 30 mg/L (25 ºC) Boiling point: 218 °C (lit.)