... samples 5.ISO,SGS,COA,MSDS 1.Description :Industrial Naphthalene is white, reddish or yellowish flake crystallization. ... refined naphthalene , dye intermediate and synthetic resin etc..Industrial naphthalene Molecular formula:C10H8Molecular weight:CAS NO.: 128.1791 ... producing phthalic anhydride and additive of concrete Top grade Industrial naphthalene flakes,crude naphthalene,technical naphthalene,