... 4,manufacturer ITEM: Beta Naphthol1,Cas NO.: 135-19-32,HS Code: 29071510 3,Brand: Baoxiang4,Capacity: 20000mt/y5,Application: intermediate for ... , inner PE outer PPSPECIFICATIONItemExcellent gradeMeasured ValueappereanceGray and white flake,dark yellow while storingFirst melting point (°C) ≥120.0121.0Beta-naphthol content ...