... COA 4.supply Free sample 1. Baili offered Lowet price of Technical naphthalene,Industrial naphthalene,crude Naphthalene 1).China larger supplier 2). ... ItemValueAppearancewhite crystalSolidifying point ºC≥77.5Purity %≥95 5.2 Usage : Used as material for Phthalic Anhydride, Dye, Resin, α-Naphthenic Acid, ... filler and water reducer. 5.3 Cautions: 5.3.1 Used in well airy places; 5.3.2 Handled with safety ...